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Amas JC, Bayer PE, Hong Tan W, Tirnaz S, Thomas WJW, Edwards D, Batley J. Comparative pangenome analyses provide insights into the evolution of Brassica rapa resistance gene analogues (RGAs). Plant Biotechnol J 2023; 21:2100-2112. [PMID: 37431308 PMCID: PMC10502758 DOI: 10.1111/pbi.14116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 06/11/2023] [Accepted: 06/22/2023] [Indexed: 07/12/2023]
Abstract
Brassica rapa is grown worldwide as economically important vegetable and oilseed crop. However, its production is challenged by yield-limiting pathogens. The sustainable control of these pathogens mainly relies on the deployment of genetic resistance primarily driven by resistance gene analogues (RGAs). While several studies have identified RGAs in B. rapa, these were mainly based on a single genome reference and do not represent the full range of RGA diversity in B. rapa. In this study, we utilized the B. rapa pangenome, constructed from 71 lines encompassing 12 morphotypes, to describe a comprehensive repertoire of RGAs in B. rapa. We show that 309 RGAs were affected by presence-absence variation (PAV) and 223 RGAs were missing from the reference genome. The transmembrane leucine-rich repeat (TM-LRR) RGA class had more core gene types than variable genes, while the opposite was observed for nucleotide-binding site leucine-rich repeats (NLRs). Comparative analysis with the B. napus pangenome revealed significant RGA conservation (93%) between the two species. We identified 138 candidate RGAs located within known B. rapa disease resistance QTL, of which the majority were under negative selection. Using blackleg gene homologues, we demonstrated how these genes in B. napus were derived from B. rapa. This further clarifies the genetic relationship of these loci, which may be useful in narrowing-down candidate blackleg resistance genes. This study provides a novel genomic resource towards the identification of candidate genes for breeding disease resistance in B. rapa and its relatives.
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Affiliation(s)
- Junrey C. Amas
- School of Biological Sciences and the Institute of AgricultureThe University of Western AustraliaCrawleyWAAustralia
| | - Philipp E. Bayer
- School of Biological Sciences and the Institute of AgricultureThe University of Western AustraliaCrawleyWAAustralia
| | - Wei Hong Tan
- School of Biological Sciences and the Institute of AgricultureThe University of Western AustraliaCrawleyWAAustralia
| | - Soodeh Tirnaz
- School of Biological Sciences and the Institute of AgricultureThe University of Western AustraliaCrawleyWAAustralia
| | - William J. W. Thomas
- School of Biological Sciences and the Institute of AgricultureThe University of Western AustraliaCrawleyWAAustralia
| | - David Edwards
- School of Biological Sciences and the Centre for Applied BioinformaticsThe University of Western AustraliaCrawleyWAAustralia
| | - Jacqueline Batley
- School of Biological Sciences and the Institute of AgricultureThe University of Western AustraliaCrawleyWAAustralia
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2
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Peng Y, Jiang S, Wang J, Xu X, Gong X, Jin W, Song C, Dong Z, Sun S, Li Y, Yu H. Control of lateral root initiation by DA3 in Arabidopsis. Cell Rep 2023; 42:111913. [PMID: 36640335 DOI: 10.1016/j.celrep.2022.111913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 11/02/2022] [Accepted: 12/12/2022] [Indexed: 12/31/2022] Open
Abstract
Lateral root (LR) initiation is controlled by the pericycle and the neighboring endodermis in Arabidopsis. Here, we demonstrate that UBIQUITIN-SPECIFIC PROTEASE14/DA3 regulates LR initiation by modulating auxin signaling in the pericycle and endodermis. DA3 negatively affects the mRNA and protein levels of AUXIN RESPONSE FACTOR7 (ARF7) and ARF19 in the pericycle and endodermis but positively regulates the protein stability of SHORT HYPOCOTYL 2 (SHY2/IAA3), an auxin signaling repressor, in the endodermis. We show that DA3 interacts with ARF7 and ARF19, inhibiting their binding to the locus of LATERAL ORGAN BOUNDARY DOMAIN16 (LBD16) to repress its expression in the pericycle. SHY2 also interacts with ARF7 and ARF19 in the endodermis and enhances the DA3 repressive effect on ARF7 and ARF19, thus modulating LBD16 expression in the pericycle. Overall, our findings show that DA3 acts with SHY2, ARF7, and ARF19 to coordinate auxin signaling in the pericycle and endodermis to control LR initiation in Arabidopsis.
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Ogrodowicz P, Mikołajczak K, Kempa M, Mokrzycka M, Krajewski P, Kuczyńska A. Genome-wide association study of agronomical and root-related traits in spring barley collection grown under field conditions. Front Plant Sci 2023; 14:1077631. [PMID: 36760640 PMCID: PMC9902773 DOI: 10.3389/fpls.2023.1077631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 01/06/2023] [Indexed: 06/18/2023]
Abstract
The root system is a key component for plant survival and productivity. In particular, under stress conditions, developing plants with a better root architecture can ensure productivity. The objectives of this study were to investigate the phenotypic variation of selected root- and yield-related traits in a diverse panel of spring barley genotypes. By performing a genome-wide association study (GWAS), we identified several associations underlying the variations occurring in root- and yield-related traits in response to natural variations in soil moisture. Here, we report the results of the GWAS based on both individual single-nucleotide polymorphism markers and linkage disequilibrium (LD) blocks of markers for 11 phenotypic traits related to plant morphology, grain quality, and root system in a group of spring barley accessions grown under field conditions. We also evaluated the root structure of these accessions by using a nondestructive method based on electrical capacitance. The results showed the importance of two LD-based blocks on chromosomes 2H and 7H in the expression of root architecture and yield-related traits. Our results revealed the importance of the region on the short arm of chromosome 2H in the expression of root- and yield-related traits. This study emphasized the pleiotropic effect of this region with respect to heading time and other important agronomic traits, including root architecture. Furthermore, this investigation provides new insights into the roles played by root traits in the yield performance of barley plants grown under natural conditions with daily variations in soil moisture content.
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Zhang Y, Yin Z, Pi L, Wang N, Wang J, Peng H, Dou D. A Nicotiana benthamiana receptor-like kinase regulates Phytophthora resistance by coupling with BAK1 to enhance elicitin-triggered immunity. J Integr Plant Biol 2023. [PMID: 36661038 DOI: 10.1111/jipb.13458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 01/19/2023] [Indexed: 06/17/2023]
Abstract
Cell-surface-localized leucine-rich-repeat receptor-like kinases (LRR-RLKs) are crucial for plant immunity. Most LRR-RLKs that act as receptors directly recognize ligands via a large extracellular domain (ECD), whereas LRR-RLK that serve as regulators are relatively small and contain fewer LRRs. Here, we identified LRR-RLK regulators using high-throughput tobacco rattle virus (TRV)-based gene silencing in the model plant Nicotiana benthamiana. We used the cell-death phenotype caused by INF1, an oomycete elicitin that induces pattern-triggered immunity, as an indicator. By screening 33 small LRR-RLKs (≤6 LRRs) of unknown function, we identified ELICITIN INSENSITIVE RLK 1 (NbEIR1) as a positive regulator of INF1-induced immunity and oomycete resistance. Nicotiana benthamiana mutants of eir1 generated by CRISPR/Cas9-editing showed significantly compromised immune responses to INF1 and were more vulnerable to the oomycete pathogen Phytophthora capsici. NbEIR1 associates with BRI1-ASSOCIATED RECEPTOR KINASE 1 (NbBAK1) and a downstream component, BRASSINOSTEROID-SIGNALING KINASE 1 (NbBSK1). NbBSK1 also contributes to INF1-induced defense and P. capsici resistance. Upon INF1 treatment, NbEIR1 was released from NbBAK1 and NbBSK1 in vivo. Moreover, the silencing of NbBSK1 compromised the association of NbEIR1 with NbBAK1. We also showed that NbEIR1 regulates flg22-induced immunity and associates with its receptor, FLAGELLIN SENSING 2 (NbFLS2). Collectively, our results suggest that NbEIR1 is a novel regulatory element for BAK1-dependent immunity. NbBSK1-NbEIR1 association is required for maintaining the NbEIR1/NbBAK1 complex in the resting state.
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Affiliation(s)
- Yifan Zhang
- College of Plant Protection, China Agricultural University, Beijing, 100094, China
| | - Zhiyuan Yin
- College of Plant Protection, China Agricultural University, Beijing, 100094, China
- College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China
| | - Lei Pi
- College of Plant Protection, China Agricultural University, Beijing, 100094, China
| | - Nan Wang
- College of Plant Protection, China Agricultural University, Beijing, 100094, China
- Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, China
| | - Jinghao Wang
- College of Plant Protection, China Agricultural University, Beijing, 100094, China
| | - Hao Peng
- Department of Plant Pathology, Washington State University, Pullman, Washington, 99164, USA
| | - Daolong Dou
- College of Plant Protection, China Agricultural University, Beijing, 100094, China
- College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China
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Silva JCF, Ferreira MA, Carvalho TFM, Silva FF, de A. Silveira S, Brommonschenkel SH, Fontes EPB. RLPredictiOme, a Machine Learning-Derived Method for High-Throughput Prediction of Plant Receptor-like Proteins, Reveals Novel Classes of Transmembrane Receptors. Int J Mol Sci 2022; 23:ijms232012176. [PMID: 36293031 PMCID: PMC9603095 DOI: 10.3390/ijms232012176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 10/08/2022] [Accepted: 10/09/2022] [Indexed: 11/16/2022] Open
Abstract
Cell surface receptors play essential roles in perceiving and processing external and internal signals at the cell surface of plants and animals. The receptor-like protein kinases (RLK) and receptor-like proteins (RLPs), two major classes of proteins with membrane receptor configuration, play a crucial role in plant development and disease defense. Although RLPs and RLKs share a similar single-pass transmembrane configuration, RLPs harbor short divergent C-terminal regions instead of the conserved kinase domain of RLKs. This RLP receptor structural design precludes sequence comparison algorithms from being used for high-throughput predictions of the RLP family in plant genomes, as has been extensively performed for RLK superfamily predictions. Here, we developed the RLPredictiOme, implemented with machine learning models in combination with Bayesian inference, capable of predicting RLP subfamilies in plant genomes. The ML models were simultaneously trained using six types of features, along with three stages to distinguish RLPs from non-RLPs (NRLPs), RLPs from RLKs, and classify new subfamilies of RLPs in plants. The ML models achieved high accuracy, precision, sensitivity, and specificity for predicting RLPs with relatively high probability ranging from 0.79 to 0.99. The prediction of the method was assessed with three datasets, two of which contained leucine-rich repeats (LRR)-RLPs from Arabidopsis and rice, and the last one consisted of the complete set of previously described Arabidopsis RLPs. In these validation tests, more than 90% of known RLPs were correctly predicted via RLPredictiOme. In addition to predicting previously characterized RLPs, RLPredictiOme uncovered new RLP subfamilies in the Arabidopsis genome. These include probable lipid transfer (PLT)-RLP, plastocyanin-like-RLP, ring finger-RLP, glycosyl-hydrolase-RLP, and glycerophosphoryldiester phosphodiesterase (GDPD, GDPDL)-RLP subfamilies, yet to be characterized. Compared to the only Arabidopsis GDPDL-RLK, molecular evolution studies confirmed that the ectodomain of GDPDL-RLPs might have undergone a purifying selection with a predominance of synonymous substitutions. Expression analyses revealed that predicted GDPGL-RLPs display a basal expression level and respond to developmental and biotic signals. The results of these biological assays indicate that these subfamily members have maintained functional domains during evolution and may play relevant roles in development and plant defense. Therefore, RLPredictiOme provides a framework for genome-wide surveys of the RLP superfamily as a foundation to rationalize functional studies of surface receptors and their relationships with different biological processes.
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Affiliation(s)
- Jose Cleydson F. Silva
- National Institute of Science and Technology in Plant-Pest Interactions, Bioagro, Viçosa 36570-900, Brazil
| | - Marco Aurélio Ferreira
- Departament of Biochemistry and Molecular Biology, Universidade Federal de Viçosa, Viçosa 36570-900, Brazil
| | - Thales F. M. Carvalho
- Institute of Engineering, Science and Technology, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Janaúba 39447-814, Brazil
| | - Fabyano F. Silva
- Departament of Animal Science, Universidade Federal de Viçosa, Viçosa 36570-900, Brazil
| | - Sabrina de A. Silveira
- Department of Computer Science, Universidade Federal de Viçosa, Viçosa 36570-900, Brazil
| | | | - Elizabeth P. B. Fontes
- Departament of Biochemistry and Molecular Biology, Universidade Federal de Viçosa, Viçosa 36570-900, Brazil
- Correspondence:
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Soltabayeva A, Dauletova N, Serik S, Sandybek M, Omondi JO, Kurmanbayeva A, Srivastava S. Receptor-like Kinases (LRR-RLKs) in Response of Plants to Biotic and Abiotic Stresses. Plants (Basel) 2022; 11:plants11192660. [PMID: 36235526 PMCID: PMC9572924 DOI: 10.3390/plants11192660] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 09/30/2022] [Accepted: 10/01/2022] [Indexed: 05/14/2023]
Abstract
Plants live under different biotic and abiotic stress conditions, and, to cope with the adversity and severity, plants have well-developed resistance mechanisms. The mechanism starts with perception of the stimuli followed by molecular, biochemical, and physiological adaptive measures. The family of LRR-RLKs (leucine-rich repeat receptor-like kinases) is one such group that perceives biotic and abiotic stimuli and also plays important roles in different biological processes of development. This has been mostly studied in the model plant, Arabidopsis thaliana, and to some extent in other plants, such as Solanum lycopersicum, Nicotiana benthamiana, Brassica napus, Oryza sativa, Triticum aestivum, Hordeum vulgare, Brachypodium distachyon, Medicago truncatula, Gossypium barbadense, Phaseolus vulgaris, Solanum tuberosum, and Malus robusta. Most LRR-RLKs tend to form different combinations of LRR-RLKs-complexes (dimer, trimer, and tetramers), and some of them were observed as important receptors in immune responses, cell death, and plant development processes. However, less is known about the function(s) of LRR-RLKs in response to abiotic and biotic stresses. Here, we give recent updates about LRR-RLK receptors, specifically focusing on their involvement in biotic and abiotic stresses in the model plant, A. thaliana. Furthermore, the recent studies on LRR-RLKs that are homologous in other plants is also reviewed in relation to their role in triggering stress response processes against biotic and abiotic stimuli and/or in exploring their additional function(s). Furthermore, we present the interactions and combinations among LRR-RLK receptors that have been confirmed through experiments. Moreover, based on GENEINVESTIGATOR microarray database analysis, we predict some potential LRR-RLK genes involved in certain biotic and abiotic stresses whose function and mechanism may be explored.
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Affiliation(s)
- Aigerim Soltabayeva
- Biology Department, School of Science and Humanities, Nazarbayev University, Astana 010000, Kazakhstan
- Correspondence:
| | - Nurbanu Dauletova
- Biology Department, School of Science and Humanities, Nazarbayev University, Astana 010000, Kazakhstan
| | - Symbat Serik
- Biology Department, School of Science and Humanities, Nazarbayev University, Astana 010000, Kazakhstan
| | - Margulan Sandybek
- Biology Department, School of Science and Humanities, Nazarbayev University, Astana 010000, Kazakhstan
| | - John Okoth Omondi
- International Institute of Tropical Agriculture, Lilongwe P.O. Box 30258, Malawi
| | - Assylay Kurmanbayeva
- Department of Biotechnology and Microbiology, L.N. Gumilyov Eurasian National University, Astana 010000, Kazakhstan
| | - Sudhakar Srivastava
- NCS-TCP, National Institute of Plant Genome Research, New Delhi 110067, India
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Shi H, Li X, Lv M, Li J. BES1/BZR1 Family Transcription Factors Regulate Plant Development via Brassinosteroid-Dependent and Independent Pathways. Int J Mol Sci 2022; 23:ijms231710149. [PMID: 36077547 PMCID: PMC9478962 DOI: 10.3390/ijms231710149] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 08/28/2022] [Accepted: 08/30/2022] [Indexed: 01/04/2023] Open
Abstract
The BES1/BZR1 family is a plant-specific small group of transcription factors possessing a non-canonical bHLH domain. Genetic and biochemical analyses within the last two decades have demonstrated that members of this family are key transcription factors in regulating the expression of brassinosteroid (BR) response genes. Several recent genetic and evolutionary studies, however, have clearly indicated that the BES1/BZR1 family transcription factors also function in regulating several aspects of plant development via BR-independent pathways, suggesting they are not BR specific. In this review, we summarize our current understanding of this family of transcription factors, the mechanisms regulating their activities, DNA binding motifs, and target genes. We selectively discuss a number of their biological functions via BR-dependent and particularly independent pathways, which were recently revealed by loss-of-function genetic analyses. We also highlight a few possible future directions.
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Invernizzi M, Hanemian M, Keller J, Libourel C, Roby D. PERKing up our understanding of the proline-rich extensin-like receptor kinases, a forgotten plant receptor kinase family. New Phytol 2022; 235:875-884. [PMID: 35451507 DOI: 10.1111/nph.18166] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 04/12/2022] [Indexed: 06/14/2023]
Abstract
Proline-rich extensin-like receptor kinases (PERKs) are an important class of receptor-like kinases (RLKs) containing an extracellular proline-rich domain. While they are thought to be putative sensors of the cell wall integrity, there are very few reports on their biological functions in the plant, as compared with other RLKs. Several studies support a role for PERKs in plant growth and development, but their effect on the cell wall composition to regulate cell expansion is still lacking. Gene expression data suggest that they may intervene in response to environmental changes, in agreement with their subcellular localization. And there is growing evidence for PERKs as novel sensors of environmental stresses such as insects and viruses. However, little is known about their precise role in plant immunity and in the extracellular network of RLKs, as no PERK-interacting RLK or any coreceptor has been identified as yet. Similarly, their signaling activities and downstream signaling components are just beginning to be deciphered, including Ca2+ fluxes, reactive oxygen species accumulation and phosphorylation events. Here we outline emerging roles for PERKs as novel sensors of environmental stresses, and we discuss how to better understand this overlooked class of receptor kinases via several avenues of research.
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Affiliation(s)
- Marie Invernizzi
- Laboratoire des Interactions Plantes-Microbes-Environnement, Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement, CNRS, Université de Toulouse, 31326, Castanet-Tolosan, France
| | - Mathieu Hanemian
- Laboratoire des Interactions Plantes-Microbes-Environnement, Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement, CNRS, Université de Toulouse, 31326, Castanet-Tolosan, France
| | - Jean Keller
- Laboratoire de Recherche en Sciences Végétales (LRSV), CNRS, UPS, INP Toulouse, Université de Toulouse, 31326, Castanet-Tolosan, France
| | - Cyril Libourel
- Laboratoire de Recherche en Sciences Végétales (LRSV), CNRS, UPS, INP Toulouse, Université de Toulouse, 31326, Castanet-Tolosan, France
| | - Dominique Roby
- Laboratoire des Interactions Plantes-Microbes-Environnement, Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement, CNRS, Université de Toulouse, 31326, Castanet-Tolosan, France
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Anandan A, Panda S, Sabarinathan S, Travis AJ, Norton GJ, Price AH. Superior Haplotypes for Early Root Vigor Traits in Rice Under Dry Direct Seeded Low Nitrogen Condition Through Genome Wide Association Mapping. Front Plant Sci 2022; 13:911775. [PMID: 35874029 PMCID: PMC9305665 DOI: 10.3389/fpls.2022.911775] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Accepted: 05/13/2022] [Indexed: 06/14/2023]
Abstract
Water and land resources have been aggressively exploited in the recent decades to meet the growing demands for food. The changing climate has prompted rice scientists and farmers of the tropics and subtropics to adopt the direct seeded rice (DSR) system. DSR system of rice cultivation significantly reduces freshwater consumption and labor requirements, while increasing system productivity, resource use efficiency, and reducing greenhouse gas emissions. Early root vigor is an essential trait required in an ideal DSR system of rice cultivation to ensure a good crop stand, adequate uptake of water, nutrients and compete with weeds. The aus subpopulation which is adapted for DSR was evaluated to understand the biology of early root growth under limited nitrogen conditions over two seasons under two-time points (14 and 28 days). The correlation study identified a positive association between shoot dry weight and root dry weight. The genome-wide association study was conducted on root traits of 14 and 28 days with 2 million single-nucleotide polymorphisms (SNPs) using an efficient mixed model. QTLs over a significant threshold of p < 0.0001 and a 10% false discovery rate were selected to identify genes involved in root growth related to root architecture and nutrient acquisition from 97 QTLs. Candidate genes under these QTLs were explored. On chromosome 4, around 30 Mbp are two important peptide transporters (PTR5 and PTR6) involved in mobilizing nitrogen in the root during the early vegetative stage. In addition, several P transporters and expansin genes with superior haplotypes are discussed. A novel QTL from 21.12 to 21.46 Mb on chromosome 7 with two linkage disequilibrium (LD) blocks governing root length at 14 days were identified. The QTLs/candidate genes with superior haplotype for early root vigor reported here could be explored further to develop genotypes for DSR conditions.
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Affiliation(s)
- Annamalai Anandan
- Crop Improvement Division, Indian Council of Agricultural Research (ICAR)-National Rice Research Institute (NRRI), Cuttack, India
- Indian Council of Agricultural Research (ICAR)-Indian Institute of Seed Science (IISS), Bengaluru, India
| | - Siddharth Panda
- Crop Improvement Division, Indian Council of Agricultural Research (ICAR)-National Rice Research Institute (NRRI), Cuttack, India
- Department of Plant Breeding and Genetics, Odisha University of Agriculture & Technology, Bhubaneswar, India
| | - S. Sabarinathan
- Crop Improvement Division, Indian Council of Agricultural Research (ICAR)-National Rice Research Institute (NRRI), Cuttack, India
| | - Anthony J. Travis
- School of Biological Sciences, University of Aberdeen, Aberdeen, United Kingdom
| | - Gareth J. Norton
- School of Biological Sciences, University of Aberdeen, Aberdeen, United Kingdom
| | - Adam H. Price
- School of Biological Sciences, University of Aberdeen, Aberdeen, United Kingdom
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10
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Li X, Zhang J, Shi H, Li B, Li J. Rapid responses: Receptor-like kinases directly regulate the functions of membrane transport proteins in plants. J Integr Plant Biol 2022; 64:1303-1309. [PMID: 35546272 DOI: 10.1111/jipb.13274] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 05/09/2022] [Indexed: 06/15/2023]
Abstract
Receptor-like kinases (RLKs) are a large group of plant-specific transmembrane proteins mainly acting as receptors or co-receptors of various extracellular signals. They usually turn extracellular signals into intracellular responses via altering gene expression profiles. However, recent studies confirmed that many RLKs can physically interact with diverse membrane-localized transport proteins and regulate their activities for speedy responses in limited tissues or cells. In this minireview, we highlight recent discoveries regarding how RLKs can work with membrane transport proteins collaboratively and thereby trigger cellular responses in a precise and rapid manner. It is anticipated that such regulation broadly presents in plants and more examples will be gradually revealed when in-depth analyses are conducted for the functions of RLKs.
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Affiliation(s)
- Xiaopeng Li
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Jingjie Zhang
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Hongyong Shi
- Guangdong Provincial Key Laboratory of Plant Adaptation and Molecular Design, School of Life Sciences, Guangzhou University, Guangzhou, 510006, China
| | - Bo Li
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Jia Li
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, 730000, China
- Guangdong Provincial Key Laboratory of Plant Adaptation and Molecular Design, School of Life Sciences, Guangzhou University, Guangzhou, 510006, China
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11
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Bai Q, Li C, Wu L, Liu H, Ren H, Li G, Wang Q, Wu G, Zheng B. Engineering Chimeras by Fusing Plant Receptor-like Kinase EMS1 and BRI1 Reveals the Two Receptors' Structural Specificity and Molecular Mechanisms. Int J Mol Sci 2022; 23:ijms23042155. [PMID: 35216268 PMCID: PMC8876890 DOI: 10.3390/ijms23042155] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 02/13/2022] [Accepted: 02/13/2022] [Indexed: 02/04/2023] Open
Abstract
Brassinosteriods (BRs) are plant hormones essential for plant growth and development. The receptor-like kinase (RLK) BRI1 perceives BRs to initiate a well-known transduction pathway which finally activate the transcription factors BZR1/BES1 specifically regulating BR-mediated gene expression. The RLK EMS1 governs tapetum formation via the same signaling pathway shared with BRI1. BRI1 and EMS1 have a common signal output, but the gene structural specificity and the molecular response remain unclear. In this study, we identified that the transmembrane (TM), intracellular juxtamembrane (iJM), kinase, and leucin-rich repeats 1-13 (LRR1-13) domains of EMS1 could replace the corresponding BRI1 domain to maintain the BR receptor function, whereas the extracellular juxtamembrane (eJM) and LRR1-14 domains could not, indicating that the LRR14-EJM domain conferred functional specificity to BRI1. We compared the kinase domains of EMS1 and BRI1, and found that EMS1’s kinase activity was weaker than BRI1’s. Further investigation of the specific phosphorylation sites in BRI1 and EMS1 revealed that the Y1052 site in the kinase domain was essential for the BRI1 biological function, but the corresponding site in EMS1 showed no effect on the biological function of EMS1, suggesting a site regulation difference in the two receptors. Furthermore, we showed that EMS1 shared the substrate BSKs with BRI1. Our study provides insight into the structural specificity and molecular mechanism of BRI1 and EMS1, as well as the origin and divergence of BR receptors.
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Affiliation(s)
- Qunwei Bai
- College of Life Sciences, Shaanxi Normal University, Xi’an 710119, China; (Q.B.); (C.L.); (L.W.); (H.L.); (H.R.); (G.L.); (G.W.)
| | - Chenxi Li
- College of Life Sciences, Shaanxi Normal University, Xi’an 710119, China; (Q.B.); (C.L.); (L.W.); (H.L.); (H.R.); (G.L.); (G.W.)
| | - Lei Wu
- College of Life Sciences, Shaanxi Normal University, Xi’an 710119, China; (Q.B.); (C.L.); (L.W.); (H.L.); (H.R.); (G.L.); (G.W.)
| | - Huan Liu
- College of Life Sciences, Shaanxi Normal University, Xi’an 710119, China; (Q.B.); (C.L.); (L.W.); (H.L.); (H.R.); (G.L.); (G.W.)
| | - Hongyan Ren
- College of Life Sciences, Shaanxi Normal University, Xi’an 710119, China; (Q.B.); (C.L.); (L.W.); (H.L.); (H.R.); (G.L.); (G.W.)
| | - Guishuang Li
- College of Life Sciences, Shaanxi Normal University, Xi’an 710119, China; (Q.B.); (C.L.); (L.W.); (H.L.); (H.R.); (G.L.); (G.W.)
| | - Qiuling Wang
- Key Laboratory of Cell Activities and Stress Adaptations, Ministry of Education, School of Life Sciences, Lanzhou University, Lanzhou 730000, China;
| | - Guang Wu
- College of Life Sciences, Shaanxi Normal University, Xi’an 710119, China; (Q.B.); (C.L.); (L.W.); (H.L.); (H.R.); (G.L.); (G.W.)
| | - Bowen Zheng
- College of Life Sciences, Shaanxi Normal University, Xi’an 710119, China; (Q.B.); (C.L.); (L.W.); (H.L.); (H.R.); (G.L.); (G.W.)
- Correspondence: ; Tel.: +86-15102902460
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12
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Xu K, Jourquin J, Njo MF, Nguyen L, Beeckman T, Fernandez AI. The Phloem Intercalated With Xylem-Correlated 3 Receptor-Like Kinase Constitutively Interacts With Brassinosteroid Insensitive 1-Associated Receptor Kinase 1 and Is Involved in Vascular Development in Arabidopsis. Front Plant Sci 2022; 12:706633. [PMID: 35087541 PMCID: PMC8786740 DOI: 10.3389/fpls.2021.706633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 12/13/2021] [Indexed: 06/14/2023]
Abstract
Leucine-rich repeat receptor-like kinases (LRR-RLKs) play fundamental roles in cell-to-cell and plant-environment communication. LRR-RLKs can function as receptors perceiving endogenous or external ligands, or as coreceptors, which stabilize the complex, and enhance transduction of the intracellular signal. The LRR-RLK BAK1 is a coreceptor for different developmental and immunity pathways. In this article, we identified PXY-CORRELATED 3 (PXC3) as a BAK1-interacting LRR-RLK, which was previously reported to be transcribed in vascular tissues co-expressed with PHLOEM INTERCALATED WITH XYLEM (PXY), the receptor of the TDIF/CLE41 peptide. Characterization of pxc3 loss-of-function mutants revealed reduced hypocotyl stele width and vascular cells compared to wild type, indicating that PXC3 plays a role in the vascular development in Arabidopsis. Furthermore, our data suggest that PXC3 might function as a positive regulator of the CLE41/TDIF-TDR/PXY signaling pathway.
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Affiliation(s)
- Ke Xu
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent, Belgium
- VIB Center for Plant Systems Biology, Ghent, Belgium
| | - Joris Jourquin
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent, Belgium
- VIB Center for Plant Systems Biology, Ghent, Belgium
| | - Maria Fransiska Njo
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent, Belgium
- VIB Center for Plant Systems Biology, Ghent, Belgium
| | - Long Nguyen
- Screening Core, VIB, Ghent, Belgium
- Centre for Bioassay Development and Screening (C-BIOS), Ghent University, Ghent, Belgium
| | - Tom Beeckman
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent, Belgium
- VIB Center for Plant Systems Biology, Ghent, Belgium
| | - Ana Ibis Fernandez
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent, Belgium
- VIB Center for Plant Systems Biology, Ghent, Belgium
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13
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Bazihizina N, Vita F, Balestrini R, Kiferle C, Caparrotta S, Ghignone S, Atzori G, Mancuso S, Shabala S. Early signalling processes in roots play a crucial role in the differential salt tolerance in contrasting Chenopodium quinoa accessions. J Exp Bot 2022; 73:292-306. [PMID: 34436573 DOI: 10.1093/jxb/erab388] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 08/23/2021] [Indexed: 06/13/2023]
Abstract
Significant variation in epidermal bladder cell (EBC) density and salt tolerance (ST) exists amongst quinoa accessions, suggesting that salt sequestration in EBCs is not the only mechanism conferring ST in this halophyte. In order to reveal other traits that may operate in tandem with salt sequestration in EBCs and whether these additional tolerance mechanisms acted mainly at the root or shoot level, two quinoa (Chenopodium quinoa) accessions with contrasting ST and EBC densities (Q30, low ST with high EBC density versus Q68, with high ST and low EBC density) were studied. The results indicate that responses in roots, rather than in shoots, contributed to the greater ST in the accession with low EBC density. In particular, the tolerant accession had improved root plasma membrane integrity and K+ retention in the mature root zone in response to salt. Furthermore, superior ST in the tolerant Q68 was associated with faster and root-specific H2O2 accumulation and reactive oxygen species-induced K+ and Ca2+ fluxes in the root apex within 30 min after NaCl application. This was found to be associated with the constitutive up-regulation of the membrane-localized receptor kinases regulatory protein FERONIA in the tolerant accession. Taken together, this study shows that differential root signalling events upon salt exposure are essential for the halophytic quinoa; the failure to do this limits quinoa adaptation to salinity, independently of salt sequestration in EBCs.
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Affiliation(s)
- Nadia Bazihizina
- Department of Agrifood Production and Environmental Sciences, Università degli Studi di Firenze, Florence, Italy
- Tasmanian Institute of Agriculture, University of Tasmania, Hobart, TAS, Australia
| | - Federico Vita
- Department of Agrifood Production and Environmental Sciences, Università degli Studi di Firenze, Florence, Italy
| | - Raffaella Balestrini
- National Research Council, Institute for Sustainable Plant Protection, Turin, Italy
| | - Claudia Kiferle
- Plantlab, Institute of Life Sciences, Sant'Anna School of Advanced Studies, Pisa, Italy
| | - Stefania Caparrotta
- Department of Agrifood Production and Environmental Sciences, Università degli Studi di Firenze, Florence, Italy
| | - Stefano Ghignone
- National Research Council, Institute for Sustainable Plant Protection, Turin, Italy
| | - Giulia Atzori
- Department of Agrifood Production and Environmental Sciences, Università degli Studi di Firenze, Florence, Italy
| | - Stefano Mancuso
- Department of Agrifood Production and Environmental Sciences, Università degli Studi di Firenze, Florence, Italy
| | - Sergey Shabala
- Tasmanian Institute of Agriculture, University of Tasmania, Hobart, TAS, Australia
- International Research Centre for Environmental Membrane Biology, Foshan University, Foshan, China
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14
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Zhang Z, Ma W, Ren Z, Wang X, Zhao J, Pei X, Liu Y, He K, Zhang F, Huo W, Li W, Yang D, Ma X. Characterization and expression analysis of wall-associated kinase (WAK) and WAK-like family in cotton. Int J Biol Macromol 2021; 187:867-879. [PMID: 34339786 DOI: 10.1016/j.ijbiomac.2021.07.163] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 06/07/2021] [Accepted: 07/26/2021] [Indexed: 11/17/2022]
Abstract
The wall-associated kinases (WAKs) and WAK-like kinases (WAKLs) form a group of receptor-like kinases (RLKs) with extracellular domains tightly linked to the cell wall. The WAKs/WAKLs have been known to be involved in plant growth, development, and stress responses. However, the functions of WAKs/WAKLs are less well known in cotton. In this study, 58, 66, and 99 WAK/WAKL genes were identified in Gossypium arboreum, G. raimondii, and G. hirsutum, respectively. Phylogenetic analysis showed they were classified into five groups, with two groups specific to cotton. Collinearity analysis revealed that segmental and tandem duplications resulted in expansion of the WAK/WAKL gene family in cotton. Moreover, the Ka/Ks ratios indicated this family was exposed to purifying selection pressure during evolution. The structures of the GhWAK/WAKL genes and encoded proteins suggested the functions of WAKs/WAKLs in cotton were conserved. Transient expression of four WAK/WAKL-GFP fusion constructs in Arabidopsis protoplasts indicated that they were localized on the plasma membrane. The cis-elements in the GhWAK/WAKL promoters were responsive to multiple phytohormones and abiotic stresses. Expression profiling showed that GhWAK/WAKL genes were induced by various abiotic stresses. This study provides insights into the evolution of WAK/WAKL genes and presents fundamental information for further analysis in cotton.
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Affiliation(s)
- Zhiqiang Zhang
- State Key Laboratory of Cotton Biology, Key Laboratory of Biological and Genetic Breeding of Cotton of the Ministry of Agriculture and Rural Affairs, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China; National Key Laboratory of Crop Genetic Improvement, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Wenyu Ma
- State Key Laboratory of Cotton Biology, Key Laboratory of Biological and Genetic Breeding of Cotton of the Ministry of Agriculture and Rural Affairs, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Zhongying Ren
- State Key Laboratory of Cotton Biology, Key Laboratory of Biological and Genetic Breeding of Cotton of the Ministry of Agriculture and Rural Affairs, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Xingxing Wang
- State Key Laboratory of Cotton Biology, Key Laboratory of Biological and Genetic Breeding of Cotton of the Ministry of Agriculture and Rural Affairs, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Junjie Zhao
- State Key Laboratory of Cotton Biology, Key Laboratory of Biological and Genetic Breeding of Cotton of the Ministry of Agriculture and Rural Affairs, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Xiaoyu Pei
- State Key Laboratory of Cotton Biology, Key Laboratory of Biological and Genetic Breeding of Cotton of the Ministry of Agriculture and Rural Affairs, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Yangai Liu
- State Key Laboratory of Cotton Biology, Key Laboratory of Biological and Genetic Breeding of Cotton of the Ministry of Agriculture and Rural Affairs, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Kunlun He
- State Key Laboratory of Cotton Biology, Key Laboratory of Biological and Genetic Breeding of Cotton of the Ministry of Agriculture and Rural Affairs, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Fei Zhang
- State Key Laboratory of Cotton Biology, Key Laboratory of Biological and Genetic Breeding of Cotton of the Ministry of Agriculture and Rural Affairs, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Wenqi Huo
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, Zhengzhou University, Zhengzhou 450001, China
| | - Wei Li
- State Key Laboratory of Cotton Biology, Key Laboratory of Biological and Genetic Breeding of Cotton of the Ministry of Agriculture and Rural Affairs, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China; Zhengzhou Research Base, State Key Laboratory of Cotton Biology, Zhengzhou University, Zhengzhou 450001, China.
| | - Daigang Yang
- State Key Laboratory of Cotton Biology, Key Laboratory of Biological and Genetic Breeding of Cotton of the Ministry of Agriculture and Rural Affairs, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China; National Key Laboratory of Crop Genetic Improvement, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; Zhengzhou Research Base, State Key Laboratory of Cotton Biology, Zhengzhou University, Zhengzhou 450001, China.
| | - Xiongfeng Ma
- State Key Laboratory of Cotton Biology, Key Laboratory of Biological and Genetic Breeding of Cotton of the Ministry of Agriculture and Rural Affairs, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China; Zhengzhou Research Base, State Key Laboratory of Cotton Biology, Zhengzhou University, Zhengzhou 450001, China.
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