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Del Corpo D, Coculo D, Greco M, De Lorenzo G, Lionetti V. Pull the fuzes: Processing protein precursors to generate apoplastic danger signals for triggering plant immunity. PLANT COMMUNICATIONS 2024:100931. [PMID: 38689495 DOI: 10.1016/j.xplc.2024.100931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 03/29/2024] [Accepted: 04/26/2024] [Indexed: 05/02/2024]
Abstract
The apoplast is one of the first cellular compartments outside the plasma membrane encountered by phytopathogenic microbes in the early stages of plant tissue invasion. Plants have developed sophisticated surveillance mechanisms to sense danger events at the cell surface and promptly activate immunity. However, a fine tuning of the activation of immune pathways is necessary to mount a robust and effective defense response. Several endogenous proteins and enzymes are synthesized as inactive precursors, and their post-translational processing has emerged as a critical mechanism for triggering alarms in the apoplast. In this review, we focus on the precursors of phytocytokines, cell wall remodeling enzymes, and proteases. The physiological events that convert inactive precursors into immunomodulatory active peptides or enzymes are described. This review also explores the functional synergies among phytocytokines, cell wall damage-associated molecular patterns, and remodeling, highlighting their roles in boosting extracellular immunity and reinforcing defenses against pests.
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Affiliation(s)
- Daniele Del Corpo
- Department of Biology and Biotechnology "Charles Darwin," Sapienza University of Rome, Rome, Italy
| | - Daniele Coculo
- Department of Biology and Biotechnology "Charles Darwin," Sapienza University of Rome, Rome, Italy
| | - Marco Greco
- Department of Biology and Biotechnology "Charles Darwin," Sapienza University of Rome, Rome, Italy
| | - Giulia De Lorenzo
- Department of Biology and Biotechnology "Charles Darwin," Sapienza University of Rome, Rome, Italy
| | - Vincenzo Lionetti
- Department of Biology and Biotechnology "Charles Darwin," Sapienza University of Rome, Rome, Italy.
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2
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Wang X, Qi F, Sun Z, Liu H, Wu Y, Wu X, Xu J, Liu H, Qin L, Wang Z, Sang S, Dong W, Huang B, Zheng Z, Zhang X. Transcriptome sequencing and expression analysis in peanut reveal the potential mechanism response to Ralstonia solanacearum infection. BMC PLANT BIOLOGY 2024; 24:207. [PMID: 38515036 PMCID: PMC10956345 DOI: 10.1186/s12870-024-04877-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 03/03/2024] [Indexed: 03/23/2024]
Abstract
BACKGROUND Bacterial wilt caused by Ralstonia solanacearum severely affects peanut (Arachis hypogaea L.) yields. The breeding of resistant cultivars is an efficient means of controlling plant diseases. Therefore, identification of resistance genes effective against bacterial wilt is a matter of urgency. The lack of a reference genome for a resistant genotype severely hinders the process of identification of resistance genes in peanut. In addition, limited information is available on disease resistance-related pathways in peanut. RESULTS Full-length transcriptome data were used to generate wilt-resistant and -susceptible transcript pools. In total, 253,869 transcripts were retained to form a reference transcriptome for RNA-sequencing data analysis. Kyoto Encyclopedia of Genes and Genomes pathway enrichment analysis of differentially expressed genes revealed the plant-pathogen interaction pathway to be the main resistance-related pathway for peanut to prevent bacterial invasion and calcium plays an important role in this pathway. Glutathione metabolism was enriched in wilt-susceptible genotypes, which would promote glutathione synthesis in the early stages of pathogen invasion. Based on our previous quantitative trait locus (QTL) mapping results, the genes arahy.V6I7WA and arahy.MXY2PU, which encode nucleotide-binding site-leucine-rich repeat receptor proteins, were indicated to be associated with resistance to bacterial wilt. CONCLUSIONS This study identified several pathways associated with resistance to bacterial wilt and identified candidate genes for bacterial wilt resistance in a major QTL region. These findings lay a foundation for investigation of the mechanism of resistance to bacterial wilt in peanut.
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Affiliation(s)
- Xiao Wang
- College of Agronomy, Shenyang Agricultural University, Shenyang, 110866, China
- The Shennong Laboratory, Institute of Crop Molecular Breeding, Henan Academy of Agricultural Sciences, National Innovation Centre for Bio-Breeding Industry, Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture, Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, 450002, China
| | - Feiyan Qi
- The Shennong Laboratory, Institute of Crop Molecular Breeding, Henan Academy of Agricultural Sciences, National Innovation Centre for Bio-Breeding Industry, Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture, Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, 450002, China
| | - Ziqi Sun
- The Shennong Laboratory, Institute of Crop Molecular Breeding, Henan Academy of Agricultural Sciences, National Innovation Centre for Bio-Breeding Industry, Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture, Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, 450002, China
| | - Hongfei Liu
- The Shennong Laboratory, Institute of Crop Molecular Breeding, Henan Academy of Agricultural Sciences, National Innovation Centre for Bio-Breeding Industry, Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture, Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, 450002, China
| | - Yue Wu
- The Shennong Laboratory, Institute of Crop Molecular Breeding, Henan Academy of Agricultural Sciences, National Innovation Centre for Bio-Breeding Industry, Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture, Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, 450002, China
| | - Xiaohui Wu
- The Shennong Laboratory, Institute of Crop Molecular Breeding, Henan Academy of Agricultural Sciences, National Innovation Centre for Bio-Breeding Industry, Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture, Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, 450002, China
| | - Jing Xu
- The Shennong Laboratory, Institute of Crop Molecular Breeding, Henan Academy of Agricultural Sciences, National Innovation Centre for Bio-Breeding Industry, Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture, Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, 450002, China
| | - Hua Liu
- The Shennong Laboratory, Institute of Crop Molecular Breeding, Henan Academy of Agricultural Sciences, National Innovation Centre for Bio-Breeding Industry, Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture, Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, 450002, China
| | - Li Qin
- The Shennong Laboratory, Institute of Crop Molecular Breeding, Henan Academy of Agricultural Sciences, National Innovation Centre for Bio-Breeding Industry, Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture, Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, 450002, China
| | - Zhenyu Wang
- Henan Academy of Agricultural Sciences, Institute of Plant Protection, Zhengzhou, 450002, China
| | - Suling Sang
- Henan Academy of Agricultural Sciences, Institute of Plant Protection, Zhengzhou, 450002, China
| | - Wenzhao Dong
- The Shennong Laboratory, Institute of Crop Molecular Breeding, Henan Academy of Agricultural Sciences, National Innovation Centre for Bio-Breeding Industry, Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture, Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, 450002, China
| | - Bingyan Huang
- The Shennong Laboratory, Institute of Crop Molecular Breeding, Henan Academy of Agricultural Sciences, National Innovation Centre for Bio-Breeding Industry, Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture, Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, 450002, China
| | - Zheng Zheng
- The Shennong Laboratory, Institute of Crop Molecular Breeding, Henan Academy of Agricultural Sciences, National Innovation Centre for Bio-Breeding Industry, Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture, Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, 450002, China.
| | - Xinyou Zhang
- College of Agronomy, Shenyang Agricultural University, Shenyang, 110866, China.
- The Shennong Laboratory, Institute of Crop Molecular Breeding, Henan Academy of Agricultural Sciences, National Innovation Centre for Bio-Breeding Industry, Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture, Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, 450002, China.
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3
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Xiao Z, Liu Z, Zhang H, Yang A, Cheng L, Liu D, Jiang C, Yu S, Yang Z, Ren M, Geng R. Transcriptomics and virus-induced gene silencing identify defence-related genes during Ralstonia solanacearum infection in resistant and susceptible tobacco. Genomics 2024; 116:110784. [PMID: 38199265 DOI: 10.1016/j.ygeno.2024.110784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 01/03/2024] [Accepted: 01/07/2024] [Indexed: 01/12/2024]
Abstract
Bacterial wilt (BW) caused by Ralstonia solanacearum is a globally prevalent bacterial soil-borne disease. In this study, transcriptome sequencing were subjected to roots after infection with the R. solanacearum in the resistant and susceptible tobacco variety. DEGs that responded to R. solanacearum infection in both resistant and susceptible tobacco contributed to pectinase and peroxidase development and were enriched in plant hormone signal transduction, signal transduction and MAPK signalling pathway KEGG terms. Core DEGs in the resistant tobacco response to R. solanacearum infection were enriched in cell wall, membrane, abscisic acid and ethylene terms. qRT-PCR indicated that Nitab4.5_0004899g0110, Nitab4.5_0004234g0080 and Nitab4.5_0001439g0050 contributed to the response to R. solanacearum infection in different resistant and susceptible tobacco. Silencing the p450 gene Nitab4.5_0001439g0050 reduced tobacco resistance to bacterial wilt. These results improve our understanding of the molecular mechanism of BW resistance in tobacco and solanaceous plants.
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Affiliation(s)
- Zhiliang Xiao
- The Key Laboratory for Tobacco Gene Resources, Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Zhengwen Liu
- The Key Laboratory for Tobacco Gene Resources, Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Huifen Zhang
- The Key Laboratory for Tobacco Gene Resources, Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Aiguo Yang
- The Key Laboratory for Tobacco Gene Resources, Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Lirui Cheng
- The Key Laboratory for Tobacco Gene Resources, Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Dan Liu
- The Key Laboratory for Tobacco Gene Resources, Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Caihong Jiang
- The Key Laboratory for Tobacco Gene Resources, Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Shizhou Yu
- Molecular Genetics Key Laboratory of China Tobacco, Guizhou Academy of Tobacco Science, Guiyang, China
| | - Zhixiao Yang
- Molecular Genetics Key Laboratory of China Tobacco, Guizhou Academy of Tobacco Science, Guiyang, China
| | - Min Ren
- The Key Laboratory for Tobacco Gene Resources, Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China.
| | - Ruimei Geng
- The Key Laboratory for Tobacco Gene Resources, Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China.
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4
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Kumar D, Kirti PB. The genus Arachis: an excellent resource for studies on differential gene expression for stress tolerance. FRONTIERS IN PLANT SCIENCE 2023; 14:1275854. [PMID: 38023864 PMCID: PMC10646159 DOI: 10.3389/fpls.2023.1275854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 10/18/2023] [Indexed: 12/01/2023]
Abstract
Peanut Arachis hypogaea is a segmental allotetraploid in the section Arachis of the genus Arachis along with the Section Rhizomataceae. Section Arachis has several diploid species along with Arachis hypogaea and A. monticola. The section Rhizomataceae comprises polyploid species. Several species in the genus are highly tolerant to biotic and abiotic stresses and provide excellent sets of genotypes for studies on differential gene expression. Though there were several studies in this direction, more studies are needed to identify more and more gene combinations. Next generation RNA-seq based differential gene expression study is a powerful tool to identify the genes and regulatory pathways involved in stress tolerance. Transcriptomic and proteomic study of peanut plants under biotic stresses reveals a number of differentially expressed genes such as R genes (NBS-LRR, LRR-RLK, protein kinases, MAP kinases), pathogenesis related proteins (PR1, PR2, PR5, PR10) and defense related genes (defensin, F-box, glutathione S-transferase) that are the most consistently expressed genes throughout the studies reported so far. In most of the studies on biotic stress induction, the differentially expressed genes involved in the process with enriched pathways showed plant-pathogen interactions, phenylpropanoid biosynthesis, defense and signal transduction. Differential gene expression studies in response to abiotic stresses, reported the most commonly expressed genes are transcription factors (MYB, WRKY, NAC, bZIP, bHLH, AP2/ERF), LEA proteins, chitinase, aquaporins, F-box, cytochrome p450 and ROS scavenging enzymes. These differentially expressed genes are in enriched pathways of transcription regulation, starch and sucrose metabolism, signal transduction and biosynthesis of unsaturated fatty acids. These identified differentially expressed genes provide a better understanding of the resistance/tolerance mechanism, and the genes for manipulating biotic and abiotic stress tolerance in peanut and other crop plants. There are a number of differentially expressed genes during biotic and abiotic stresses were successfully characterized in peanut or model plants (tobacco or Arabidopsis) by genetic manipulation to develop stress tolerance plants, which have been detailed out in this review and more concerted studies are needed to identify more and more gene/gene combinations.
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Affiliation(s)
- Dilip Kumar
- Department of Microbial Genetics and Gene Expression, Institute of Microbiology of the Czech Academy of Sciences, Prague, Czechia
| | - Pulugurtha Bharadwaja Kirti
- Agri Biotech Foundation, Professor Jayashankar Telangana State (PJTS) Agricultural University, Hyderabad, Telangana, India
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5
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Chen L, Torii KU. Signaling in plant development and immunity through the lens of the stomata. Curr Biol 2023; 33:R733-R742. [PMID: 37433278 DOI: 10.1016/j.cub.2023.05.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/13/2023]
Abstract
The proper development and function of stomata - turgor-driven valves for efficient gas-exchange and water control - impact plant survival and productivity. It has become apparent that various receptor kinases regulate stomatal development and immunity. Although stomatal development and immunity occur over different cellular time scales, their signaling components and regulatory modules are strikingly similar, and often shared. In this review, we survey the current knowledge of stomatal development and immunity signaling components, and provide a synthesis and perspectives on the key concepts to further understand the conservation and specificity of these two signaling pathways.
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Affiliation(s)
- Liangliang Chen
- Howard Hughes Medical Institute and Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX 78712, USA
| | - Keiko U Torii
- Howard Hughes Medical Institute and Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX 78712, USA.
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6
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Liu S, Lei J, Zhang J, Liu H, Ye Z, Yang J, Lu Q, Liu P, Chen J, Yang J. Genome-wide identification and analysis of wheat LRR-RLK family genes following Chinese wheat mosaic virus infection. FRONTIERS IN PLANT SCIENCE 2023; 13:1109845. [PMID: 36733595 PMCID: PMC9887201 DOI: 10.3389/fpls.2022.1109845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 12/28/2022] [Indexed: 06/18/2023]
Abstract
BACKGROUND As the largest plant receptor-like protein kinase (RLK) superfamily, the 21 leucine-rich repeat receptor-like kinases (LRR-RLKs) family are involved in plant 22 growth, development, and stress responses. However, the functions of LRR-RLKs in 23 wheat immunity remain unknown. RESULTS In the current study, 929 LRR-RLKs were identified in Triticum aestivum 25 genome database using the BLAST and hidden Markov models (HMM) approach and 26 divided into 14 clades. Chromosomal localization and synteny analysis revealed that 27 TaLRR-RLKs were randomly distributed on all chromosomes with 921 collinear 28 events. Through the cis-acting elements analysis, we observed that TaLRR-RLKs 29 participated in hormone response, light response, development, metabolism, and 30 response to environmental stress. The transcript level of 14 random selected 31 TaLRR-RLKs from each subfamily was regulated by plant hormone treatment and 32 Chinese wheat mosaic virus (CWMV) infection. The function of TaLRR-RLKs in 33 wheat resistance to CWMV infection was further investigated by virus-induced gene 34 silencing assay. Additionally, the accumulation of MeJA response genes, as well as 35 CWMV RNA were not changed in the TaLRR-RLK silencing plants under MeJA 36 treatment. CONCLUSIONS Our results demonstrated that TaLRR-RLKs play an important role in 38 wheat resistance to viral infection via hormone signals and lay the groundwork for the 39 functional study of TaLRR-RLKs in wheat.
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Affiliation(s)
- Shuang Liu
- College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Plant Virology, Ningbo University, Ningbo, China
- Key Laboratory of Biotechnology in Plant Protection of MARA and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo, China
| | - Jiajia Lei
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Plant Virology, Ningbo University, Ningbo, China
- Key Laboratory of Biotechnology in Plant Protection of MARA and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo, China
| | - Juan Zhang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Plant Virology, Ningbo University, Ningbo, China
- Key Laboratory of Biotechnology in Plant Protection of MARA and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo, China
| | - Hanhong Liu
- Junan County Bureau of Agriculture and Country, Linyi, China
| | - Zhuangxin Ye
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Plant Virology, Ningbo University, Ningbo, China
- Key Laboratory of Biotechnology in Plant Protection of MARA and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo, China
| | - Jin Yang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Plant Virology, Ningbo University, Ningbo, China
- Key Laboratory of Biotechnology in Plant Protection of MARA and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo, China
| | - Qiseng Lu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Plant Virology, Ningbo University, Ningbo, China
- Key Laboratory of Biotechnology in Plant Protection of MARA and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo, China
| | - Peng Liu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Plant Virology, Ningbo University, Ningbo, China
- Key Laboratory of Biotechnology in Plant Protection of MARA and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo, China
| | - Jianping Chen
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Plant Virology, Ningbo University, Ningbo, China
- Key Laboratory of Biotechnology in Plant Protection of MARA and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo, China
| | - Jian Yang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Plant Virology, Ningbo University, Ningbo, China
- Key Laboratory of Biotechnology in Plant Protection of MARA and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo, China
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7
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Jose J, Éva C, Bozsó Z, Hamow KÁ, Fekete Z, Fábián A, Bánfalvi Z, Sági L. Global transcriptome and targeted metabolite analyses of roots reveal different defence mechanisms against Ralstonia solanacearum infection in two resistant potato cultivars. FRONTIERS IN PLANT SCIENCE 2023; 13:1065419. [PMID: 36733596 PMCID: PMC9889091 DOI: 10.3389/fpls.2022.1065419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Accepted: 12/19/2022] [Indexed: 06/18/2023]
Abstract
Ralstonia solanacearum (Rs), the causal agent of bacterial wilt disease in an unusually wide range of host plants, including potato (Solanum tuberosum), is one of the most destructive phytopathogens that seriously reduces crop yields worldwide. Identification of defence mechanisms underlying bacterial wilt resistance is a prerequisite for biotechnological approaches to resistance breeding. Resistance to Rs has been reported only in a few potato landraces and cultivars. Our in vitro inoculation bioassays confirmed that the cultivars 'Calalo Gaspar' (CG) and 'Cruza 148' (CR) are resistant to Rs infection. Comparative transcriptome analyses of CG and CR roots, as well as of the roots of an Rs-susceptible cultivar, 'Désirée' (DES), were carried out two days after Rs infection, in parallel with their respective noninfected controls. In CR and DES, the upregulation of chitin interactions and cell wall-related genes was detected. The phenylpropanoid biosynthesis and glutathione metabolism pathways were induced only in CR, as confirmed by high levels of lignification over the whole stele in CR roots six days after Rs infection. At the same time, Rs infection greatly increased the concentrations of chlorogenic acid and quercetin derivatives in CG roots as it was detected using ultra-performance liquid chromatography - tandem mass spectrometry. Characteristic increases in the expression of MAP kinase signalling pathway genes and in the concentrations of jasmonic, salicylic, abscisic and indoleacetic acid were measured in DES roots. These results indicate different Rs defence mechanisms in the two resistant potato cultivars and a different response to Rs infection in the susceptible cultivar.
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Affiliation(s)
- Jeny Jose
- Agricultural Institute, Centre for Agricultural Research, Martonvásár, Hungary
- Doctoral School of Plant Sciences, Hungarian University of Agriculture and Life Sciences, Gödöllő, Hungary
| | - Csaba Éva
- Agricultural Institute, Centre for Agricultural Research, Martonvásár, Hungary
| | - Zoltán Bozsó
- Plant Protection Institute, Centre for Agricultural Research, Budapest, Hungary
| | - Kamirán Áron Hamow
- Agricultural Institute, Centre for Agricultural Research, Martonvásár, Hungary
- Doctoral School of Plant Sciences, Hungarian University of Agriculture and Life Sciences, Gödöllő, Hungary
| | - Zsófia Fekete
- Institute of Genetics and Biotechnology, Hungarian University of Agriculture and Life Sciences, Gödöllő, Hungary
| | - Attila Fábián
- Agricultural Institute, Centre for Agricultural Research, Martonvásár, Hungary
| | - Zsófia Bánfalvi
- Institute of Genetics and Biotechnology, Hungarian University of Agriculture and Life Sciences, Gödöllő, Hungary
| | - László Sági
- Agricultural Institute, Centre for Agricultural Research, Martonvásár, Hungary
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Zhang C, Xie W, Fu H, Chen Y, Chen H, Cai T, Yang Q, Zhuang Y, Zhong X, Chen K, Gao M, Liu F, Wan Y, Pandey MK, Varshney RK, Zhuang W. Whole genome resequencing identifies candidate genes and allelic diagnostic markers for resistance to Ralstonia solanacearum infection in cultivated peanut ( Arachis hypogaea L.). FRONTIERS IN PLANT SCIENCE 2023; 13:1048168. [PMID: 36684803 PMCID: PMC9845939 DOI: 10.3389/fpls.2022.1048168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 11/22/2022] [Indexed: 06/17/2023]
Abstract
Bacterial wilt disease (BWD), caused by Ralstonia solanacearum is a major challenge for peanut production in China and significantly affects global peanut field productivity. It is imperative to identify genetic loci and putative genes controlling resistance to R. solanacearum (RRS). Therefore, a sequencing-based trait mapping approach termed "QTL-seq" was applied to a recombination inbred line population of 581 individuals from the cross of Yueyou 92 (resistant) and Xinhuixiaoli (susceptible). A total of 381,642 homozygous single nucleotide polymorphisms (SNPs) and 98,918 InDels were identified through whole genome resequencing of resistant and susceptible parents for RRS. Using QTL-seq analysis, a candidate genomic region comprising of 7.2 Mb (1.8-9.0 Mb) was identified on chromosome 12 which was found to be significantly associated with RRS based on combined Euclidean Distance (ED) and SNP-index methods. This candidate genomic region had 180 nonsynonymous SNPs and 14 InDels that affected 75 and 11 putative candidate genes, respectively. Finally, eight nucleotide binding site leucine rich repeat (NBS-LRR) putative resistant genes were identified as the important candidate genes with high confidence. Two diagnostic SNP markers were validated and revealed high phenotypic variation in the different resistant and susceptible RIL lines. These findings advocate the expediency of the QTL-seq approach for precise and rapid identification of candidate genomic regions, and the development of diagnostic markers that are applicable in breeding disease-resistant peanut varieties.
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Affiliation(s)
- Chong Zhang
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Institute of Oil Crops Research, Research Center for Genetics and Systems Biology of Leguminous Oil Plants, Fujian Agriculture and Forestry University, Fuzhou, China
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Agriculture and Forestry University, Fuzhou, China
- State Key Laboratory of Crop Biology, Shandong Key Laboratory of Crop Biology, College of Agronomy, Shandong Agricultural University, Tai’an, China
| | - Wenping Xie
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Institute of Oil Crops Research, Research Center for Genetics and Systems Biology of Leguminous Oil Plants, Fujian Agriculture and Forestry University, Fuzhou, China
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Huiwen Fu
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Institute of Oil Crops Research, Research Center for Genetics and Systems Biology of Leguminous Oil Plants, Fujian Agriculture and Forestry University, Fuzhou, China
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Yuting Chen
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Institute of Oil Crops Research, Research Center for Genetics and Systems Biology of Leguminous Oil Plants, Fujian Agriculture and Forestry University, Fuzhou, China
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Hua Chen
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Institute of Oil Crops Research, Research Center for Genetics and Systems Biology of Leguminous Oil Plants, Fujian Agriculture and Forestry University, Fuzhou, China
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Tiecheng Cai
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Institute of Oil Crops Research, Research Center for Genetics and Systems Biology of Leguminous Oil Plants, Fujian Agriculture and Forestry University, Fuzhou, China
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Qiang Yang
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Institute of Oil Crops Research, Research Center for Genetics and Systems Biology of Leguminous Oil Plants, Fujian Agriculture and Forestry University, Fuzhou, China
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Yuhui Zhuang
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Institute of Oil Crops Research, Research Center for Genetics and Systems Biology of Leguminous Oil Plants, Fujian Agriculture and Forestry University, Fuzhou, China
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Xin Zhong
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Institute of Oil Crops Research, Research Center for Genetics and Systems Biology of Leguminous Oil Plants, Fujian Agriculture and Forestry University, Fuzhou, China
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Kun Chen
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Institute of Oil Crops Research, Research Center for Genetics and Systems Biology of Leguminous Oil Plants, Fujian Agriculture and Forestry University, Fuzhou, China
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Meijia Gao
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Institute of Oil Crops Research, Research Center for Genetics and Systems Biology of Leguminous Oil Plants, Fujian Agriculture and Forestry University, Fuzhou, China
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Fengzhen Liu
- State Key Laboratory of Crop Biology, Shandong Key Laboratory of Crop Biology, College of Agronomy, Shandong Agricultural University, Tai’an, China
| | - Yongshan Wan
- State Key Laboratory of Crop Biology, Shandong Key Laboratory of Crop Biology, College of Agronomy, Shandong Agricultural University, Tai’an, China
| | - Manish K. Pandey
- Center of Excellence in Genomics and Systems Biology (CEGSB), International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Hyderabad, India
| | - Rajeev K. Varshney
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Institute of Oil Crops Research, Research Center for Genetics and Systems Biology of Leguminous Oil Plants, Fujian Agriculture and Forestry University, Fuzhou, China
- Murdoch’s Centre for Crop and Food Innovation, State Agricultural Biotechnology Centre, Food Futures Institute, Murdoch University, Murdoch, WA, Australia
| | - Weijian Zhuang
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Institute of Oil Crops Research, Research Center for Genetics and Systems Biology of Leguminous Oil Plants, Fujian Agriculture and Forestry University, Fuzhou, China
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Agriculture and Forestry University, Fuzhou, China
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9
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Jiang H, Chen Y, Liu Y, Shang J, Sun X, Du J. Multifaceted roles of the ERECTA family in plant organ morphogenesis. JOURNAL OF EXPERIMENTAL BOTANY 2022; 73:7208-7218. [PMID: 36056777 DOI: 10.1093/jxb/erac353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Accepted: 09/02/2022] [Indexed: 06/15/2023]
Abstract
Receptor-like kinases (RLKs) can participate in multiple signalling pathways and are considered one of the most critical components of the early events of intercellular signalling. As an RLK, the ERECTA family (ERf), which comprises ERECTA (ER), ERECTA-Like1 (ERL1), and ERECTA-Like2 (ERL2) in Arabidopsis, regulates multiple signalling pathways in plant growth and development. Despite its indispensability, detailed information on ERf-manipulated signalling pathways remains elusive. In this review, we attempt to summarize the essential roles of the ERf in plant organ morphogenesis, including shoot apical meristem, stem, and reproductive organ development.
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Affiliation(s)
- Hengke Jiang
- College of Agronomy, Sichuan Agricultural University, Chengdu 611130, China
- Research Center for Modern Agriculture of the Middle East, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Crop Ecophysiology and Farming System in Southwest China, Ministry of Agriculture, Sichuan Agricultural University, Chengdu 611130, China
| | - Yuhui Chen
- College of Agronomy, Sichuan Agricultural University, Chengdu 611130, China
- Research Center for Modern Agriculture of the Middle East, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Crop Ecophysiology and Farming System in Southwest China, Ministry of Agriculture, Sichuan Agricultural University, Chengdu 611130, China
| | - Yuhan Liu
- College of Agronomy, Sichuan Agricultural University, Chengdu 611130, China
- Research Center for Modern Agriculture of the Middle East, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Crop Ecophysiology and Farming System in Southwest China, Ministry of Agriculture, Sichuan Agricultural University, Chengdu 611130, China
| | - Jing Shang
- College of Agronomy, Sichuan Agricultural University, Chengdu 611130, China
- Research Center for Modern Agriculture of the Middle East, Sichuan Agricultural University, Chengdu 611130, China
| | - Xin Sun
- College of Agronomy, Sichuan Agricultural University, Chengdu 611130, China
- Research Center for Modern Agriculture of the Middle East, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Crop Ecophysiology and Farming System in Southwest China, Ministry of Agriculture, Sichuan Agricultural University, Chengdu 611130, China
| | - Junbo Du
- College of Agronomy, Sichuan Agricultural University, Chengdu 611130, China
- Research Center for Modern Agriculture of the Middle East, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Crop Ecophysiology and Farming System in Southwest China, Ministry of Agriculture, Sichuan Agricultural University, Chengdu 611130, China
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10
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Cao Y, Fan T, Zhang B, Li Y. Dissection of leucine-rich repeat receptor-like protein kinases: insight into resistance to Fusarium wilt in tung tree. PeerJ 2022; 10:e14416. [PMID: 36590451 PMCID: PMC9798904 DOI: 10.7717/peerj.14416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 10/28/2022] [Indexed: 11/21/2022] Open
Abstract
The tung tree is a woody oil plant native to China and widely distributed in the subtropics. The three main species commonly known as Vernicia are V. fordii, V. montana, and V. cordata. The growth and development of V. fordii are affected by a large number of plant pathogens, such as Fusarium wilt caused by Fusarium sp. In contrast, V. montana shows significant resistance to Fusarium wilt. The leucine-rich repeat receptor-like protein kinase (LRR-RLK) is the largest class of receptor-like kinases associated with plant resistance to Fusarium wilt. Here, we identified 239 VmLRR-RLKs in V. montana, and found that there were characteristic domains of resistance to Fusarium wilt in them. Phylogenetic analysis suggested that the VmLRR-RLKs are divided into 14 subfamilies, indicating that homologous genes in the same group may have similar functions. Chromosomal localization analysis showed that VmLRR-RLKs were unevenly distributed on chromosomes, and segment duplications were the main reason for the expansion of VmLRR-RLK family members. The transcriptome data showed that six orthologous pairs were up-regulated in V. montana in response to Fusarium wilt, while the corresponding orthologous genes showed low or no expression in V. fordii in resistance Fusarium wilt, further indicating the important role of LRR-RLKs in V. montana's resistance to infection by Fusarium spp. Our study provides important reference genes for the future use of molecular breeding to improve oil yield and control of Fusarium wilt in tung tree.
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Affiliation(s)
- Yunpeng Cao
- School of Health and Nursing, Wuchang University of Technology, Wuhan, China,School of Forestry, Central South University of Forestry and Technology, Changsha, China,Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, China
| | - Tingting Fan
- School of Forestry, Central South University of Forestry and Technology, Changsha, China
| | - Bo Zhang
- School of Forestry, Central South University of Forestry and Technology, Changsha, China
| | - Yanli Li
- School of Forestry, Central South University of Forestry and Technology, Changsha, China
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11
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Habe I, Miyatake K. Identification and characterization of resistance quantitative trait loci against bacterial wilt caused by the Ralstonia solanacearum species complex in potato. MOLECULAR BREEDING : NEW STRATEGIES IN PLANT IMPROVEMENT 2022; 42:50. [PMID: 37313419 PMCID: PMC10248640 DOI: 10.1007/s11032-022-01321-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 08/11/2022] [Indexed: 06/15/2023]
Abstract
Bacterial wilt (BW) caused by the Ralstonia solanacearum species complex (RSSC) represents one of the most serious diseases affecting potato cultivation. The development of BW-resistant cultivars represents the most efficient strategy to control this disease. The resistance-related quantitative trait loci (QTLs) in plants against different RSSC strains have not been studied extensively. Therefore, we performed QTL analysis for evaluating BW resistance using a diploid population derived from Solanum phureja, S. chacoense, and S. tuberosum. Plants cultivated in vitro were inoculated with different strains (phylotype I/biovar 3, phylotype I/biovar 4, and phylotype IV/biovar 2A) and incubated at 24 °C or 28 °C under controlled conditions. Composite interval mapping was performed for the disease indexes using a resistant parent-derived map and a susceptible parent-derived map consisting of single-nucleotide polymorphism markers. We identified five major and five minor resistance QTLs on potato chromosomes 1, 3, 5, 6, 7, 10, and 11. The major QTLs PBWR-3 and PBWR-7 conferred stable resistance against Ralstonia pseudosolanacearum (phylotype I) and Ralstonia syzygii (phylotype IV), whereas PBWR-6b was a strain-specific major resistance QTL against phylotype I/biovar 3 and was more effective at a lower temperature. Therefore, we suggest that broad-spectrum QTLs and strain-specific QTLs can be combined to develop the most effective BW-resistant cultivars for specific areas. Supplementary Information The online version contains supplementary material available at 10.1007/s11032-022-01321-9.
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Affiliation(s)
- Ippei Habe
- Nagasaki Agriculture and Forestry Technical Development Center, 3118 Kaizu, Isahaya, Nagasaki, 854-0063 Japan
| | - Koji Miyatake
- Institute of Vegetable and Floriculture Science, NARO, Kusawa 360, Mie, Tsu, 514-2392 Japan
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12
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Yang Y, Chen T, Dai X, Yang D, Wu Y, Chen H, Zheng Y, Zhi Q, Wan X, Tan X. Comparative transcriptome analysis revealed molecular mechanisms of peanut leaves responding to Ralstonia solanacearum and its type III secretion system mutant. Front Microbiol 2022; 13:998817. [PMID: 36090119 PMCID: PMC9453164 DOI: 10.3389/fmicb.2022.998817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 08/10/2022] [Indexed: 11/13/2022] Open
Abstract
Bacterial wilt caused by Ralstonia solanacearum is a serious soil-borne disease that limits peanut production and quality, but the molecular mechanisms of the peanut response to R. solanacearum remain unclear. In this study, we reported the first work analyzing the transcriptomic changes of the resistant and susceptible peanut leaves infected with R. solanacearum HA4-1 and its type III secretion system mutant strains by the cutting leaf method at different timepoints (0, 24, 36, and 72 h post inoculation). A total of 125,978 differentially expressed genes (DEGs) were identified and subsequently classified into six groups to analyze, including resistance-response genes, susceptibility-response genes, PAMPs induced resistance-response genes, PAMPs induced susceptibility-response genes, T3Es induced resistance-response genes, and T3Es induced susceptibility-response genes. KEGG enrichment analyses of these DEGs showed that plant-pathogen interaction, plant hormone signal transduction, and MAPK signaling pathway were the outstanding pathways. Further analysis revealed that CMLs/CDPKs-WRKY module, MEKK1-MKK2-MPK3 cascade, and auxin signaling played important roles in the peanut response to R. solanacearum. Upon R. solanacearum infection (RSI), three early molecular events were possibly induced in peanuts, including Ca2+ activating CMLs/CDPKs-WRKY module to regulate the expression of resistance/susceptibility-related genes, auxin signaling was induced by AUX/IAA-ARF module to activate auxin-responsive genes that contribute to susceptibility, and MEKK1-MKK2-MPK3-WRKYs was activated by phosphorylation to induce the expression of resistance/susceptibility-related genes. Our research provides new ideas and abundant data resources to elucidate the molecular mechanism of the peanut response to R. solanacearum and to further improve the bacterial wilt resistance of peanuts.
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Affiliation(s)
- Yong Yang
- Guangzhou Key Laboratory for Research and Development of Crop Germplasm Resources, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Ting Chen
- Guangzhou Key Laboratory for Research and Development of Crop Germplasm Resources, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Xiaoqiu Dai
- Guangzhou Key Laboratory for Research and Development of Crop Germplasm Resources, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Dong Yang
- Guangzhou Key Laboratory for Research and Development of Crop Germplasm Resources, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Yushuang Wu
- Guangzhou Key Laboratory for Research and Development of Crop Germplasm Resources, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Huilan Chen
- Key Laboratory of Horticultural Plant Biology (HZAU), Ministry of Education, Key Laboratory of Potato Biology and Biotechnology (HZAU), Ministry of Agriculture and Rural Affairs, Huazhong Agricultural University, Wuhan, China
| | - Yixiong Zheng
- Guangzhou Key Laboratory for Research and Development of Crop Germplasm Resources, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Qingqing Zhi
- Guangzhou Key Laboratory for Research and Development of Crop Germplasm Resources, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Xiaorong Wan
- Guangzhou Key Laboratory for Research and Development of Crop Germplasm Resources, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- *Correspondence: Xiaorong Wan,
| | - Xiaodan Tan
- Guangzhou Key Laboratory for Research and Development of Crop Germplasm Resources, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- Xiaodan Tan,
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13
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Su Y, Peng X, Shen S. Identification of leucine-rich repeat receptor-like protein kinase (LRR-RLK) genes in paper mulberry and their potential roles in response to cold stress. Comput Biol Chem 2022; 97:107622. [DOI: 10.1016/j.compbiolchem.2022.107622] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 01/02/2022] [Accepted: 01/04/2022] [Indexed: 11/03/2022]
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14
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Demirjian C, Razavi N, Desaint H, Lonjon F, Genin S, Roux F, Berthomé R, Vailleau F. Study of natural diversity in response to a key pathogenicity regulator of Ralstonia solanacearum reveals new susceptibility genes in Arabidopsis thaliana. MOLECULAR PLANT PATHOLOGY 2022; 23:321-338. [PMID: 34939305 PMCID: PMC8828461 DOI: 10.1111/mpp.13135] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 07/25/2021] [Accepted: 08/10/2021] [Indexed: 06/12/2023]
Abstract
Ralstonia solanacearum gram-negative phytopathogenic bacterium exerts its virulence through a type III secretion system (T3SS) that translocates type III effectors (T3Es) directly into the host cells. T3E secretion is finely controlled at the posttranslational level by helper proteins, T3SS control proteins, and type III chaperones. The HpaP protein, one of the type III secretion substrate specificity switch (T3S4) proteins, was previously highlighted as a virulence factor on Arabidopsis thaliana Col-0 accession. In this study, we set up a genome-wide association analysis to explore the natural diversity of response to the hpaP mutant of two A. thaliana mapping populations: a worldwide collection and a local population. Quantitative genetic variation revealed different genetic architectures in both mapping populations, with a global delayed response to the hpaP mutant compared to the GMI1000 wild-type strain. We have identified several quantitative trait loci (QTLs) associated with the hpaP mutant inoculation. The genes underlying these QTLs are involved in different and specific biological processes, some of which were demonstrated important for R. solanacearum virulence. We focused our study on four candidate genes, RKL1, IRE3, RACK1B, and PEX3, identified using the worldwide collection, and validated three of them as susceptibility factors. Our findings demonstrate that the study of the natural diversity of plant response to a R. solanacearum mutant in a key regulator of virulence is an original and powerful strategy to identify genes directly or indirectly targeted by the pathogen.
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Affiliation(s)
| | - Narjes Razavi
- LIPME, Université de ToulouseINRAECNRSCastanet‐TolosanFrance
| | - Henri Desaint
- LIPME, Université de ToulouseINRAECNRSCastanet‐TolosanFrance
- SYNGENTA SeedsSarriansFrance
| | - Fabien Lonjon
- LIPME, Université de ToulouseINRAECNRSCastanet‐TolosanFrance
- Present address:
Department of Cell & Systems BiologyUniversity of TorontoTorontoOntarioCanada
| | - Stéphane Genin
- LIPME, Université de ToulouseINRAECNRSCastanet‐TolosanFrance
| | - Fabrice Roux
- LIPME, Université de ToulouseINRAECNRSCastanet‐TolosanFrance
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15
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Wang Z, Ren H, Pang C, Lu G, Xu F, Cheng W, Que Y, Xu L. An autopolyploid-suitable polyBSA-seq strategy for screening candidate genetic markers linked to leaf blight resistance in sugarcane. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2022; 135:623-636. [PMID: 34775519 DOI: 10.1007/s00122-021-03989-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 11/01/2021] [Indexed: 06/13/2023]
Abstract
An autopolyploid-suitable polyBSA-seq strategy was developed for screening candidate genetic markers linked to leaf blight resistance in sugarcane. Due to the complex genome architecture, the quantitative trait loci mappings and linkage marker selections for agronomic traits of autopolyploid crops were mainly limited to the time-consuming and cost intensive construction of genetic maps. To map resistance-linked markers for sugarcane leaf blight (SLB) caused by Stagonospora tainanensis, the autopolyploid-suitable bulk-segregant analysis based on the sequencing (polyBSA-seq) strategy was successfully applied for the first time. Resistant- and susceptible-bulks (R- and S-bulks) constructed from the extreme-phenotypic sugarcane F1 lines of YT93-159 × ROC22 were deep sequenced with 195.0 × for bulks and 74.4 × for parents. Informative single-dose variants (ISDVs) present as one copy in one parent and null in the other parent were detected based on the genome sequence of LA Purple, an autooctoploid Saccharum officinarum, to screen candidate linkage markers (CLMs). The proportion of the number of short reads harboring ISDVs in the total short reads covering a given genomic position was defined as ISDV index and the ISDVs with indices met the threshold set in this study (0.04-0.14) were selected as CLMs. In total, three resistance- and one susceptibility-related CLMs for SLB resistance were identified by the polyBSA-seq. Among them, two markers on chromosome 10 were less than 300 Kb apart. Furthermore, the RNA-seq was used to calculate the expression level of genes within 1.0 Mb from the aforementioned four CLMs, which demonstrated that twelve genes were differentially expressed between resistant and susceptible clones, including a receptor-like kinase and an ethylene-responsive transcription factor. This is the first reported polyBSA-seq in autopolyploid sugarcane, which specifically tailored for the fast selection of the CLMs and causal genes associated with important agronomic traits.
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Affiliation(s)
- Zhoutao Wang
- Key Laboratory of Sugarcane Biology and Genetic Breeding, Ministry of Agriculture and Rural Affairs, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
- Yunnan Key Laboratory of Sugarcane Genetic Improvement, Kaiyuan, 661600, China
| | - Hui Ren
- Key Laboratory of Sugarcane Biology and Genetic Breeding, Ministry of Agriculture and Rural Affairs, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Chao Pang
- Key Laboratory of Sugarcane Biology and Genetic Breeding, Ministry of Agriculture and Rural Affairs, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Guilong Lu
- Key Laboratory of Sugarcane Biology and Genetic Breeding, Ministry of Agriculture and Rural Affairs, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Fu Xu
- Key Laboratory of Sugarcane Biology and Genetic Breeding, Ministry of Agriculture and Rural Affairs, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Wei Cheng
- Key Laboratory of Sugarcane Biology and Genetic Breeding, Ministry of Agriculture and Rural Affairs, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Youxiong Que
- Key Laboratory of Sugarcane Biology and Genetic Breeding, Ministry of Agriculture and Rural Affairs, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
| | - Liping Xu
- Key Laboratory of Sugarcane Biology and Genetic Breeding, Ministry of Agriculture and Rural Affairs, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
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16
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Stanley AE, Menkir A, Ifie B, Paterne AA, Unachukwu NN, Meseka S, Mengesha WA, Bossey B, Kwadwo O, Tongoona PB, Oladejo O, Sneller C, Gedil M. Association analysis for resistance to Striga hermonthica in diverse tropical maize inbred lines. Sci Rep 2021; 11:24193. [PMID: 34921181 PMCID: PMC8683441 DOI: 10.1038/s41598-021-03566-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 11/18/2021] [Indexed: 11/25/2022] Open
Abstract
Striga hermonthica is a widespread, destructive parasitic plant that causes substantial yield loss to maize productivity in sub-Saharan Africa. Under severe Striga infestation, yield losses can range from 60 to 100% resulting in abandonment of farmers’ lands. Diverse methods have been proposed for Striga management; however, host plant resistance is considered the most effective and affordable to small-scale famers. Thus, conducting a genome-wide association study to identify quantitative trait nucleotides controlling S. hermonthica resistance and mining of relevant candidate genes will expedite the improvement of Striga resistance breeding through marker-assisted breeding. For this study, 150 diverse maize inbred lines were evaluated under Striga infested and non-infested conditions for two years and genotyped using the genotyping-by-sequencing platform. Heritability estimates of Striga damage ratings, emerged Striga plants and grain yield, hereafter referred to as Striga resistance-related traits, were high under Striga infested condition. The mixed linear model (MLM) identified thirty SNPs associated with the three Striga resistance-related traits based on the multi-locus approaches (mrMLM, FASTmrMLM, FASTmrEMMA and pLARmEB). These SNPs explained up to 14% of the total phenotypic variation. Under non-infested condition, four SNPs were associated with grain yield, and these SNPs explained up to 17% of the total phenotypic variation. Gene annotation of significant SNPs identified candidate genes (Leucine-rich repeats, putative disease resistance protein and VQ proteins) with functions related to plant growth, development, and defense mechanisms. The marker-effect prediction was able to identify alleles responsible for predicting high yield and low Striga damage rating in the breeding panel. This study provides valuable insight for marker validation and deployment for Striga resistance breeding in maize.
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Affiliation(s)
- A E Stanley
- West Africa Centre for Crop Improvement, University of Ghana, Legon, Ghana.,International Institute of Tropical Agriculture, Ibadan, Nigeria
| | - A Menkir
- International Institute of Tropical Agriculture, Ibadan, Nigeria.
| | - B Ifie
- West Africa Centre for Crop Improvement, University of Ghana, Legon, Ghana
| | - A A Paterne
- International Institute of Tropical Agriculture, Ibadan, Nigeria
| | - N N Unachukwu
- International Institute of Tropical Agriculture, Ibadan, Nigeria
| | - S Meseka
- International Institute of Tropical Agriculture, Ibadan, Nigeria
| | - W A Mengesha
- International Institute of Tropical Agriculture, Ibadan, Nigeria
| | - B Bossey
- International Institute of Tropical Agriculture, Ibadan, Nigeria
| | - O Kwadwo
- West Africa Centre for Crop Improvement, University of Ghana, Legon, Ghana
| | - P B Tongoona
- West Africa Centre for Crop Improvement, University of Ghana, Legon, Ghana
| | - O Oladejo
- International Institute of Tropical Agriculture, Ibadan, Nigeria
| | - C Sneller
- Ohio Agriculture Research and Development Center, Ohio State University, Wooster, OH, USA
| | - M Gedil
- International Institute of Tropical Agriculture, Ibadan, Nigeria
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17
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Dong F, Wang Y, Tang M. Study on the molecular mechanism of Laccaria bicolor helping Populus trichocarpa to resist the infection of Botryosphaeria dothidea. J Appl Microbiol 2021; 132:2220-2233. [PMID: 34779092 DOI: 10.1111/jam.15359] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 10/25/2021] [Accepted: 11/04/2021] [Indexed: 11/30/2022]
Abstract
AIMS This study explored the specific molecular mechanism of Laccaria bicolor to help Populus trichocarpa resist infection by Botryosphaeria dothidea. METHODS AND RESULTS Transcriptome technology was used to sequence P. trichocarpa under disease stress, and a total of 6379 differentially expressed genes (DEGs) were identified. A total of 536 new DEGs were induced by L. bicolor during the infection of B. dothidea. L. bicolor helps to prevent and alleviate the infection of B. dothidea by regulating related genes in the cell wall pathway, signal transduction pathway, disease-resistant protein synthesis pathway and antioxidant enzyme synthesis pathway of P. trichocarpa. CONCLUSION The inoculation of L. bicolor can regulate the expression of genes in the cell wall pathway and enhance the physical defense capabilities of plants. Under disease stress conditions, L. bicolor can regulate signal transduction pathways, disease-resistant related pathways and reactive oxygen species (ROS) clearance pathways to help P. trichocarpa alleviate the disease. SIGNIFICANCE AND IMPACT OF THE STUDY The research reveals the mechanism of L. bicolor inducing resistance to canker of P. trichocarpa from the molecular level and provides a theoretical basis for the practical application of mycorrhizal fungi to improve plant disease resistance.
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Affiliation(s)
- Fengxin Dong
- College of Forestry, Northwest A&F University, Yangling, Shaanxi, China
| | - Yihan Wang
- College of Forestry, Northwest A&F University, Yangling, Shaanxi, China
| | - Ming Tang
- College of Forestry, Northwest A&F University, Yangling, Shaanxi, China.,Laboratory of Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Laboratory for Lingnan Modern Agriculture, Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou, Guangdong, China
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18
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Pereyra-Bistraín LI, Ovando-Vázquez C, Rougon-Cardoso A, Alpuche-Solís ÁG. Comparative RNA-Seq Analysis Reveals Potentially Resistance-Related Genes in Response to Bacterial Canker of Tomato. Genes (Basel) 2021; 12:genes12111745. [PMID: 34828351 PMCID: PMC8618811 DOI: 10.3390/genes12111745] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Revised: 10/22/2021] [Accepted: 10/26/2021] [Indexed: 12/13/2022] Open
Abstract
Tomato is one of the most important crops for human consumption. Its production is affected by the actinomycete Clavibacter michiganensis subsp. michiganensis (Cmm), one of the most devastating bacterial pathogens of this crop. Several wild tomato species represent a source of natural resistance to Cmm. Here, we contrasted the transcriptomes of the resistant wild tomato species Solanum arcanum LA2157 and the susceptible species Solanum lycopersicum cv. Ailsa Craig, during the first 24 h of challenge with Cmm. We used three analyses approaches which demonstrated to be complementary: mapping to S. lycopersicum reference genome SL3.0; semi de novo transcriptome assembly; and de novo transcriptome assembly. In a global context, transcriptional changes seem to be similar between both species, although there are some specific genes only upregulated in S. arcanum during Cmm interaction, suggesting that the resistance regulatory mechanism probably diverged during the domestication process. Although S. lycopersicum showed enriched functional groups related to defense, S. arcanum displayed a higher number of induced genes related to bacterial, oomycete, and fungal defense at the first few hours of interaction. This study revealed genes that may contribute to the resistance phenotype in the wild tomato species, such as those that encode for a polyphenol oxidase E, diacyl glycerol kinase, TOM1-like protein 6, and an ankyrin repeat-containing protein, among others. This work will contribute to a better understanding of the defense mechanism against Cmm, and the development of new control methods.
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Affiliation(s)
- Leonardo I. Pereyra-Bistraín
- División de Biología Molecular, Instituto Potosino de Investigación Científica y Tecnológica A.C., San Luis Potosí 78216, Mexico;
| | - Cesaré Ovando-Vázquez
- Centro Nacional de Supercómputo, Instituto Potosino de Investigación Científica y Tecnológica A.C., Consejo Nacional de Ciencia y Tecnología, San Luis Potosí 78216, Mexico;
| | - Alejandra Rougon-Cardoso
- Laboratory of Agrigenomic Sciences, Universidad Nacional Autónoma de México, ENES-León, León 37689, Mexico
- Correspondence: (A.R.-C.); (Á.G.A.-S.); Tel.: +52-(444)-834-2000 (Á.G.A.-S.)
| | - Ángel G. Alpuche-Solís
- División de Biología Molecular, Instituto Potosino de Investigación Científica y Tecnológica A.C., San Luis Potosí 78216, Mexico;
- Correspondence: (A.R.-C.); (Á.G.A.-S.); Tel.: +52-(444)-834-2000 (Á.G.A.-S.)
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Chen L, Xiao J, Song Y, Li Y, Liu J, Cai H, Wang HB, Liu B. The Zygotic Division Regulator ZAR1 Plays a Negative Role in Defense Against Botrytis cinerea in Arabidopsis. FRONTIERS IN PLANT SCIENCE 2021; 12:736560. [PMID: 34764967 PMCID: PMC8575783 DOI: 10.3389/fpls.2021.736560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Accepted: 09/29/2021] [Indexed: 06/13/2023]
Abstract
A phosphorylation/dephosphorylation cycle at tyrosine 428 of CHITIN ELICITOR RECEPTOR KINASE 1 (CERK1) plays an essential role in chitin triggered immunity in Arabidopsis thaliana. In this study, we used a differential peptide pull-down (PPD) assay to identify factors that could participate downstream of this cycle. We identified ZYGOTIC ARREST 1 (ZAR1) and showed that it interacts with CERK1 specifically when the tyrosine 428 (Y428) residue of CERK1 is dephosphorylated. ZAR1 was originally characterized as an integrator for calmodulin and G-protein signals to regulate zygotic division in Arabidopsis. Our current results established that ZAR1 also negatively contributed to defense against the fungus Botrytis cinerea and played a redundant role with its homolog ZAR2 in this process. The zar1-3 zar2-1 double mutant exhibited stronger resistance to B. cinerea compared with zar1-3 single mutant, zar2-1 single mutant, and wild-type plants. Moreover, the inducible expression of numerous defense response genes upon B. cinerea infection was increased in the zar1-3zar2-1 double mutant, consistent with a repressive role for ZAR proteins in the defense response. Therefore, our findings provided insight into the function of ZAR1 in multiple defenses and developmental regulation pathways.
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Affiliation(s)
- Lijuan Chen
- Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Jiahui Xiao
- Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Yuxiao Song
- Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - You Li
- Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Jun Liu
- Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Huiren Cai
- Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Hong-Bin Wang
- Institute of Medical Plant Physiology and Ecology, School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Bing Liu
- Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
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20
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Genome-Wide Identification of LRR-RLK Family in Saccharum and Expression Analysis in Response to Biotic and Abiotic Stress. Curr Issues Mol Biol 2021; 43:1632-1651. [PMID: 34698114 PMCID: PMC8929030 DOI: 10.3390/cimb43030116] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 10/05/2021] [Accepted: 10/07/2021] [Indexed: 12/17/2022] Open
Abstract
The leucine-rich repeat receptor-like protein kinase (LRR-RLK) gene family is the largest family of the receptor-like protein kinases (RLKs) superfamily in higher plants, which is involved in regulating the plant growth and development, stress responses, signal transduction and so on. However, no comprehensive analyses of LRR-RLKs have been reported in sugarcane. Here, we performed a comprehensive analysis of the LRR-RLK gene family in sugarcane ancestor species Saccharum spontaneum. A total of 437 LRR-RLK genes were identified and categorized into 14 groups based on a maximum likelihood phylogenetic tree. The chromosome location showed an uneven distribution on all 32 chromosomes in sugarcane. Subsequently, the exon-intron organization structure and conserved motif arrangement were relatively conserved among the same groups or subgroups and between Arabidopsis and S. spontaneum genomes. Furthermore, the promoter sequences analyses showed that sugarcane LRR-RLK genes (SsLRR-RLKs) were strongly regulated by various environmental stimuli, phytohormonal factors and transcription factors (TFs). Eventually, the expression profiles of SsLRR-RLK genes at different stresses were analyzed based on RNA-seq data, suggesting their potential roles in the regulation of sugarcane responses to diverse abiotic and biotic stress. Overall, the findings provide insight into the potential functional roles and lay the foundation for further functional study.
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Wang S, Yan W, Yang X, Zhang J, Shi Q. Comparative methylome reveals regulatory roles of DNA methylation in melon resistance to Podosphaera xanthii. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2021; 309:110954. [PMID: 34134849 DOI: 10.1016/j.plantsci.2021.110954] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Revised: 05/07/2021] [Accepted: 05/22/2021] [Indexed: 06/12/2023]
Abstract
Powdery mildew caused by Podosphaera xanthii (P. xanthii) severely endangers melon (Cucumis melo L.) production, while the mechanistic understanding about its resistance to powdery mildew remains largely limited. In this study, we integrated transcriptomic and methylomic analyses to explore whether DNA methylation was involved in modulating transcriptional acclimation of melon to P. xanthii infection. Net photosynthetic rate (Pn), stomatal conductance (Gs), actual photochemical efficiency (ФPSII) and maximum PSII quantum yield (Fv/Fm) were significantly decreased in P. xanthii-infected plants relative to uninfected ones (Control), revealing apparent physiological disorders. Totally 4808 differentially expressed genes (DEGs) were identified by global analysis of gene expression in Control and P. xanthii-infected plants. Comparative methylome uncovered that 932 DEGs were associated with hypermethylation, while 603 DEGs were associated with hypomethylation in melon upon P. xanthii infection. Among these differential methylation-involved DEGs, a set of resistance-related genes including R genes and candidate genes in metabolic and defense pathways were further identified, demonstrating that DNA methylation might function as a new regulatory layer for melon resistance to P. xanthii infection. Altogether our study sheds new insights into the molecular mechanisms of melon against powdery mildew and provides some potential targets for improving melon disease resistance in future.
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Affiliation(s)
- Shuoshuo Wang
- College of Horticultural Science and Engineering, Shandong Agricultural University, Tai'an, Shandong 271018, China.
| | - Weihao Yan
- College of Horticultural Science and Engineering, Shandong Agricultural University, Tai'an, Shandong 271018, China.
| | - Xiaoyu Yang
- State Key Laboratory of Crop Biology, Shandong Agricultural University, Tai'an, Shandong 271018, China; College of Horticultural Science and Engineering, Shandong Agricultural University, Tai'an, Shandong 271018, China.
| | - Jiayu Zhang
- College of Horticultural Science and Engineering, Shandong Agricultural University, Tai'an, Shandong 271018, China.
| | - Qinghua Shi
- State Key Laboratory of Crop Biology, Shandong Agricultural University, Tai'an, Shandong 271018, China; College of Horticultural Science and Engineering, Shandong Agricultural University, Tai'an, Shandong 271018, China.
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22
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Li H, Yang Y, Wang H, Liu S, Jia F, Su Y, Li S, He F, Feng C, Niu M, Wang J, Liu C, Yin W, Xia X. The Receptor-Like Kinase ERECTA Confers Improved Water Use Efficiency and Drought Tolerance to Poplar via Modulating Stomatal Density. Int J Mol Sci 2021; 22:ijms22147245. [PMID: 34298865 PMCID: PMC8303786 DOI: 10.3390/ijms22147245] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 06/21/2021] [Accepted: 06/28/2021] [Indexed: 12/15/2022] Open
Abstract
Poplar is one of the most important tree species in the north temperate zone, but poplar plantations are quite water intensive. We report here that CaMV 35S promoter-driven overexpression of the PdERECTA gene, which is a member of the LRR-RLKs family from Populus nigra × (Populus deltoides × Populus nigra), improves water use efficiency and enhances drought tolerance in triploid white poplar. PdERECTA localizes to the plasma membrane. Overexpression plants showed lower stomatal density and larger stomatal size. The abaxial stomatal density was 24-34% lower and the stomatal size was 12-14% larger in overexpression lines. Reduced stomatal density led to a sharp restriction of transpiration, which was about 18-35% lower than the control line, and instantaneous water use efficiency was around 14-63% higher in overexpression lines under different conditions. These phenotypic changes led to increased drought tolerance. PdERECTA overexpression plants not only survived longer after stopping watering but also performed better when supplied with limited water, as they had better physical and photosynthesis conditions, faster growth rate, and higher biomass accumulation. Taken together, our data suggest that PdERECTA can alter the development pattern of stomata to reduce stomatal density, which then restricts water consumption, conferring enhanced drought tolerance to poplar. This makes PdERECTA trees promising candidates for establishing more water use efficient plantations.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | - Xinli Xia
- Correspondence: ; Tel.: +86-010-6233-6400
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23
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Majhi BB, Sobol G, Gachie S, Sreeramulu S, Sessa G. BRASSINOSTEROID-SIGNALLING KINASES 7 and 8 associate with the FLS2 immune receptor and are required for flg22-induced PTI responses. MOLECULAR PLANT PATHOLOGY 2021; 22:786-799. [PMID: 33955635 PMCID: PMC8232025 DOI: 10.1111/mpp.13062] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Revised: 03/07/2021] [Accepted: 03/15/2021] [Indexed: 05/19/2023]
Abstract
Pattern-triggered immunity (PTI) is typically initiated in plants by recognition of pathogen- or damage-associated molecular patterns (PAMP/DAMPs) by cell surface-localized pattern recognition receptors (PRRs). Here, we investigated the role in PTI of Arabidopsis thaliana brassinosteroid-signalling kinases 7 and 8 (BSK7 and BSK8), which are members of the receptor-like cytoplasmic kinase subfamily XII. BSK7 and BSK8 localized to the plant cell periphery and interacted in yeast and in planta with FLS2, but not with other PRRs. Consistent with a role in FLS2 signalling, bsk7 and bsk8 single and bsk7,8 double mutant plants were impaired in several immune responses induced by flg22, but not by other PAMP/DAMPs. These included resistance to Pseudomonas syringae and Botrytis cinerea, reactive oxygen species accumulation, callose deposition at the cell wall, and expression of the defence-related gene PR1, but not activation of MAP kinases and expression of the FRK1 and WRKY29 genes. bsk7, bsk8, and bsk7,8 plants also displayed enhanced susceptibility to P. syringae and B. cinerea. Finally, BSK7 and BSK8 variants mutated in their myristoylation site or in the ATP-binding site failed to complement defective phenotypes of the corresponding mutants, suggesting that localization to the cell periphery and kinase activity are critical for BSK7 and BSK8 functions. Together, these findings demonstrate that BSK7 and BSK8 play a role in PTI initiated by recognition of flg22 by interacting with the FLS2 immune receptor.
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Affiliation(s)
- Bharat Bhusan Majhi
- School of Plant Sciences and Food SecurityTel‐Aviv UniversityTel‐AvivIsrael
- Present address:
Department of Chemistry, Biochemistry and PhysicsUniversité du Québec à Trois‐RivièresTrois‐RivièresQuebecCanada
| | - Guy Sobol
- School of Plant Sciences and Food SecurityTel‐Aviv UniversityTel‐AvivIsrael
| | - Sarah Gachie
- School of Plant Sciences and Food SecurityTel‐Aviv UniversityTel‐AvivIsrael
| | - Shivakumar Sreeramulu
- School of Plant Sciences and Food SecurityTel‐Aviv UniversityTel‐AvivIsrael
- Present address:
Rallis India LimitedKIADB Industrial AreaBommasandraIndia
| | - Guido Sessa
- School of Plant Sciences and Food SecurityTel‐Aviv UniversityTel‐AvivIsrael
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24
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Cao Y, Mo W, Li Y, Li W, Dong X, Liu M, Jiang L, Zhang L. Deciphering the roles of leucine-rich repeat receptor-like protein kinases (LRR-RLKs) in response to Fusarium wilt in the Vernicia fordii (Tung tree). PHYTOCHEMISTRY 2021; 185:112686. [PMID: 33582587 DOI: 10.1016/j.phytochem.2021.112686] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 01/28/2021] [Accepted: 01/29/2021] [Indexed: 05/27/2023]
Abstract
Leucine-rich repeat receptor-like protein kinases (LRR-RLKs) are vital for plant growth and development, signal transduction, immunity, and play diverse roles in plant defense responses. However, the LRR-RLK genes have not been systematically studied in Vernicia fordii (tung tree), especially its response to Fusarium wilt. Here, we carried out an integrative analysis of LRR-RLKs among five Euphorbiaceae species: Hevea brasiliensis (rubber tree), Manihot esculenta (cassava), Jatropha curcas (physic nut), Ricinus communis (castor bean), and V. fordii, which contained 223, 311, 186, 138, and 167 LRR-RLKs, respectively. Maximum-likelihood tree was estimated using LRR-RLKs of Arabidopsis thaliana as a template, and they allowed us to divide Euphorbiaceae LRR-RLKs into 22 groups. There are 126 segmental and 30 tandem duplications in these Euphorbiaceae genomes by synteny analysis. The tissue-specific expression patterns revealed that V. fordii LRR-RLKs (VfLRR-RLKs) were differentially expressed in various tissues, and some of them exhibited specific expression in meristems tissues, which suggested their potential functions during organ formation and cell fate specification. Two VfLRR-RLK pairs (Vf01G2125 and Vf03G1740, Vf06G2687 and Vf10G1659), which generated by tandem duplication events, were associated with possible resistance to Fusarium wilt infection. The qRT-PCR confirmed these four VfLRR-RLKs contained opposite expression profiles during pathogen infection in V. fordii and V. montana. Taken together, our data systematically analyzed the LRR-RLK family in Euphorbiaceae genomes for the first time. We highlight the putative roles of VfLRR-RLKs in response to Fusarium wilt infection, and VfLRR-RLKs may be further applied in marker-assisted breeding to control Fusarium wilt in V. fordii.
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Affiliation(s)
- Yunpeng Cao
- Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees, Ministry of Education, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China; Key Lab of Non-wood Forest Products of State Forestry Administration, College of Forestry, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China.
| | - Wanzhen Mo
- Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees, Ministry of Education, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China; Key Lab of Non-wood Forest Products of State Forestry Administration, College of Forestry, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China
| | - Yanli Li
- Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees, Ministry of Education, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China; Key Lab of Non-wood Forest Products of State Forestry Administration, College of Forestry, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China
| | - Wenying Li
- Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees, Ministry of Education, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China; Key Lab of Non-wood Forest Products of State Forestry Administration, College of Forestry, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China
| | - Xiang Dong
- Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees, Ministry of Education, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China; Key Lab of Non-wood Forest Products of State Forestry Administration, College of Forestry, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China
| | - Meilan Liu
- Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees, Ministry of Education, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China; Key Lab of Non-wood Forest Products of State Forestry Administration, College of Forestry, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China
| | - Lan Jiang
- Central Laboratory, Yijishan Hospital of Wannan Medical College, Wuhu, 241001, China; Key Laboratory of Non-coding RNA Transformation Research of Anhui Higher Education Institution (Wannan Medical College), Wuhu, 241001, China.
| | - Lin Zhang
- Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees, Ministry of Education, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China; Key Lab of Non-wood Forest Products of State Forestry Administration, College of Forestry, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China.
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25
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Cai H, Huang Y, Chen F, Liu L, Chai M, Zhang M, Yan M, Aslam M, He Q, Qin Y. ERECTA signaling regulates plant immune responses via chromatin-mediated promotion of WRKY33 binding to target genes. THE NEW PHYTOLOGIST 2021; 230:737-756. [PMID: 33454980 DOI: 10.1111/nph.17200] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Accepted: 01/04/2021] [Indexed: 06/12/2023]
Abstract
The signaling pathway mediated by the receptor-like kinase ERECTA (ER) plays important roles in plant immune responses, but the underlying mechanism is unclear. Genetic interactions between ER signaling and the chromatin remodeling complex SWR1 in the control of plant immune responses were studied. Electrophoretic mobility shift assay and yeast one-hybrid analysis were applied to identify ER-WRKY33 downstream components. Chromatin immunoprecipitation analyses were further investigated. In this study, we show that the chromatin remodeling complex SWR1 enhances resistance to the white mold fungus Sclerotinia sclerotiorum in Arabidopsis thaliana via a process mediated by ER signaling. We identify a series of WRKY33 target YODA DOWNSTREAM (YDD) genes and demonstrate that SWR1 and ER signaling are required to enrich H2A.Z histone variant and H3K4me3 histone modification at YDDs and the binding of WRKY33 to YDD promoters upon S. sclerotiorum infection. We also reveal that the binding of WRKY33 to YDD promoters in turn promotes the enrichment of H2A.Z and H3K4me3 at YDD genes, thereby forming a positive regulatory loop to activate YDDs expression. Our study reveals how H2A.Z, H3K4me3 and ER signaling mutually regulate YDDs gene expression upon pathogen infection, highlighting the critical role of chromatin structure in ER-signaling-mediated plant immune responses.
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Affiliation(s)
- Hanyang Cai
- College of Life Sciences, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Youmei Huang
- College of Life Sciences, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Fangqian Chen
- College of Life Sciences, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Liping Liu
- College of Life Sciences, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Mengnan Chai
- College of Life Sciences, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Man Zhang
- College of Life Sciences, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Maokai Yan
- College of Life Sciences, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Mohammad Aslam
- Guangxi Key Lab of Sugarcane Biology, State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Agriculture, Guangxi University, Nanning, 530004, China
| | - Qing He
- College of Life Sciences, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Yuan Qin
- College of Life Sciences, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
- Guangxi Key Lab of Sugarcane Biology, State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Agriculture, Guangxi University, Nanning, 530004, China
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Guo W, Chen W, Zhang Z, Guo N, Liu L, Ma Y, Dai H. The hawthorn CpLRR-RLK1 gene targeted by ACLSV-derived vsiRNA positively regulate resistance to bacteria disease. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2020; 300:110641. [PMID: 33180701 DOI: 10.1016/j.plantsci.2020.110641] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 07/23/2020] [Accepted: 08/17/2020] [Indexed: 06/11/2023]
Abstract
Virus-derived small interfering RNAs (vsiRNAs) can target not only viruses but also plant genes. Apple chlorotic leaf spot virus (ACLSV) is an RNA virus that infects Rosaceae plants extensively, including apple, pear and hawthorn. Here, we report an ACLSV-derived vsiRNA [vsiR1360(-)] that targets and down-regulates the leucine-rich repeat receptor-like kinase 1 (LRR-RLK1) gene of hawthorn (Crataegus pinnatifida). The targeting and cleavage of the CpLRR-RLK1 gene by vsiR1360(-) were validated by RNA ligase-mediated 5' rapid amplification of cDNA ends and tobacco transient transformation assays. And the CpLRR-RLK1 protein fused to green fluorescent protein localized to the cell membrane. Conserved domain and phylogenetic tree analyses showed that CpLRR-RLK1 is closely related to the proteins of the LRRII-RLK subfamily. The biological function of CpLRR-RLK1 was explored by heterologous overexpression of CpLRR-RLK1 gene in Arabidopsis. The results of inoculation of Pst DC3000 in Arabidopsis leaves showed that the symptoms of CpLRR-RLK1 overexpression plants infected with Pst DC3000 were significantly reduced compared with the wild type. In addition, the detection of reactive oxygen species and callose deposition and the expression analysis of defense-related genes showed that the CpLRR-RLK1 gene can indeed enhance the resistance of Arabidopsis to bacteria disease.
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Affiliation(s)
- Wei Guo
- College of Horticulture, Shenyang Agricultural University, 120 Dongling Road, Shenyang, Liaoning 110866, China; Analytical and Testing Center, Shenyang Agricultural University, 120 Dongling Road, Shenyang, Liaoning 110866, China
| | - Wenjun Chen
- College of Horticulture, Shenyang Agricultural University, 120 Dongling Road, Shenyang, Liaoning 110866, China
| | - Zhihong Zhang
- College of Horticulture, Shenyang Agricultural University, 120 Dongling Road, Shenyang, Liaoning 110866, China; Analytical and Testing Center, Shenyang Agricultural University, 120 Dongling Road, Shenyang, Liaoning 110866, China
| | - Nan Guo
- College of Horticulture, Shenyang Agricultural University, 120 Dongling Road, Shenyang, Liaoning 110866, China
| | - Lifu Liu
- College of Horticulture, Shenyang Agricultural University, 120 Dongling Road, Shenyang, Liaoning 110866, China
| | - Yue Ma
- College of Horticulture, Shenyang Agricultural University, 120 Dongling Road, Shenyang, Liaoning 110866, China
| | - Hongyan Dai
- College of Horticulture, Shenyang Agricultural University, 120 Dongling Road, Shenyang, Liaoning 110866, China.
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Aoun N, Desaint H, Boyrie L, Bonhomme M, Deslandes L, Berthomé R, Roux F. A complex network of additive and epistatic quantitative trait loci underlies natural variation of Arabidopsis thaliana quantitative disease resistance to Ralstonia solanacearum under heat stress. MOLECULAR PLANT PATHOLOGY 2020; 21:1405-1420. [PMID: 32914940 PMCID: PMC7548995 DOI: 10.1111/mpp.12964] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 05/18/2020] [Accepted: 05/19/2020] [Indexed: 05/04/2023]
Abstract
Plant immunity is often negatively impacted by heat stress. However, the underlying molecular mechanisms remain poorly characterized. Based on a genome-wide association mapping approach, this study aims to identify in Arabidopsis thaliana the genetic bases of robust resistance mechanisms to the devastating pathogen Ralstonia solanacearum under heat stress. A local mapping population was phenotyped against the R. solanacearum GMI1000 strain at 27 and 30 °C. To obtain a precise description of the genetic architecture underlying natural variation of quantitative disease resistance (QDR), we applied a genome-wide local score analysis. Alongside an extensive genetic variation found in this local population at both temperatures, we observed a playful dynamics of quantitative trait loci along the infection stages. In addition, a complex genetic network of interacting loci could be detected at 30 °C. As a first step to investigate the underlying molecular mechanisms, the atypical meiotic cyclin SOLO DANCERS gene was validated by a reverse genetic approach as involved in QDR to R. solanacearum at 30 °C. In the context of climate change, the complex genetic architecture underlying QDR under heat stress in a local mapping population revealed candidate genes with diverse molecular functions.
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Affiliation(s)
- Nathalie Aoun
- LIPMUniversité de ToulouseINRAECNRSCastanet‐TolosanFrance
| | - Henri Desaint
- LIPMUniversité de ToulouseINRAECNRSCastanet‐TolosanFrance
- SYNGENTA seedsSarriansFrance
| | - Léa Boyrie
- LRSVUniversité de ToulouseCNRSUniversité Paul SabatierCastanet‐TolosanFrance
| | - Maxime Bonhomme
- LRSVUniversité de ToulouseCNRSUniversité Paul SabatierCastanet‐TolosanFrance
| | | | | | - Fabrice Roux
- LIPMUniversité de ToulouseINRAECNRSCastanet‐TolosanFrance
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Zhang J, Coaker G, Zhou JM, Dong X. Plant Immune Mechanisms: From Reductionistic to Holistic Points of View. MOLECULAR PLANT 2020; 13:1358-1378. [PMID: 32916334 PMCID: PMC7541739 DOI: 10.1016/j.molp.2020.09.007] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Revised: 09/05/2020] [Accepted: 09/08/2020] [Indexed: 05/19/2023]
Abstract
After three decades of the amazing progress made on molecular studies of plant-microbe interactions (MPMI), we have begun to ask ourselves "what are the major questions still remaining?" as if the puzzle has only a few pieces missing. Such an exercise has ultimately led to the realization that we still have many more questions than answers. Therefore, it would be an impossible task for us to project a coherent "big picture" of the MPMI field in a single review. Instead, we provide our opinions on where we would like to go in our research as an invitation to the community to join us in this exploration of new MPMI frontiers.
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Affiliation(s)
- Jie Zhang
- State Key Laboratory of Plant Genomics, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China; CAS Center for Excellence in Biotic Interactions, College of Advanced Agricutural Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Gitta Coaker
- Department of Plant Pathology, University of California, One Shields Avenue, Davis, CA 95616, USA
| | - Jian-Min Zhou
- CAS Center for Excellence in Biotic Interactions, College of Advanced Agricutural Sciences, University of Chinese Academy of Sciences, Beijing 100049, China; State Key Laboratory of Plant Genomics, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China
| | - Xinnian Dong
- Howard Hughes Medical Institute, Duke University, Durham, NC 27708, USA; Department of Biology, Duke University, PO Box 90338, Durham, NC 27708, USA.
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Kawamoto N, Del Carpio DP, Hofmann A, Mizuta Y, Kurihara D, Higashiyama T, Uchida N, Torii KU, Colombo L, Groth G, Simon R. A Peptide Pair Coordinates Regular Ovule Initiation Patterns with Seed Number and Fruit Size. Curr Biol 2020; 30:4352-4361.e4. [PMID: 32916111 DOI: 10.1016/j.cub.2020.08.050] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 08/01/2020] [Accepted: 08/13/2020] [Indexed: 01/11/2023]
Abstract
Ovule development in Arabidopsis thaliana involves pattern formation, which ensures that ovules are regularly arranged in the pistils to reduce competition for nutrients and space. Mechanisms underlying pattern formation in plants, such as phyllotaxis, flower morphogenesis, or lateral root initiation, have been extensively studied, and genes controlling the initiation of ovules have been identified. However, the fundamental patterning mechanism that determines the spacing of ovule anlagen within the placenta remained unexplored. Using natural variation analysis combined with quantitative trait locus analysis, we found that the spacing of ovules in the developing gynoecium and fruits is controlled by two secreted peptides, EPFL2 and EPFL9 (also known as Stomagen), and their receptors from the ERECTA (ER) family that act from the carpel wall and the placental tissue. We found that a signaling pathway controlled by EPFL9 acting from the carpel wall through the LRR-receptor kinases ER, ERL1, and ERL2 promotes fruit growth. Regular spacing of ovules depends on EPFL2 expression in the carpel wall and in the inter-ovule spaces, where it acts through ERL1 and ERL2. Loss of EPFL2 signaling results in shorter gynoecia and fruits and irregular spacing of ovules or even ovule twinning. We propose that the EPFL2 signaling module evolved to control the initiation and regular, equidistant spacing of ovule primordia, which may serve to minimize competition between seeds or facilitate equal resource allocation. Together, EPFL2 and EPFL9 help to coordinate ovule patterning and thereby seed number with gynoecium and fruit growth through a set of shared receptors.
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Affiliation(s)
- Nozomi Kawamoto
- Institute for Developmental Genetics, Heinrich-Heine University, University Street 1, D-40225 Düsseldorf, Germany; Cluster of Excellence on Plant Sciences (CEPLAS), University Street 1, D-40225 Düsseldorf, Germany
| | - Dunia Pino Del Carpio
- Institute for Developmental Genetics, Heinrich-Heine University, University Street 1, D-40225 Düsseldorf, Germany; Agriculture Research Division, Agriculture Victoria, Level 43 Rialto South 525 Collins Street, Melbourne, VIC 3000, Australia
| | - Alexander Hofmann
- Institute of Biochemical Plant Physiology, Heinrich-Heine University, University Street 1, D-40225 Düsseldorf, Germany
| | - Yoko Mizuta
- Institute for Advanced Research (IAR), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8601, Japan; Institute of Transformative Bio-Molecules (ITbM), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8601, Japan
| | - Daisuke Kurihara
- Institute of Transformative Bio-Molecules (ITbM), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8601, Japan; JST, PRESTO, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8601, Japan
| | - Tetsuya Higashiyama
- Institute of Transformative Bio-Molecules (ITbM), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8601, Japan
| | - Naoyuki Uchida
- Institute of Transformative Bio-Molecules (ITbM), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8601, Japan
| | - Keiko U Torii
- Institute of Transformative Bio-Molecules (ITbM), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8601, Japan; Department of Biology, University of Washington, Seattle, WA 98195, USA; Howard Hughes Medical Institute and Department of Molecular Biosciences, University of Texas at Austin, Austin, TX 78712, USA
| | - Lucia Colombo
- Universita degli studi di Milano, Via Celoria 26, 20133 Milano, Italy
| | - Georg Groth
- Cluster of Excellence on Plant Sciences (CEPLAS), University Street 1, D-40225 Düsseldorf, Germany; Agriculture Research Division, Agriculture Victoria, Level 43 Rialto South 525 Collins Street, Melbourne, VIC 3000, Australia
| | - Rüdiger Simon
- Institute for Developmental Genetics, Heinrich-Heine University, University Street 1, D-40225 Düsseldorf, Germany; Cluster of Excellence on Plant Sciences (CEPLAS), University Street 1, D-40225 Düsseldorf, Germany.
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Genome-Wide Characterization, Evolution, and Expression Analysis of the Leucine-Rich Repeat Receptor-Like Protein Kinase (LRR-RLK) Gene Family in Medicago truncatula. Life (Basel) 2020; 10:life10090176. [PMID: 32899802 PMCID: PMC7555646 DOI: 10.3390/life10090176] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 08/28/2020] [Accepted: 09/02/2020] [Indexed: 11/23/2022] Open
Abstract
Leucine-rich repeat receptor-like kinases (LRR-RLKs) constitute the largest subfamily of receptor-like kinases (RLKs) in plants. They play roles in plant growth and developmental and physiological processes, but less is known about the functions of LRR-RLKs in Medicago truncatula. Our genome-wide analysis revealed 329 LRR-RLK genes in the M.truncatula genome. Phylogenetic and classification analysis suggested that these genes could be classified into 15 groups and 24 subgroups. A total of 321 genes were mapped onto all chromosomes, and 23 tandem duplications (TDs) involving 56 genes were distributed on each chromosome except 4. Twenty-seven M.truncatula LRR-RLK segmental duplication gene pairs were colinearly related. The exon/intron organization, motif composition and arrangements were relatively conserved among members of the same groups or subgroups. Using publicly available RNAseq data and quantitative real-time polymerase chain reaction (qRT-PCR), expression profiling suggested that LRR-RLKs were differentially expressed among different tissues, while some were expressed specifically in the roots and nodules. The expression of LRR-RLKs in A17 and 4 nodule mutants under rhizobial infection showed that 36 LRR-RKLs were highly upregulated in the sickle (skl) mutant [an ethylene (ET)-insensitive, Nod factor-hypersensitive mutant] after 12 h of rhizobium inoculation. Among these LRR-RLKs, six genes were also expressed specifically in the roots and nodules, which might be specific to the Nod factor and involved in autoregulation of the nodulation signal. Our results provide information on the LRR-RLK gene family in M. truncatula and serve as a guide for functional research of the LRR-RLKs.
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Luo H, Pandey MK, Khan AW, Wu B, Guo J, Ren X, Zhou X, Chen Y, Chen W, Huang L, Liu N, Lei Y, Liao B, Varshney RK, Jiang H. Next-generation sequencing identified genomic region and diagnostic markers for resistance to bacterial wilt on chromosome B02 in peanut (Arachis hypogaea L.). PLANT BIOTECHNOLOGY JOURNAL 2019; 17:2356-2369. [PMID: 31087470 PMCID: PMC6835129 DOI: 10.1111/pbi.13153] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 04/01/2019] [Accepted: 05/12/2019] [Indexed: 05/24/2023]
Abstract
Bacterial wilt, caused by Ralstonia solanacearum, is a devastating disease affecting over 350 plant species. A few peanut cultivars were found to possess stable and durable bacterial wilt resistance (BWR). Genomics-assisted breeding can accelerate the process of developing resistant cultivars by using diagnostic markers. Here, we deployed sequencing-based trait mapping approach, QTL-seq, to discover genomic regions, candidate genes and diagnostic markers for BWR in a recombination inbred line population (195 progenies) of peanut. The QTL-seq analysis identified one candidate genomic region on chromosome B02 significantly associated with BWR. Mapping of newly developed single nucleotide polymorphism (SNP) markers narrowed down the region to 2.07 Mb and confirmed its major effects and stable expressions across three environments. This candidate genomic region had 49 nonsynonymous SNPs affecting 19 putative candidate genes including seven putative resistance genes (R-genes). Two diagnostic markers were successfully validated in diverse breeding lines and cultivars and could be deployed in genomics-assisted breeding of varieties with enhanced BWR.
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Affiliation(s)
- Huaiyong Luo
- Key Laboratory of Biology and Genetic Improvement of Oil CropsMinistry of AgricultureOil Crops Research Institute of the Chinese Academy of Agricultural Sciences (CAAS)WuhanChina
| | - Manish K. Pandey
- International Crops Research Institute for the Semi‐Arid Tropics (ICRISAT)HyderabadIndia
| | - Aamir W. Khan
- International Crops Research Institute for the Semi‐Arid Tropics (ICRISAT)HyderabadIndia
| | - Bei Wu
- Key Laboratory of Biology and Genetic Improvement of Oil CropsMinistry of AgricultureOil Crops Research Institute of the Chinese Academy of Agricultural Sciences (CAAS)WuhanChina
| | - Jianbin Guo
- Key Laboratory of Biology and Genetic Improvement of Oil CropsMinistry of AgricultureOil Crops Research Institute of the Chinese Academy of Agricultural Sciences (CAAS)WuhanChina
| | - Xiaoping Ren
- Key Laboratory of Biology and Genetic Improvement of Oil CropsMinistry of AgricultureOil Crops Research Institute of the Chinese Academy of Agricultural Sciences (CAAS)WuhanChina
| | - Xiaojing Zhou
- Key Laboratory of Biology and Genetic Improvement of Oil CropsMinistry of AgricultureOil Crops Research Institute of the Chinese Academy of Agricultural Sciences (CAAS)WuhanChina
| | - Yuning Chen
- Key Laboratory of Biology and Genetic Improvement of Oil CropsMinistry of AgricultureOil Crops Research Institute of the Chinese Academy of Agricultural Sciences (CAAS)WuhanChina
| | - Weigang Chen
- Key Laboratory of Biology and Genetic Improvement of Oil CropsMinistry of AgricultureOil Crops Research Institute of the Chinese Academy of Agricultural Sciences (CAAS)WuhanChina
| | - Li Huang
- Key Laboratory of Biology and Genetic Improvement of Oil CropsMinistry of AgricultureOil Crops Research Institute of the Chinese Academy of Agricultural Sciences (CAAS)WuhanChina
| | - Nian Liu
- Key Laboratory of Biology and Genetic Improvement of Oil CropsMinistry of AgricultureOil Crops Research Institute of the Chinese Academy of Agricultural Sciences (CAAS)WuhanChina
| | - Yong Lei
- Key Laboratory of Biology and Genetic Improvement of Oil CropsMinistry of AgricultureOil Crops Research Institute of the Chinese Academy of Agricultural Sciences (CAAS)WuhanChina
| | - Boshou Liao
- Key Laboratory of Biology and Genetic Improvement of Oil CropsMinistry of AgricultureOil Crops Research Institute of the Chinese Academy of Agricultural Sciences (CAAS)WuhanChina
| | - Rajeev K. Varshney
- International Crops Research Institute for the Semi‐Arid Tropics (ICRISAT)HyderabadIndia
| | - Huifang Jiang
- Key Laboratory of Biology and Genetic Improvement of Oil CropsMinistry of AgricultureOil Crops Research Institute of the Chinese Academy of Agricultural Sciences (CAAS)WuhanChina
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Du H, Wen C, Zhang X, Xu X, Yang J, Chen B, Geng S. Identification of a Major QTL ( qRRs-10.1) That Confers Resistance to Ralstonia solanacearum in Pepper ( Capsicum annuum) Using SLAF-BSA and QTL Mapping. Int J Mol Sci 2019; 20:ijms20235887. [PMID: 31771239 PMCID: PMC6928630 DOI: 10.3390/ijms20235887] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Revised: 11/04/2019] [Accepted: 11/21/2019] [Indexed: 11/24/2022] Open
Abstract
The soilborne pathogen Ralstonia solanacearum is the causal agent of bacterial wilt (BW), a major disease of pepper (Capsicum annuum). The genetic basis of resistance to this disease in pepper is not well known. This study aimed to identify BW resistance markers in pepper. Analysis of the dynamics of bioluminescent R. solanacearum colonization in reciprocal grafts of a resistant (BVRC 1) line and a susceptible (BVRC 25) line revealed that the resistant rootstock effectively suppressed the spreading of bacteria into the scion. The two clear-cut phenotypic distributions of the disease severity index in 440 F2 plants derived from BVRC 25 × BVRC 1 indicated that a major genetic factor as well as a few minor factors that control BW resistance. By specific-locus amplified fragment sequencing combined with bulked segregant analysis, two adjacent resistance-associated regions on chromosome 10 were identified. Quantitative trait (QTL) mapping revealed that these two regions belong to a single QTL, qRRs-10.1. The marker ID10-194305124, which reached a maximum log-likelihood value at 9.79 and accounted for 19.01% of the phenotypic variation, was located the closest to the QTL peak. A cluster of five predicted R genes and three defense-related genes, which are located in close proximity to the significant markers ID10-194305124 or ID10-196208712, are important candidate genes that may confer BW resistance in pepper.
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Nanda AK, El Habti A, Hocart CH, Masle J. ERECTA receptor-kinases play a key role in the appropriate timing of seed germination under changing salinity. JOURNAL OF EXPERIMENTAL BOTANY 2019; 70:6417-6435. [PMID: 31504732 PMCID: PMC6859730 DOI: 10.1093/jxb/erz385] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Accepted: 08/15/2019] [Indexed: 05/21/2023]
Abstract
Appropriate timing of seed germination is crucial for the survival and propagation of plants, and for crop yield, especially in environments prone to salinity or drought. However, the exact mechanisms by which seeds perceive changes in soil conditions and integrate them to trigger germination remain elusive, especially once the seeds are non-dormant. In this study, we determined that the Arabidopsis ERECTA (ER), ERECTA-LIKE1 (ERL1), and ERECTA-LIKE2 (ERL2) leucine-rich-repeat receptor-like kinases regulate seed germination and its sensitivity to changes in salt and osmotic stress levels. Loss of ER alone, or in combination with ERL1 and/or ERL2, slows down the initiation of germination and its progression to completion, or arrests it altogether under saline conditions, until better conditions return. This function is maternally controlled via the tissues surrounding the embryo, with a primary role being played by the properties of the seed coat and its mucilage. These relate to both seed-coat expansion and subsequent differentiation and to salinity-dependent interactions between the mucilage, subtending seed coat layers and seed interior in the germinating seed. Salt-hypersensitive er105, er105 erl1.2, er105 erl2.1 and triple-mutant seeds also exhibit increased sensitivity to exogenous ABA during germination, and under salinity show an enhanced up-regulation of the germination repressors and inducers of dormancy ABA-insensitive-3, ABA-insensitive-5, DELLA-encoding RGL2, and Delay-Of-Germination-1. These findings reveal a novel role of the ERECTA receptor-kinases in the sensing of conditions at the seed surface and the integration of developmental, dormancy and stress signalling pathways in seeds. They also open novel avenues for the genetic improvement of plant adaptation to changing drought and salinity patterns.
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Affiliation(s)
- Amrit K Nanda
- Research School of Biology, The Australian National University, Canberra ACT, Australia
| | - Abdeljalil El Habti
- Research School of Biology, The Australian National University, Canberra ACT, Australia
| | - Charles H Hocart
- Research School of Biology, The Australian National University, Canberra ACT, Australia
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Maldonado dos Santos JV, Ferreira EGC, Passianotto ALDL, Brumer BB, Santos ABD, Soares RM, Torkamaneh D, Arias CAA, Belzile F, Abdelnoor RV, Marcelino-Guimarães FC. Association mapping of a locus that confers southern stem canker resistance in soybean and SNP marker development. BMC Genomics 2019; 20:798. [PMID: 31672122 PMCID: PMC6824049 DOI: 10.1186/s12864-019-6139-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Accepted: 09/25/2019] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND Southern stem canker (SSC), caused by Diaporthe aspalathi (E. Jansen, Castl. & Crous), is an important soybean disease that has been responsible for severe losses in the past. The main strategy for controlling this fungus involves the introgression of resistance genes. Thus far, five main loci have been associated with resistance to SSC. However, there is a lack of information about useful allelic variation at these loci. In this work, a genome-wide association study (GWAS) was performed to identify allelic variation associated with resistance against Diaporthe aspalathi and to provide molecular markers that will be useful in breeding programs. RESULTS We characterized the response to SSC infection in a panel of 295 accessions from different regions of the world, including important Brazilian elite cultivars. Using a GBS approach, the panel was genotyped, and we identified marker loci associated with Diaporthe aspalathi resistance through GWAS. We identified 19 SNPs associated with southern stem canker resistance, all on chromosome 14. The peak SNP showed an extremely high degree of association (p-value = 6.35E-27) and explained a large amount of the observed phenotypic variance (R2 = 70%). This strongly suggests that a single major gene is responsible for resistance to D. aspalathi in most of the lines constituting this panel. In resequenced soybean materials, we identified other SNPs in the region identified through GWAS in the same LD block that clearly differentiate resistant and susceptible accessions. The peak SNP was selected and used to develop a cost-effective molecular marker assay, which was validated in a subset of the initial panel. In an accuracy test, this SNP assay demonstrated 98% selection efficiency. CONCLUSIONS Our results suggest relevance of this locus to SSC resistance in soybean cultivars and accessions from different countries, and the SNP marker assay developed in this study can be directly applied in MAS studies in breeding programs to select materials that are resistant against this pathogen and support its introgression.
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Affiliation(s)
- João Vitor Maldonado dos Santos
- Brazilian Agricultural Research Corporation, National Soybean Research Center (Embrapa Soja), Carlos João Strass Road, Warta County, PR Brazil
- Londrina State University (UEL), Celso Garcia Cid Road, km 380, Londrina, PR Brazil
| | | | - André Luiz de Lima Passianotto
- Londrina State University (UEL), Celso Garcia Cid Road, km 380, Londrina, PR Brazil
- Present address: Department of Plant Agriculture, University of Guelph, Guelph, Ontario N1G 2V7 Canada
| | - Bruna Bley Brumer
- Londrina State University (UEL), Celso Garcia Cid Road, km 380, Londrina, PR Brazil
| | - Adriana Brombini Dos Santos
- Brazilian Agricultural Research Corporation, National Soybean Research Center (Embrapa Soja), Carlos João Strass Road, Warta County, PR Brazil
| | - Rafael Moreira Soares
- Brazilian Agricultural Research Corporation, National Soybean Research Center (Embrapa Soja), Carlos João Strass Road, Warta County, PR Brazil
| | - Davoud Torkamaneh
- Department of Plant Sciences and Institute of Integrative Biology and Systems (IBIS), Université Laval, Quebec City, G1V 0A6 Canada
| | - Carlos Alberto Arrabal Arias
- Brazilian Agricultural Research Corporation, National Soybean Research Center (Embrapa Soja), Carlos João Strass Road, Warta County, PR Brazil
| | - François Belzile
- Department of Plant Sciences and Institute of Integrative Biology and Systems (IBIS), Université Laval, Quebec City, G1V 0A6 Canada
| | - Ricardo Vilela Abdelnoor
- Brazilian Agricultural Research Corporation, National Soybean Research Center (Embrapa Soja), Carlos João Strass Road, Warta County, PR Brazil
- Londrina State University (UEL), Celso Garcia Cid Road, km 380, Londrina, PR Brazil
| | - Francismar Corrêa Marcelino-Guimarães
- Brazilian Agricultural Research Corporation, National Soybean Research Center (Embrapa Soja), Carlos João Strass Road, Warta County, PR Brazil
- Londrina State University (UEL), Celso Garcia Cid Road, km 380, Londrina, PR Brazil
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35
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Zhang C, Chen H, Zhuang RR, Chen YT, Deng Y, Cai TC, Wang SY, Liu QZ, Tang RH, Shan SH, Pan RL, Chen LS, Zhuang WJ. Overexpression of the peanut CLAVATA1-like leucine-rich repeat receptor-like kinase AhRLK1 confers increased resistance to bacterial wilt in tobacco. JOURNAL OF EXPERIMENTAL BOTANY 2019; 70:5407-5421. [PMID: 31173088 PMCID: PMC6793444 DOI: 10.1093/jxb/erz274] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2019] [Accepted: 05/31/2019] [Indexed: 06/04/2023]
Abstract
Bacterial wilt caused by Ralstonia solanacearum is a devastating disease affecting hundreds of plant species, yet the host factors remain poorly characterized. The leucine-rich repeat receptor-like kinase gene AhRLK1, characterized as CLAVATA1, was found to be up-regulated in peanut upon inoculation with R. solanacearum. The AhRLK1 protein was localized in the plasma membrane and cell wall. qPCR results showed AhRLK1 was induced in a susceptible variety but little changed in a resistant cultivar after inoculated with R. solanacearum. Hormones such as salicylic acid, abscisic acid, methyl jasmonate, and ethephon induced AhRLK1 expression. In contrast, AhRLK1 expression was down-regulated under cold and drought treatments. Transient overexpression of AhRLK1 led to a hypersensitive response (HR) in Nicotiana benthamiana. Furthermore, AhRLK1 overexpression in tobacco significantly increased the resistance to R. solanacearum. Besides, the transcripts of most representative defense responsive genes in HR and hormone signal pathways were significantly increased in the transgenic lines. EDS1 and PAD4 in the R gene signaling pathway were also up-regulated, but NDR1 was down-regulated. Accordingly, AhRLK1 may increase the defense response to R. solanacearum via HR and hormone defense signaling, in particular through the EDS1 pathway of R gene signaling. These results provide a new understanding of the CLAVATA1 function and will contribute to genetic enhancement of peanut.
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Affiliation(s)
- Chong Zhang
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Crop Molecular and Cell Biology, Fujian Agriculture and Forestry University, Fuzhou, China
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Hua Chen
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Crop Molecular and Cell Biology, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Rui-Rong Zhuang
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, China
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Yu-Ting Chen
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Crop Molecular and Cell Biology, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Ye Deng
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Crop Molecular and Cell Biology, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Tie-Cheng Cai
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Crop Molecular and Cell Biology, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Shuai-Yin Wang
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Crop Molecular and Cell Biology, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Qin-Zheng Liu
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Crop Molecular and Cell Biology, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Rong-Hua Tang
- Cash Crops Research Institute, Guangxi Academy of Agricultural Sciences, Nanning, China
| | - Shi-Hua Shan
- Shandong Peanut Research Institute, Qingdao, China
| | - Rong-Long Pan
- Department of Life Science and Institute of Bioinformatics and Structural Biology, College of Life Science, National Tsing Hua University, Hsin Chu, Taiwan
| | - Li-Song Chen
- Key Laboratory of Crop Molecular and Cell Biology, Fujian Agriculture and Forestry University, Fuzhou, China
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Wei-Jian Zhuang
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Crop Molecular and Cell Biology, Fujian Agriculture and Forestry University, Fuzhou, China
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36
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Qiu Z, Yan S, Xia B, Jiang J, Yu B, Lei J, Chen C, Chen L, Yang Y, Wang Y, Tian S, Cao B. The eggplant transcription factor MYB44 enhances resistance to bacterial wilt by activating the expression of spermidine synthase. JOURNAL OF EXPERIMENTAL BOTANY 2019; 70:5343-5354. [PMID: 31587071 DOI: 10.1093/jxb/erz259] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2019] [Indexed: 05/22/2023]
Abstract
Bacterial wilt (BW) caused by Ralstonia solanacearum is a serious disease affecting the production of Solanaceae species, including eggplant (Solanum melongena). However, few resistance genes have been identified in eggplant, and therefore the underlying mechanism of BW resistance remains unclear. Hence, we investigated a spermidine synthase (SPDS) gene from eggplant and created knock-down lines with virus-induced gene silencing. After eggplant was infected with R. solanacearum, the SmSPDS gene was induced, concurrent with increased spermidine (Spd) content, especially in the resistant line. We speculated that Spd plays a significant role in the defense response of eggplant to BW. Moreover, using the yeast one-hybrid approach and dual luciferase-based transactivation assay, an R2R3-MYB transcription factor, SmMYB44, was identified as directly binding to the SmSPDS promoter, activating its expression. Overexpression of SmMYB44 in eggplant induced the expression of SmSPDS and Spd content, increasing the resistance to BW. In contrast, the SmMYB44-RNAi transgenic plants showed more susceptibility to BW compared with the control plants. Our results provide insight into the SmMYB44-SmSPDS-Spd module involved in the regulation of resistance to R. solanacearum. This research also provides candidates to enhance resistance to BW in eggplant.
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Affiliation(s)
- Zhengkun Qiu
- Key Laboratory of Biology, Innovation and Utilization for Germplasm Resources in Horticultural Crops in Southern China, College of Horticulture, South China Agricultural University, Guangzhou, China
- Guangdong Vegetable Engineering and Technology Research Center, South China Agricultural University, Guangzhou, China
| | - Shuangshuang Yan
- Key Laboratory of Biology, Innovation and Utilization for Germplasm Resources in Horticultural Crops in Southern China, College of Horticulture, South China Agricultural University, Guangzhou, China
- Guangdong Vegetable Engineering and Technology Research Center, South China Agricultural University, Guangzhou, China
| | - Bin Xia
- Office of Key Laboratory Construction of South China Agricultural University, Guangzhou, China
| | - Jing Jiang
- Key Laboratory of Biology, Innovation and Utilization for Germplasm Resources in Horticultural Crops in Southern China, College of Horticulture, South China Agricultural University, Guangzhou, China
| | - Bingwei Yu
- Key Laboratory of Biology, Innovation and Utilization for Germplasm Resources in Horticultural Crops in Southern China, College of Horticulture, South China Agricultural University, Guangzhou, China
- Guangdong Vegetable Engineering and Technology Research Center, South China Agricultural University, Guangzhou, China
| | - Jianjun Lei
- Key Laboratory of Biology, Innovation and Utilization for Germplasm Resources in Horticultural Crops in Southern China, College of Horticulture, South China Agricultural University, Guangzhou, China
- Guangdong Vegetable Engineering and Technology Research Center, South China Agricultural University, Guangzhou, China
| | - Changming Chen
- Key Laboratory of Biology, Innovation and Utilization for Germplasm Resources in Horticultural Crops in Southern China, College of Horticulture, South China Agricultural University, Guangzhou, China
- Guangdong Vegetable Engineering and Technology Research Center, South China Agricultural University, Guangzhou, China
| | - Lin Chen
- Key Laboratory of Biology, Innovation and Utilization for Germplasm Resources in Horticultural Crops in Southern China, College of Horticulture, South China Agricultural University, Guangzhou, China
- Guangdong Vegetable Engineering and Technology Research Center, South China Agricultural University, Guangzhou, China
| | - Yang Yang
- The Institute of Vegetable and Flower Research, Chongqing Academy of Agricultural Sciences, Chongqing, China
| | - Yongqing Wang
- The Institute of Vegetable and Flower Research, Chongqing Academy of Agricultural Sciences, Chongqing, China
| | - Shibing Tian
- The Institute of Vegetable and Flower Research, Chongqing Academy of Agricultural Sciences, Chongqing, China
| | - Bihao Cao
- Key Laboratory of Biology, Innovation and Utilization for Germplasm Resources in Horticultural Crops in Southern China, College of Horticulture, South China Agricultural University, Guangzhou, China
- Guangdong Vegetable Engineering and Technology Research Center, South China Agricultural University, Guangzhou, China
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Dutton C, Hõrak H, Hepworth C, Mitchell A, Ton J, Hunt L, Gray JE. Bacterial infection systemically suppresses stomatal density. PLANT, CELL & ENVIRONMENT 2019; 42:2411-2421. [PMID: 31042812 PMCID: PMC6771828 DOI: 10.1111/pce.13570] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 03/08/2019] [Accepted: 04/27/2019] [Indexed: 05/20/2023]
Abstract
Many plant pathogens gain entry to their host via stomata. On sensing attack, plants close these pores to restrict pathogen entry. Here, we show that plants exhibit a second longer term stomatal response to pathogens. Following infection, the subsequent development of leaves is altered via a systemic signal. This reduces the density of stomata formed, thus providing fewer entry points for pathogens on new leaves. Arabidopsis thaliana leaves produced after infection by a bacterial pathogen that infects through the stomata (Pseudomonas syringae) developed larger epidermal pavement cells and stomata and consequently had up to 20% reductions in stomatal density. The bacterial peptide flg22 or the phytohormone salicylic acid induced similar systemic reductions in stomatal density suggesting that they might mediate this effect. In addition, flagellin receptors, salicylic acid accumulation, and the lipid transfer protein AZI1 were all required for this developmental response. Furthermore, manipulation of stomatal density affected the level of bacterial colonization, and plants with reduced stomatal density showed slower disease progression. We propose that following infection, development of new leaves is altered by a signalling pathway with some commonalities to systemic acquired resistance. This acts to reduce the potential for future infection by providing fewer stomatal openings.
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Affiliation(s)
- Christian Dutton
- Department of Molecular Biology and BiotechnologyUniversity of SheffieldSheffieldS10 2TNUK
- Grantham Centre for Sustainable FuturesUniversity of SheffieldSheffieldS10 2TNUK
| | - Hanna Hõrak
- Department of Molecular Biology and BiotechnologyUniversity of SheffieldSheffieldS10 2TNUK
| | - Christopher Hepworth
- Department of Molecular Biology and BiotechnologyUniversity of SheffieldSheffieldS10 2TNUK
- Department of Animal and Plant SciencesUniversity of SheffieldSheffieldS10 2TNUK
| | - Alice Mitchell
- Department of Molecular Biology and BiotechnologyUniversity of SheffieldSheffieldS10 2TNUK
| | - Jurriaan Ton
- Department of Animal and Plant SciencesUniversity of SheffieldSheffieldS10 2TNUK
| | - Lee Hunt
- Department of Molecular Biology and BiotechnologyUniversity of SheffieldSheffieldS10 2TNUK
| | - Julie E. Gray
- Department of Molecular Biology and BiotechnologyUniversity of SheffieldSheffieldS10 2TNUK
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Asymmetric Redundancy of ZERZAUST and ZERZAUST HOMOLOG in Different Accessions of Arabidopsis thaliana. G3-GENES GENOMES GENETICS 2019; 9:2245-2252. [PMID: 31113822 PMCID: PMC6643898 DOI: 10.1534/g3.119.400211] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Divergence among duplicate genes is one of the important sources of evolutionary innovation. But, the contribution of duplicate divergence to variation in Arabidopsis accessions is sparsely known. Recently, we studied the role of a cell wall localized protein, ZERZAUST (ZET), in Landsberg erecta (Ler) accession, lack of which results in aberrant plant morphology. Here, we present the study of ZET in Columbia (Col) accession, which not only showed differential expression patterns in comparison to Ler, but also revealed its close homolog, ZERZAUST HOMOLOG (ZETH). Although, genetic analysis implied redundancy, expression analysis revealed divergence, with ZETH showing minimal expression in both Col and Ler. In addition, ZETH shows relatively higher expression levels in Col compared to Ler. Our data also reveal compensatory up-regulation of ZETH in Col, but not in Ler, implying it is perhaps dispensable in Ler. However, a novel CRISPR/Cas9-induced zeth allele confirmed that ZETH has residual activity in Ler. Finally, the synergistic interaction of the receptor-like kinase gene, ERECTA with ZET in ameliorating morphological defects suggests crucial role of modifiers on plant phenotype. The results provide genetic evidence for accession-specific differences in compensation mechanism and asymmetric gene contribution. Thus, our work reveals a novel example for how weakly expressed homologs contribute to diversity among accessions.
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Lan X, Liu Y, Song S, Yin L, Xiang J, Qu J, Lu J. Plasmopara viticola effector PvRXLR131 suppresses plant immunity by targeting plant receptor-like kinase inhibitor BKI1. MOLECULAR PLANT PATHOLOGY 2019; 20:765-783. [PMID: 30945786 PMCID: PMC6637860 DOI: 10.1111/mpp.12790] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
The grapevine downy mildew pathogen Plasmopara viticola secretes a set of RXLR effectors (PvRXLRs) to overcome host immunity and facilitate infection, but how these effectors function is unclear. Here, the biological function of PvRXLR131 was investigated via heterologous expression. Constitutive expression of PvRXLR131 in Colletotrichum gloeosporioides significantly enhanced its pathogenicity on grapevine leaves. Constitutive expression of PvRXLR131 in Arabidopsis promoted Pseudomonas syringae DC3000 and P. syringae DC3000 (hrcC- ) growth as well as suppressed defence-related callose deposition. Transient expression of PvRXLR131 in Nicotiana benthamiana leaves could also suppress different elicitor-triggered cell death and inhibit plant resistance to Phytophthora capsici. Further analysis revealed that PvRXLR131 interacted with host Vitis vinifera BRI1 kinase inhibitor 1 (VvBKI1), and its homologues in N. benthamiana (NbBKI1) and Arabidopsis (AtBKI1). Moreover, bimolecular fluorescence complementation analysis revealed that PvRXLR131 interacted with VvBKI1 in the plasma membrane. Deletion assays showed that the C-terminus of PvRXLR131 was responsible for the interaction and mutation assays showed that phosphorylation of a conserved tyrosine residue in BKI1s disrupted the interaction. BKI1 was a receptor inhibitor of growth- and defence-related brassinosteroid (BR) and ERECTA (ER) signalling. When silencing of NbBKI1 in N. benthamiana, the virulence function of PvRXLR131 was eliminated, demonstrating that the effector activity is mediated by BKI1. Moreover, PvRXLR131-transgenic plants displayed BKI1-overexpression dwarf phenotypes and suppressed BR and ER signalling. These physiological and genetic data clearly demonstrate that BKI1 is a virulence target of PvRXLR131. We propose that P. viticola secretes PvRXLR131 to target BKI1 as a strategy for promoting infection.
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Affiliation(s)
- Xia Lan
- College of Food Science and Nutritional EngineeringChina Agricultural UniversityBeijingChina
- Center for Viticulture and Enology, School of Agriculture and BiologyShanghai Jiao Tong UniversityShanghaiChina
| | - Yunxiao Liu
- College of Food Science and Nutritional EngineeringChina Agricultural UniversityBeijingChina
- Center for Viticulture and Enology, School of Agriculture and BiologyShanghai Jiao Tong UniversityShanghaiChina
| | - Shiren Song
- Center for Viticulture and Enology, School of Agriculture and BiologyShanghai Jiao Tong UniversityShanghaiChina
| | - Ling Yin
- Guangxi Crop Genetic Improvement and Biotechnology LaboratoryGuangxi Academy of Agricultural SciencesNanningChina
| | - Jiang Xiang
- Center for Viticulture and Enology, School of Agriculture and BiologyShanghai Jiao Tong UniversityShanghaiChina
| | - Junjie Qu
- Guangxi Crop Genetic Improvement and Biotechnology LaboratoryGuangxi Academy of Agricultural SciencesNanningChina
| | - Jiang Lu
- Center for Viticulture and Enology, School of Agriculture and BiologyShanghai Jiao Tong UniversityShanghaiChina
- Guangxi Crop Genetic Improvement and Biotechnology LaboratoryGuangxi Academy of Agricultural SciencesNanningChina
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Branham SE, Levi A, Katawczik ML, Wechter WP. QTL mapping of resistance to bacterial fruit blotch in Citrullus amarus. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2019; 132:1463-1471. [PMID: 30739153 DOI: 10.1007/s00122-019-03292-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 01/19/2019] [Indexed: 06/09/2023]
Abstract
Six QTLs were associated with affected leaf area in response to inoculation with Acidovorax citrulli in a recombinant inbred line population of Citrullus amarus. Acidovorax citrulli, the causal agent of bacterial fruit blotch (BFB) of cucurbits, has the potential to devastate production of watermelon and other cucurbits. Despite decades of research on host-plant resistance to A. citrulli, no germplasm has been found with immunity and only a few sources with various levels of BFB resistance have been identified, but the genetic basis of resistance in these watermelon sources are not known. Most sources of resistance are plant introductions of Citrullus amarus (citron melon), a closely related species that crosses readily with cultivated watermelon (Citrullus lanatus L.). In this study, we evaluated a recombinant inbred line population (N = 200), derived from a cross between BFB-resistant (USVL246-FR2) and BFB-susceptible (USVL114) C. amarus lines, for foliar resistance to A. citrulli in three replicated greenhouse trials. We found the genetics of BFB resistance to be complicated by strong environmental influence, low heritability and significant genotype-by-environment interactions. QTL mapping of affected leaf area identified six QTL that each explained between 5 and 15% of the variation in BFB resistance in the population. This study represents the first identification of QTL associated with resistance to A. citrulli in any cucurbit.
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Affiliation(s)
- Sandra E Branham
- US Vegetable Laboratory, USDA, ARS, 2700 Savannah Highway, Charleston, SC, 29414, USA
| | - Amnon Levi
- US Vegetable Laboratory, USDA, ARS, 2700 Savannah Highway, Charleston, SC, 29414, USA
| | - Melanie L Katawczik
- US Vegetable Laboratory, USDA, ARS, 2700 Savannah Highway, Charleston, SC, 29414, USA
| | - W Patrick Wechter
- US Vegetable Laboratory, USDA, ARS, 2700 Savannah Highway, Charleston, SC, 29414, USA.
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Endo H, Torii KU. Stomatal Development and Perspectives toward Agricultural Improvement. Cold Spring Harb Perspect Biol 2019; 11:cshperspect.a034660. [PMID: 30988007 DOI: 10.1101/cshperspect.a034660] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Stomata are small pores on the surface of land plants that facilitate gas exchange-acquiring CO2 from surrounding atmosphere and releasing water vapor. In adverse conditions, such as drought, stomata close to minimize water loss. The activities of stomata are vital for plant growth and survival. In the last two decades, key players for stomatal development have been discovered thanks to the model plant Arabidopsis thaliana Our knowledge about the formation of stomata and their response to environmental changes are accumulating. In this review, we summarize the genetic and molecular mechanisms of stomatal development, with specific emphasis on recent findings and potential applications toward enhancing the sustainability of agriculture.
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Affiliation(s)
- Hitoshi Endo
- Institute of transformative Biomolecules (WPI-ITbM), Nagoya University, Chikusa, Nagoya 464-8601, Japan
| | - Keiko U Torii
- Institute of transformative Biomolecules (WPI-ITbM), Nagoya University, Chikusa, Nagoya 464-8601, Japan.,Howard Hughes Medical Institute and Department of Biology, University of Washington, Seattle, Washington 98195, USA
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42
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Identification and expression analysis of ERECTA family genes in grape (Vitis vinifera L.). Genes Genomics 2019; 41:723-735. [PMID: 31004330 DOI: 10.1007/s13258-019-00810-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2018] [Accepted: 03/07/2019] [Indexed: 01/13/2023]
Abstract
BACKGROUND ERECTA family (ERf) genes are found in many dicots and monocots, and play important roles in plant developmental processes and stress responses. However, there is little known on ERf genes in grape (Vitis vinifera L.). OBJECTIVES The primary objective of this study was to identify the ERf genes in grape, and to analyze their expression profiles in different organs, during development, and in response to hormone treatments and abiotic/biotic stresses. METHODS ERf protein sequences of dicots were aligned in the grape genome (V. vinifera cv. Pinot Noir, PN40024, 12X) with Blast server. The locus tags obtained were inputted in NCBI to retrieve corresponding nucleotide and protein accession numbers. The subcellular localization experiment was performed by the transient expression of VvERECTA-GFP and VvERL2-GFP in mesophyll protoplasts of Arabidopsis. The expression levels of ERf genes in grape leaves were detected by qRT-PCR after hormone treatments and abiotic/biotic stresses. RESULTS We first identified the ERf genes in the grape genome, including VvERECTA and VvERL2. Their cDNA full-length sequences were obtained with the accession numbers MG601756 and MG601757. The result of subcellular localization indicated that the fusion proteins of VvERECTA and VvERL2 were localized in the plasma membrane. There were four conserved domains identified in VvERECTA and VvERL2, including a LRRNT-2, a LRR, a transmembrane and a protein kinase domain. The grape ERf genes expressed highly in young aboveground organs. As grape leaves or berries becoming mature, VvERECTA expressed in a declining trend. The transcript abundance of VvERL2 decreased during leaves development, but showed no significant differences during berries development. The hormone treatments of ABA, SA, MeJA and BR could induce the expression of VvERECTA and VvERL2. The treatments of heat, drought, downy and powdery mildew significantly increased the expression levels of the grape ERf genes. CONCLUSION The grape ERECTA gene family might play crucial roles in response to abiotic and biotic stresses. We provide the first description of the grape ERf genes and the most comprehensive analysis of their expressions in different biological processes.
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Sun J, Cao L, Li H, Wang G, Wang S, Li F, Zou X, Wang J. Early responses given distinct tactics to infection of Peronophythora litchii in susceptible and resistant litchi cultivar. Sci Rep 2019; 9:2810. [PMID: 30808947 PMCID: PMC6391439 DOI: 10.1038/s41598-019-39100-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Accepted: 01/11/2019] [Indexed: 12/20/2022] Open
Abstract
Litchi downy blight, a destructive litchi disease caused by Peronophythora litchii, is controlled by intensive fungicide applying. Sources of resistance are used in conventional breeding approaches, but the mechanism is not well understood. Follow-up six years investigation, 'Guiwei' and 'Heiye' displayed stable susceptible and resistant against to P. litchii, respectively. After 72 hour inoculation, 'Heiye' showed few disease spots, while 'Guiwei' appeared brown and covered with white sporangia. Germination of sporangia and growth of mycelium in 'Guiwei' is more quickly than in 'Heiye'. Transcript levels were measured at 6, 24, and 48 hour post-inoculation. 'Oxidation-reduction process' was dramatically enhanced in 'Heiye', which could promote its resistance to pathogen infection. A small ratio (3.78%) of common DEGs indicates that resistant and susceptible cultivars take different strategies to defense against P. litchii. At early infection stage, 'Heiye' induced a larger number of genes, including seven receptor-like kinases, which quickly recognized attack of pathogen and led to a rapidly resistance by regulation of degradation of proteasome, transcription factors, and cell wall remodeling. The early DGEs were exiguous in 'Guiwei', suggesting a weak response. Once the infection was successful, the resistance was repressed by down-regulated genes involved in phenylpropanoid metabolism, ET biosynthesis and signaling conduction in 'Guiwei'. In conclusion, quickly recognition and early responses to pathogen, as well as minimal pathogen development and basal expression of resistance-related genes, were correlated with a high level of resistance in 'Heiye', while susceptible 'Guiwei' suffered massive infection due to lagging response and repressed signal transduction.
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Affiliation(s)
- Jinhua Sun
- Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, PR China
| | - Lulu Cao
- Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, PR China
| | - Huanling Li
- Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, PR China
| | - Guo Wang
- Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, PR China
| | - Shujun Wang
- Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, PR China
| | - Fang Li
- Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, PR China
| | - Xiaoxiao Zou
- Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou, PR China
| | - Jiabao Wang
- Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, PR China.
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Haile ZM, Nagpala-De Guzman EG, Moretto M, Sonego P, Engelen K, Zoli L, Moser C, Baraldi E. Transcriptome Profiles of Strawberry ( Fragaria vesca) Fruit Interacting With Botrytis cinerea at Different Ripening Stages. FRONTIERS IN PLANT SCIENCE 2019; 10:1131. [PMID: 31620156 PMCID: PMC6759788 DOI: 10.3389/fpls.2019.01131] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Accepted: 08/15/2019] [Indexed: 05/04/2023]
Abstract
Gray mold caused by Botrytis cinerea is a major cause of economic losses in strawberry fruit production, limiting fruit shelf life and commercialization. When the fungus infects Fragaria × ananassa strawberry at flowering or unripe fruit stages, symptoms develop after an extended latent phase on ripe fruits before or after harvesting. To elucidate the growth kinetics of B. cinerea on flower/fruit and the molecular responses associated with low susceptibility of unripe fruit stages, woodland strawberry Fragaria vesca flowers and fruits, at unripe white and ripe red stages, were inoculated with B. cinerea. Quantification of fungal genomic DNA within 72 h postinoculation (hpi) showed limited fungal growth on open flower and white fruit, while on red fruit, the growth was exponential starting from 24 hpi and sporulation was observed within 48 hpi. RNA sequencing applied to white and red fruit at 24 hpi showed that a total of 2,141 genes (12.5% of the total expressed genes) were differentially expressed due to B. cinerea infection. A broad transcriptional reprogramming was observed in both unripe and ripe fruits, involving in particular receptor and signaling, secondary metabolites, and defense response pathways. Membrane-localized receptor-like kinases and nucleotide-binding site leucine-rich repeat genes were predominant in the surveillance system of the fruits, most of them being downregulated in white fruits and upregulated in red fruits. In general, unripe fruits exhibited a stronger defense response than red fruits. Genes encoding for pathogenesis-related proteins and flavonoid polyphenols as well as genes involved in cell-wall strengthening were upregulated, while cell-softening genes appeared to be switched off. As a result, B. cinerea remained quiescent in white fruits, while it was able to colonize ripe red fruits.
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Affiliation(s)
- Zeraye Mehari Haile
- Laboratory of Biotechnology and Plant Pathology, DISTAL, University of Bologna, Bologna, Italy
- Plant Protection Research Division of Melkasa Agricultural Research Center, Ethiopian Institute of Agricultural Research (EIAR), Addis Ababa, Ethiopia
- Genomics and Biology of Fruit Crops Department, Research and Innovation Centre, Fondazione Edmund Mach, San Michele all’Adige, Italy
| | | | - Marco Moretto
- Unit of Computational Biology, Research and Innovation Centre, Fondazione Edmund Mach, San Michele all’Adige, Italy
| | - Paolo Sonego
- Unit of Computational Biology, Research and Innovation Centre, Fondazione Edmund Mach, San Michele all’Adige, Italy
| | - Kristof Engelen
- ESAT-ELECTA, Electrical Energy and Computer Architectures, Leuven, Belgium
| | - Lisa Zoli
- Laboratory of Biotechnology and Plant Pathology, DISTAL, University of Bologna, Bologna, Italy
| | - Claudio Moser
- Genomics and Biology of Fruit Crops Department, Research and Innovation Centre, Fondazione Edmund Mach, San Michele all’Adige, Italy
| | - Elena Baraldi
- Laboratory of Biotechnology and Plant Pathology, DISTAL, University of Bologna, Bologna, Italy
- *Correspondence: Elena Baraldi,
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Wang L, Zhou X, Ren X, Huang L, Luo H, Chen Y, Chen W, Liu N, Liao B, Lei Y, Yan L, Shen J, Jiang H. A Major and Stable QTL for Bacterial Wilt Resistance on Chromosome B02 Identified Using a High-Density SNP-Based Genetic Linkage Map in Cultivated Peanut Yuanza 9102 Derived Population. Front Genet 2018; 9:652. [PMID: 30619474 PMCID: PMC6305283 DOI: 10.3389/fgene.2018.00652] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Accepted: 11/30/2018] [Indexed: 11/29/2022] Open
Abstract
Bacterial wilt (BW) is one of the important diseases limiting the production of peanut (Arachis hypogaea L.) worldwide. The sufficient precise information on the quantitative trait loci (QTL) for BW resistance is essential for facilitating gene mining and applying in molecular breeding. Cultivar Yuanza 9102 is BW resistant, bred from wide cross between cultivated peanut Baisha 1016 and a wild diploid peanut species A. chacoense with BW resistance. In this study, we aim to map the major QTLs related to BW-resistance in Yuanza 9102. A high density SNP-based genetic linkage map was constructed through double-digest restriction-site-associated DNA sequencing (ddRADseq) technique based on Yuanza 9102 derived recombinant inbred lines (RILs) population. The map contained 2,187 SNP markers distributed on 20 linkage groups (LGs) spanning 1566.10 cM, and showed good synteny with AA genome from A. duranensis and BB genome from A. ipaensis. Phenotypic frequencies of BW resistance among RIL population showed two-peak distribution in four environments. Four QTLs explaining 5.49 to 23.22% phenotypic variance were identified to be all located on chromosome B02. The major QTL, qBWB02.1 (12.17–23.33% phenotypic variation explained), was detected in three environments showing consistent and stable expression. Furthermore, there was positive additive effect among these major and minor QTLs. The major QTL region was mapped to a region covering 2.3 Mb of the pseudomolecule B02 of A. ipaensis which resides in 21 nucleotide-binding site -leucine-rich repeat (NBS-LRR) encoding genes. The result of the major stable QTL (qBWB02.1) not only offers good foundation for discovery of BW resistant gene but also provide opportunity for deployment of the QTL in marker-assisted breeding in peanut.
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Affiliation(s)
- Lifang Wang
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, China.,College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Xiaojing Zhou
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, China
| | - Xiaoping Ren
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, China
| | - Li Huang
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, China
| | - Huaiyong Luo
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, China
| | - Yuning Chen
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, China
| | - Weigang Chen
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, China
| | - Nian Liu
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, China
| | - Boshou Liao
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, China
| | - Yong Lei
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, China
| | - Liying Yan
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, China
| | - Jinxiong Shen
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Huifang Jiang
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, China
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Guan D, Yang F, Xia X, Shi Y, Yang S, Cheng W, He S. CaHSL1 Acts as a Positive Regulator of Pepper Thermotolerance Under High Humidity and Is Transcriptionally Modulated by CaWRKY40. FRONTIERS IN PLANT SCIENCE 2018; 9:1802. [PMID: 30581449 PMCID: PMC6292930 DOI: 10.3389/fpls.2018.01802] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Accepted: 11/20/2018] [Indexed: 05/27/2023]
Abstract
Pepper (Capsicum annuum) is an economically important vegetable and heat stress can severely impair pepper growth, development, and productivity. The molecular mechanisms underlying pepper thermotolerance are therefore important to understand but remain elusive. In the present study, we characterized the function of CaHSL1, encoding a HAESA-LIKE (HSL) receptor-like protein kinase (RLK), during the response of pepper to high temperature and high humidity (HTHH). CaHSL1 exhibits the typical structural features of an arginine-aspartate RLK. Transient overexpression of CaHSL1 in the mesophyll cells of Nicotiana benthamiana showed that CaHSL1 localizes throughout the cell, including the plasma membrane, cytoplasm, and the nucleus. CaHSL1 was significantly upregulated by HTHH or the exogenous application of abscisic acid but not by R. solanacearum inoculation. However, CaHSL1 was downregulated by exogenously applied salicylic acid, methyl jasmonate, or ethephon. Silencing of CaHSL1 by virus-induced gene silencing significantly was reduced tolerance to HTHH and downregulated transcript levels of an associated gene CaHSP24. In contrast, transient overexpression of CaHSL1 enhanced the transcript abundance of CaHSP24 and increased tolerance to HTHH, as manifested by enhanced optimal/maximal photochemical efficiency of photosystem II in the dark (Fv/Fm) and actual photochemical efficiency of photosystem II in the light. In addition, CaWRKY40 targeted the promoter of CaHSL1 and induced transcription during HTHH but not in response to R. solanacearum. All of these results suggest that CaHSL1 is directly modulated at the transcriptional level by CaWRKY40 and functions as a positive regulator in the response of pepper to HTHH.
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Affiliation(s)
- Deyi Guan
- Fujian Provincial Key Laboratory of Applied Genetics, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Plant Genetic Improvement and Comprehensive Utilization, Ministry of Education, Fujian Agriculture and Forestry University, Fuzhou, China
- College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Feng Yang
- Fujian Provincial Key Laboratory of Applied Genetics, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Plant Genetic Improvement and Comprehensive Utilization, Ministry of Education, Fujian Agriculture and Forestry University, Fuzhou, China
- College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Xiaoqin Xia
- Fujian Provincial Key Laboratory of Applied Genetics, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Plant Genetic Improvement and Comprehensive Utilization, Ministry of Education, Fujian Agriculture and Forestry University, Fuzhou, China
- College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Yuanyuan Shi
- Fujian Provincial Key Laboratory of Applied Genetics, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Plant Genetic Improvement and Comprehensive Utilization, Ministry of Education, Fujian Agriculture and Forestry University, Fuzhou, China
- College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Sheng Yang
- Fujian Provincial Key Laboratory of Applied Genetics, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Plant Genetic Improvement and Comprehensive Utilization, Ministry of Education, Fujian Agriculture and Forestry University, Fuzhou, China
- College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Wei Cheng
- Fujian Provincial Key Laboratory of Applied Genetics, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Plant Genetic Improvement and Comprehensive Utilization, Ministry of Education, Fujian Agriculture and Forestry University, Fuzhou, China
- College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Shuilin He
- Fujian Provincial Key Laboratory of Applied Genetics, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Plant Genetic Improvement and Comprehensive Utilization, Ministry of Education, Fujian Agriculture and Forestry University, Fuzhou, China
- College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, China
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Neupane S, Andersen EJ, Neupane A, Nepal MP. Genome-Wide Identification of NBS-Encoding Resistance Genes in Sunflower (Helianthus annuus L.). Genes (Basel) 2018; 9:genes9080384. [PMID: 30061549 PMCID: PMC6115920 DOI: 10.3390/genes9080384] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 07/17/2018] [Accepted: 07/20/2018] [Indexed: 01/08/2023] Open
Abstract
Nucleotide Binding Site—Leucine-Rich Repeat (NBS-LRR) genes encode disease resistance proteins involved in plants’ defense against their pathogens. Although sunflower is affected by many diseases, only a few molecular details have been uncovered regarding pathogenesis and resistance mechanisms. Recent availability of sunflower whole genome sequences in publicly accessible databases allowed us to accomplish a genome-wide identification of Toll-interleukin-1 receptor-like Nucleotide-binding site Leucine-rich repeat (TNL), Coiled Coil (CC)-NBS-LRR (CNL), Resistance to powdery mildew8 (RPW8)-NBS-LRR (RNL) and NBS-LRR (NL) protein encoding genes. Hidden Markov Model (HMM) profiling of 52,243 putative protein sequences from sunflower resulted in 352 NBS-encoding genes, among which 100 genes belong to CNL group including 64 genes with RX_CC like domain, 77 to TNL, 13 to RNL, and 162 belong to NL group. We also identified signal peptides and nuclear localization signals present in the identified genes and their homologs. We found that NBS genes were located on all chromosomes and formed 75 gene clusters, one-third of which were located on chromosome 13. Phylogenetic analyses between sunflower and Arabidopsis NBS genes revealed a clade-specific nesting pattern in CNLs, with RNLs nested in the CNL-A clade, and species-specific nesting pattern for TNLs. Surprisingly, we found a moderate bootstrap support (BS = 50%) for CNL-A clade being nested within TNL clade making both the CNL and TNL clades paraphyletic. Arabidopsis and sunflower showed 87 syntenic blocks with 1049 high synteny hits between chromosome 5 of Arabidopsis and chromosome 6 of sunflower. Expression data revealed functional divergence of the NBS genes with basal level tissue-specific expression. This study represents the first genome-wide identification of NBS genes in sunflower paving avenues for functional characterization and potential crop improvement.
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Affiliation(s)
- Surendra Neupane
- Department of Biology and Microbiology, South Dakota State University, Brookings, SD 57007, USA.
| | - Ethan J Andersen
- Department of Biology and Microbiology, South Dakota State University, Brookings, SD 57007, USA.
| | - Achal Neupane
- Department of Biology and Microbiology, South Dakota State University, Brookings, SD 57007, USA.
| | - Madhav P Nepal
- Department of Biology and Microbiology, South Dakota State University, Brookings, SD 57007, USA.
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Takahashi T, Murano T, Ishikawa A. SOBIR1 and AGB1 independently contribute to nonhost resistance to Pyricularia oryzae (syn. Magnaporthe oryzae) in Arabidopsis thaliana. Biosci Biotechnol Biochem 2018; 82:1922-1930. [PMID: 30022707 DOI: 10.1080/09168451.2018.1498727] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Rice blast caused by Pyricularia oryzae (syn. Magnaporthe oryzae) is a disease devastating to rice. We have studied the Arabidopsis-P. oryzae pathosystem as a model system for nonhost resistance (NHR) and found that SOBIR1, but not BAK1, is a positive regulator of NHR to P. oryzae in Arabidopsis. AGB1 is also involved in NHR. However, the genetic interactions between SOBIR1, BAK1, and AGB1 are uncharacterized. In this study, we delineated the genetic interactions between SOBIR1, BAK1, and AGB1 in NHR to P. oryzae in Arabidopsis and found SOBIR1 and AGB1 independently control NHR to P. oryzae in Arabidopsis pen2-1 mutant plants. Furthermore, XLG2, but not TMM, has a positive role in penetration resistance to P. oryzae in Arabidopsis pen2-1 mutant plants. Our study characterized genetic interactions in Arabidopsis NHR. Abbreviations: PRR: pattern recognition receptor, RLK: receptor-like kinase, RLP: receptor-like protein, BAK1: BRASSINOSTEROID INSENSITIVE 1-ASSOCIATED RECEPTOR KINASE 1, BIR1: BAK1-INTERACTING RECEPTOR-LIKE KINASE 1, SOBIR1: SUPPRESSOR OF BIR1-1-1, AGB1: ARABIDOPSIS G PROTEIN ß-SUBUNIT 1, XLG2: EXTRA-LARGE G PROTEIN 2.
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Affiliation(s)
- Toshiharu Takahashi
- a Department of Bioscience and Biotechnology , Fukui Prefectural University , Fukui , Japan
| | - Tomoya Murano
- a Department of Bioscience and Biotechnology , Fukui Prefectural University , Fukui , Japan
| | - Atsushi Ishikawa
- a Department of Bioscience and Biotechnology , Fukui Prefectural University , Fukui , Japan
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Sopeña-Torres S, Jordá L, Sánchez-Rodríguez C, Miedes E, Escudero V, Swami S, López G, Piślewska-Bednarek M, Lassowskat I, Lee J, Gu Y, Haigis S, Alexander D, Pattathil S, Muñoz-Barrios A, Bednarek P, Somerville S, Schulze-Lefert P, Hahn MG, Scheel D, Molina A. YODA MAP3K kinase regulates plant immune responses conferring broad-spectrum disease resistance. THE NEW PHYTOLOGIST 2018; 218:661-680. [PMID: 29451312 DOI: 10.1111/nph.15007] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Accepted: 12/11/2017] [Indexed: 06/08/2023]
Abstract
Mitogen-activated protein kinases (MAPKs) cascades play essential roles in plants by transducing developmental cues and environmental signals into cellular responses. Among the latter are microbe-associated molecular patterns perceived by pattern recognition receptors (PRRs), which trigger immunity. We found that YODA (YDA) - a MAPK kinase kinase regulating several Arabidopsis developmental processes, like stomatal patterning - also modulates immune responses. Resistance to pathogens is compromised in yda alleles, whereas plants expressing the constitutively active YDA (CA-YDA) protein show broad-spectrum resistance to fungi, bacteria, and oomycetes with different colonization modes. YDA functions in the same pathway as ERECTA (ER) Receptor-Like Kinase, regulating both immunity and stomatal patterning. ER-YDA-mediated immune responses act in parallel to canonical disease resistance pathways regulated by phytohormones and PRRs. CA-YDA plants exhibit altered cell-wall integrity and constitutively express defense-associated genes, including some encoding putative small secreted peptides and PRRs whose impairment resulted in enhanced susceptibility phenotypes. CA-YDA plants show strong reprogramming of their phosphoproteome, which contains protein targets distinct from described MAPKs substrates. Our results suggest that, in addition to stomata development, the ER-YDA pathway regulates an immune surveillance system conferring broad-spectrum disease resistance that is distinct from the canonical pathways mediated by described PRRs and defense hormones.
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Affiliation(s)
- Sara Sopeña-Torres
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM)-Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus Montegancedo UPM, 28223, Pozuelo de Alarcón (Madrid), Spain
- Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, 28040, Madrid, Spain
| | - Lucía Jordá
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM)-Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus Montegancedo UPM, 28223, Pozuelo de Alarcón (Madrid), Spain
- Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, 28040, Madrid, Spain
| | - Clara Sánchez-Rodríguez
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM)-Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus Montegancedo UPM, 28223, Pozuelo de Alarcón (Madrid), Spain
- Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, 28040, Madrid, Spain
| | - Eva Miedes
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM)-Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus Montegancedo UPM, 28223, Pozuelo de Alarcón (Madrid), Spain
- Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, 28040, Madrid, Spain
| | - Viviana Escudero
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM)-Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus Montegancedo UPM, 28223, Pozuelo de Alarcón (Madrid), Spain
- Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, 28040, Madrid, Spain
| | - Sanjay Swami
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM)-Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus Montegancedo UPM, 28223, Pozuelo de Alarcón (Madrid), Spain
- Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, 28040, Madrid, Spain
| | - Gemma López
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM)-Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus Montegancedo UPM, 28223, Pozuelo de Alarcón (Madrid), Spain
- Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, 28040, Madrid, Spain
| | | | - Ines Lassowskat
- Department of Stress & Developmental Biology, Leibniz-Institut für Pflanzenbiochemie, Weinberg 3, D06120, Halle (Saale), Germany
| | - Justin Lee
- Department of Stress & Developmental Biology, Leibniz-Institut für Pflanzenbiochemie, Weinberg 3, D06120, Halle (Saale), Germany
| | - Yangnan Gu
- Department of Biology, Duke University, PO Box 90338, Durham, NC, 27708, USA
| | - Sabine Haigis
- Department of Plant-Microbe Interactions, Max Planck Institut für Züchtungsforschung, Carl-von-Linné-Weg 10, D50829, Cologne, Germany
| | - Danny Alexander
- Metabolon Inc., 617 Davis Drive, Suite 400, Durham, NC, 27713, USA
| | - Sivakumar Pattathil
- Complex Carbohydrate Research Center, University of Georgia, Athens, GA, 30605, USA
| | - Antonio Muñoz-Barrios
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM)-Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus Montegancedo UPM, 28223, Pozuelo de Alarcón (Madrid), Spain
- Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, 28040, Madrid, Spain
| | - Pawel Bednarek
- Institute of Bioorganic Chemistry, Polish Academy of Sciences, 61-704, Poznan, Poland
| | - Shauna Somerville
- Energy Biosciences Institute, University of California, 94720, Berkeley, CA, USA
| | - Paul Schulze-Lefert
- Department of Plant-Microbe Interactions, Max Planck Institut für Züchtungsforschung, Carl-von-Linné-Weg 10, D50829, Cologne, Germany
| | - Michael G Hahn
- Complex Carbohydrate Research Center, University of Georgia, Athens, GA, 30605, USA
| | - Dierk Scheel
- Department of Stress & Developmental Biology, Leibniz-Institut für Pflanzenbiochemie, Weinberg 3, D06120, Halle (Saale), Germany
| | - Antonio Molina
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM)-Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus Montegancedo UPM, 28223, Pozuelo de Alarcón (Madrid), Spain
- Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, 28040, Madrid, Spain
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50
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Bacete L, Mélida H, Miedes E, Molina A. Plant cell wall-mediated immunity: cell wall changes trigger disease resistance responses. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2018; 93:614-636. [PMID: 29266460 DOI: 10.1111/tpj.13807] [Citation(s) in RCA: 274] [Impact Index Per Article: 45.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Revised: 12/07/2017] [Accepted: 12/14/2017] [Indexed: 05/18/2023]
Abstract
Plants have evolved a repertoire of monitoring systems to sense plant morphogenesis and to face environmental changes and threats caused by different attackers. These systems integrate different signals into overreaching triggering pathways which coordinate developmental and defence-associated responses. The plant cell wall, a dynamic and complex structure surrounding every plant cell, has emerged recently as an essential component of plant monitoring systems, thus expanding its function as a passive defensive barrier. Plants have a dedicated mechanism for maintaining cell wall integrity (CWI) which comprises a diverse set of plasma membrane-resident sensors and pattern recognition receptors (PRRs). The PRRs perceive plant-derived ligands, such as peptides or wall glycans, known as damage-associated molecular patterns (DAMPs). These DAMPs function as 'danger' alert signals activating DAMP-triggered immunity (DTI), which shares signalling components and responses with the immune pathways triggered by non-self microbe-associated molecular patterns that mediate disease resistance. Alteration of CWI by impairment of the expression or activity of proteins involved in cell wall biosynthesis and/or remodelling, as occurs in some plant cell wall mutants, or by wall damage due to colonization by pathogens/pests, activates specific defensive and growth responses. Our current understanding of how these alterations of CWI are perceived by the wall monitoring systems is scarce and few plant sensors/PRRs and DAMPs have been characterized. The identification of these CWI sensors and PRR-DAMP pairs will help us to understand the immune functions of the wall monitoring system, and might allow the breeding of crop varieties and the design of agricultural strategies that would enhance crop disease resistance.
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Affiliation(s)
- Laura Bacete
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM) - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus de Montegancedo UPM, 28223, Pozuelo de Alarcón, Madrid, Spain
- Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaría y de Biosistemas, UPM, 28040, Madrid, Spain
| | - Hugo Mélida
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM) - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus de Montegancedo UPM, 28223, Pozuelo de Alarcón, Madrid, Spain
| | - Eva Miedes
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM) - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus de Montegancedo UPM, 28223, Pozuelo de Alarcón, Madrid, Spain
- Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaría y de Biosistemas, UPM, 28040, Madrid, Spain
| | - Antonio Molina
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM) - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus de Montegancedo UPM, 28223, Pozuelo de Alarcón, Madrid, Spain
- Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaría y de Biosistemas, UPM, 28040, Madrid, Spain
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