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Wang Z, Lei Y, Liao B. Omics-driven advances in the understanding of regulatory landscape of peanut seed development. FRONTIERS IN PLANT SCIENCE 2024; 15:1393438. [PMID: 38766472 PMCID: PMC11099219 DOI: 10.3389/fpls.2024.1393438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 04/18/2024] [Indexed: 05/22/2024]
Abstract
Peanuts (Arachis hypogaea) are an essential oilseed crop known for their unique developmental process, characterized by aerial flowering followed by subterranean fruit development. This crop is polyploid, consisting of A and B subgenomes, which complicates its genetic analysis. The advent and progression of omics technologies-encompassing genomics, transcriptomics, proteomics, epigenomics, and metabolomics-have significantly advanced our understanding of peanut biology, particularly in the context of seed development and the regulation of seed-associated traits. Following the completion of the peanut reference genome, research has utilized omics data to elucidate the quantitative trait loci (QTL) associated with seed weight, oil content, protein content, fatty acid composition, sucrose content, and seed coat color as well as the regulatory mechanisms governing seed development. This review aims to summarize the advancements in peanut seed development regulation and trait analysis based on reference genome-guided omics studies. It provides an overview of the significant progress made in understanding the molecular basis of peanut seed development, offering insights into the complex genetic and epigenetic mechanisms that influence key agronomic traits. These studies highlight the significance of omics data in profoundly elucidating the regulatory mechanisms of peanut seed development. Furthermore, they lay a foundational basis for future research on trait-related functional genes, highlighting the pivotal role of comprehensive genomic analysis in advancing our understanding of plant biology.
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Affiliation(s)
- Zhihui Wang
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences (CAAS), Wuhan, China
- National Key Laboratory of Crop Genetic Improvement, National Center of Crop Molecular Breeding Technology, National Center of Oil Crop Improvement (Wuhan), Huazhong Agricultural University, Wuhan, China
| | - Yong Lei
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences (CAAS), Wuhan, China
| | - Boshou Liao
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences (CAAS), Wuhan, China
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2
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Batool TS, Aslam R, Gul A, Paracha RZ, Ilyas M, De Abreu K, Munir F, Amir R, Williams LE. Genome-wide analysis of heavy metal ATPases (HMAs) in Poaceae species and their potential role against copper stress in Triticum aestivum. Sci Rep 2023; 13:7551. [PMID: 37160901 PMCID: PMC10170112 DOI: 10.1038/s41598-023-32023-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 03/21/2023] [Indexed: 05/11/2023] Open
Abstract
Plants require copper for normal growth and development and have evolved an efficient system for copper management based on transport proteins such as P1B-ATPases, also known as heavy metal ATPases (HMAs). Here, we report HMAs in eleven different Poaceae species, including wheat. Furthermore, the possible role of wheat HMAs in copper stress was investigated. BlastP searches identified 27 HMAs in wheat, and phylogenetic analysis based on the Maximum Likelihood method demonstrated a separation into four distinct clades. Conserved motif analysis, domain identification, gene structure, and transmembrane helices number were also identified for wheat HMAs using computational tools. Wheat seedlings grown hydroponically were subjected to elevated copper and demonstrated toxicity symptoms with effects on fresh weight and changes in expression of selected HMAs TaHMA7, TaHMA8, and TaHMA9 were upregulated in response to elevated copper, suggesting a role in wheat copper homeostasis. Further investigations on these heavy metal pumps can provide insight into strategies for enhancing crop heavy metal tolerance in the face of heavy metal pollution.
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Affiliation(s)
- Tuba Sharf Batool
- Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Pakistan
| | - Roohi Aslam
- Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Pakistan.
| | - Alvina Gul
- Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Pakistan
| | - Rehan Zafar Paracha
- School of Interdisciplinary Engineering & Sciences, National University of Sciences and Technology, Islamabad, Pakistan
| | - Mahnoor Ilyas
- Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Pakistan
| | - Kathryn De Abreu
- School of Biological Sciences, University of Southampton, Southampton, SO17 1BJ, UK
| | - Faiza Munir
- Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Pakistan
| | - Rabia Amir
- Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Pakistan
| | - Lorraine E Williams
- School of Biological Sciences, University of Southampton, Southampton, SO17 1BJ, UK.
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Farthing EC, Henbest KC, Garcia‐Becerra T, Peaston KA, Williams LE. Dissecting the relative contribution of ECA3 and group 8/9 cation diffusion facilitators to manganese homeostasis in Arabidopsis thaliana. PLANT DIRECT 2023; 7:e495. [PMID: 37228331 PMCID: PMC10202827 DOI: 10.1002/pld3.495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 03/14/2023] [Accepted: 03/27/2023] [Indexed: 05/27/2023]
Abstract
Manganese (Mn) is an essential micronutrient for plant growth but becomes toxic when present in excess. A number of Arabidopsis proteins are involved in Mn transport including ECA3, MTPs, and NRAMPs; however, their relative contributions to Mn homeostasis remain to be demonstrated. A major focus here was to clarify the importance of ECA3 in responding to Mn deficiency and toxicity using a range of mutants. We show that ECA3 localizes to the trans-Golgi and plays a major role in response to Mn deficiency with severe effects seen in eca3 nramp1 nramp2 under low Mn supply. ECA3 plays a minor role in Mn-toxicity tolerance, but only when the cis-Golgi-localized MTP11 is non-functional. We also use mutants and overexpressors to determine the relative contributions of MTP members to Mn homeostasis. The trans-Golgi-localized MTP10 plays a role in Mn-toxicity tolerance, but this is only revealed in mutants when MTP8 and MTP11 are non-functional and when overexpressed in mtp11 mutants. MTP8 and MTP10 confer greater Mn-toxicity resistance to the pmr1 yeast mutant than MTP11, and an important role for the first aspartate in the fifth transmembrane domain DxxxD motif is demonstrated. Overall, new insight into the relative influence of key transporters in Mn homeostasis is provided.
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Affiliation(s)
- Emily C. Farthing
- School of Biological SciencesUniversity of SouthamptonSouthamptonHampshireUK
| | - Kate C. Henbest
- School of Biological SciencesUniversity of SouthamptonSouthamptonHampshireUK
| | | | - Kerry A. Peaston
- School of Biological SciencesUniversity of SouthamptonSouthamptonHampshireUK
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Genome-Wide Identification and Characterization of Banana Ca2+-ATPase Genes and Expression Analysis under Different Concentrations of Ca2+ Treatments. Int J Mol Sci 2022; 23:ijms231911914. [PMID: 36233216 PMCID: PMC9570239 DOI: 10.3390/ijms231911914] [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: 08/30/2022] [Revised: 10/03/2022] [Accepted: 10/04/2022] [Indexed: 11/22/2022] Open
Abstract
Ca2+-ATPases have been confirmed to play very important roles in plant growth and development and in stress responses. However, studies on banana (Musa acuminata) Ca2+-ATPases are very limited. In this study, we identified 18 Ca2+-ATPase genes from banana, including 6 P-IIA or ER (Endoplasmic Reticulum) type Ca2+-ATPases (MaEACs) and 12 P-IIB or Auto-Inhibited Ca2+-ATPases (MaACAs). The MaEACs and MaACAs could be further classified into two and three subfamilies, respectively. This classification is well supported by their gene structures, which are encoded by protein motif distributions. The banana Ca2+-ATPases were all predicted to be plasma membrane-located. The promoter regions of banana Ca2+-ATPases contain many cis-acting elements and transcription factor binding sites (TFBS). A gene expression analysis showed that banana Ca2+-ATPases were differentially expressed in different organs. By investigating their expression patterns in banana roots under different concentrations of Ca2+ treatments, we found that most banana Ca2+-ATPase members were highly expressed under 4 mM and 2 mM Ca2+ treatments, but their expression decreased under 1 mM and 0 mM Ca2+ treatments, suggesting that their downregulation might be closely related to reduced Ca accumulation and retarded growth under low Ca2+ and Ca2+ deficiency conditions. Our study will contribute to the understanding of the roles of Ca2+-ATPases in banana growth and Ca management.
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Zhang R, Zhang Z, Wang S, Zhao T, Zhang D, Ma N, Wang Y. Saline-alkali stress tolerance is enhanced by MhPR1 in Malus halliana leaves as shown by transcriptomic analyses. PLANTA 2022; 256:51. [PMID: 35906360 DOI: 10.1007/s00425-022-03940-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 06/10/2022] [Indexed: 06/15/2023]
Abstract
qRT-PCR analysis showed that MhPR1 was strongly induced by saline-alkali stress. Overexpression of MhPR1 enhanced tolerance to saline-alkali stress in transgenic tobacco (Nicotiana tabacum L.) and apple calli. Abstract: Soil salinization seriously threaten apple growth in Northwest loess plateau of China. Malus halliana has developed special system to adapt to saline-alkali environmental stress. To obtain a more detailed understanding of the adaptation mechanisms involved in M. halliana, a transcriptomic approach was used to analyze the leaves' pathways in the stress and its regulatory mechanisms. RNA-Seq showed that among the 16,246 investigated unigenes under saline-alkali stress, 7268 genes were up-regulated and 8978 genes were down-regulated. KEGG analysis indicated that most of the enriched saline-alkali-responsive genes were mainly involved in plant hormone, calcium signal transduction, amino acids, carotenoid and flavonoids biosynthesis, carbon and phenylalanine metabolism, and other secondary metabolites. Expression profile analysis by quantitative real-time PCR confirmed that the maximum up-regulation of MhPR1 under saline-alkali stress was 7.1 folds in leaves. Overexpression of MhPR1 enhanced tolerance to saline-alkali stress in transgenic tobacco (Nicotiana tabacum L.) and apple calli. Taken together, our results demonstrate that MhPR1 encodes a saline-alkali-responsive transcriptional activator and provide valuable information for further study of PR1 functions in apple.
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Affiliation(s)
- Rui Zhang
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, People's Republic of China
| | - Zhongxing Zhang
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, People's Republic of China
| | - Shuangcheng Wang
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, People's Republic of China
| | - Ting Zhao
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, People's Republic of China
| | - De Zhang
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, People's Republic of China
| | - Naiying Ma
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, People's Republic of China
| | - Yanxiu Wang
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, People's Republic of China.
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Ortiz D, Salas-Fernandez MG. Dissecting the genetic control of natural variation in sorghum photosynthetic response to drought stress. JOURNAL OF EXPERIMENTAL BOTANY 2022; 73:3251-3267. [PMID: 34791180 PMCID: PMC9126735 DOI: 10.1093/jxb/erab502] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Accepted: 11/12/2021] [Indexed: 06/13/2023]
Abstract
Drought stress causes crop yield losses worldwide. Sorghum is a C4 species tolerant to moderate drought stress, and its extensive natural variation for photosynthetic traits under water-limiting conditions can be exploited for developing cultivars with enhanced stress tolerance. The objective of this study was to discover genes/genomic regions that control the sorghum photosynthetic capacity under pre-anthesis water-limiting conditions. We performed a genome-wide association study for seven photosynthetic gas exchange and chlorophyll fluorescence traits during three periods of contrasting soil volumetric water content (VWC): control (30% VWC), drought (15% VWC), and recovery (30% VWC). Water stress was imposed with an automated irrigation system that generated a controlled dry-down period for all plants, to perform an unbiased genotypic comparison. A total of 60 genomic regions were associated with natural variation in one or more photosynthetic traits in a particular treatment or with derived variables. We identified 33 promising candidate genes with predicted functions related to stress signaling, oxidative stress protection, hormonal response to stress, and dehydration protection. Our results provide new knowledge about the natural variation and genetic control of sorghum photosynthetic response to drought with the ultimate goal of improving its adaptation and productivity under water stress scenarios.
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Affiliation(s)
- Diego Ortiz
- Department of Agronomy, Iowa State University, Ames, IA 50011, USA
- Instituto Nacional de Tecnologia Agropecuaria, Manfredi, Cordoba 5988, Argentina
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Wang J, Fu X, Zhang S, Chen G, Li S, Shangguan T, Zheng Y, Xu F, Chen ZH, Xu S. Evolutionary and Regulatory Pattern Analysis of Soybean Ca 2+ ATPases for Abiotic Stress Tolerance. FRONTIERS IN PLANT SCIENCE 2022; 13:898256. [PMID: 35665149 PMCID: PMC9161174 DOI: 10.3389/fpls.2022.898256] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 05/02/2022] [Indexed: 06/15/2023]
Abstract
P2-type Ca2+ ATPases are responsible for cellular Ca2+ transport, which plays an important role in plant development and tolerance to biotic and abiotic stresses. However, the role of P2-type Ca2+ ATPases in stress response and stomatal regulation is still elusive in soybean. In this study, a total of 12 P2-type Ca2+ ATPases genes (GmACAs and GmECAs) were identified from the genome of Glycine max. We analyzed the evolutionary relationship, conserved motif, functional domain, gene structure and location, and promoter elements of the family. Chlorophyll fluorescence imaging analysis showed that vegetable soybean leaves are damaged to different extents under salt, drought, cold, and shade stresses. Real-time quantitative PCR (RT-qPCR) analysis demonstrated that most of the GmACAs and GmECAs are up-regulated after drought, cold, and NaCl treatment, but are down-regulated after shading stress. Microscopic observation showed that different stresses caused significant stomatal closure. Spatial location and temporal expression analysis suggested that GmACA8, GmACA9, GmACA10, GmACA12, GmACA13, and GmACA11 might promote stomatal closure under drought, cold, and salt stress. GmECA1 might regulate stomatal closure in shading stress. GmACA1 and GmECA3 might have a negative function on cold stress. The results laid an important foundation for further study on the function of P2-type Ca2+ ATPase genes GmACAs and GmECAs for breeding abiotic stress-tolerant vegetable soybean.
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Affiliation(s)
- Jian Wang
- Central Laboratory, State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Xujun Fu
- Central Laboratory, State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Sheng Zhang
- Taizhou Seed Administration Station, Taizhou, China
| | - Guang Chen
- Central Laboratory, State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Sujuan Li
- Central Laboratory, State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Tengwei Shangguan
- College of Agriculture and Food Science, Zhejiang Agriculture and Forestry University, Hangzhou, China
| | - Yuanting Zheng
- Central Laboratory, State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Fei Xu
- Central Laboratory, State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Zhong-Hua Chen
- School of Science, Western Sydney University, Penrith, NSW, Australia
- Hawkesbury Institute for the Environment, Western Sydney University, Penrith, NSW, Australia
| | - Shengchun Xu
- Central Laboratory, State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
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8
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Ahad A, Aslam R, Gul A, Amir R, Munir F, Batool TS, Ilyas M, Sarwar M, Nadeem MA, Baloch FS, Fiaz S, Zia MAB. Genome-wide analysis of bZIP, BBR, and BZR transcription factors in Triticum aestivum. PLoS One 2021; 16:e0259404. [PMID: 34847173 PMCID: PMC8631640 DOI: 10.1371/journal.pone.0259404] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 10/18/2021] [Indexed: 11/18/2022] Open
Abstract
Transcription factors are regulatory proteins known to modulate gene expression. These are the critical component of signaling pathways and help in mitigating various developmental and stress responses. Among them, bZIP, BBR, and BZR transcription factor families are well known to play a crucial role in regulating growth, development, and defense responses. However, limited data is available on these transcription factors in Triticum aestivum. In this study, bZIP, BBR, and BZR sequences from Brachypodium distachyon, Oryza sativa, Oryza barthii, Oryza brachyantha, T. aestivum, Triticum urartu, Sorghum bicolor, Zea mays were retrieved, and dendrograms were constructed to analyze the evolutionary relatedness among them. The sequences clustered into one group indicated a degree of evolutionary correlation highlighting the common lineage of cereal grains. This analysis also exhibited that these genes were highly conserved among studied monocots emphasizing their common ancestry. Furthermore, these transcription factor genes were evaluated for envisaging conserved motifs, gene structure, and subcellular localization in T. aestivum. This comprehensive computational analysis has provided an insight into transcription factor evolution that can also be useful in developing approaches for future functional characterization of these genes in T. aestivum. Furthermore, the data generated can be beneficial in future for genetic manipulation of economically important plants.
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Affiliation(s)
- Arzoo Ahad
- Department of Plant Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Pakistan
| | - Roohi Aslam
- NUTECH School of Applied Sciences and Humanities, National University of Technology, Islamabad, Pakistan
| | - Alvina Gul
- Department of Plant Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Pakistan
| | - Rabia Amir
- Department of Plant Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Pakistan
| | - Faiza Munir
- Department of Plant Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Pakistan
| | - Tuba Sharf Batool
- Department of Plant Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Pakistan
| | - Mahnoor Ilyas
- Department of Plant Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Pakistan
| | - Muhammad Sarwar
- National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad, Pakistan
| | - Muhammad Azhar Nadeem
- Faculty of Agricultural Sciences and Technologies, Sivas University of Science and Technology, Sivas, Turkey
| | - Faheem Shehzad Baloch
- Faculty of Agricultural Sciences and Technologies, Sivas University of Science and Technology, Sivas, Turkey
| | - Sajid Fiaz
- Department of Plant Breeding and Genetics, The University of Haripur, Hyber Pakhtunkhwa, Pakistan
| | - Muhammad Abu Bakar Zia
- College of Agriculture, Bahauddin Zakariya University, Bahadur sub–Campus Layyah, Punjab, Pakistan
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Pottosin I, Olivas-Aguirre M, Dobrovinskaya O, Zepeda-Jazo I, Shabala S. Modulation of Ion Transport Across Plant Membranes by Polyamines: Understanding Specific Modes of Action Under Stress. FRONTIERS IN PLANT SCIENCE 2021; 11:616077. [PMID: 33574826 PMCID: PMC7870501 DOI: 10.3389/fpls.2020.616077] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Accepted: 12/14/2020] [Indexed: 05/20/2023]
Abstract
This work critically discusses the direct and indirect effects of natural polyamines and their catabolites such as reactive oxygen species and γ-aminobutyric acid on the activity of key plant ion-transporting proteins such as plasma membrane H+ and Ca2+ ATPases and K+-selective and cation channels in the plasma membrane and tonoplast, in the context of their involvement in stress responses. Docking analysis predicts a distinct binding for putrescine and longer polyamines within the pore of the vacuolar TPC1/SV channel, one of the key determinants of the cell ionic homeostasis and signaling under stress conditions, and an additional site for spermine, which overlaps with the cytosolic regulatory Ca2+-binding site. Several unresolved problems are summarized, including the correct estimates of the subcellular levels of polyamines and their catabolites, their unexplored effects on nucleotide-gated and glutamate receptor channels of cell membranes and Ca2+-permeable and K+-selective channels in the membranes of plant mitochondria and chloroplasts, and pleiotropic mechanisms of polyamines' action on H+ and Ca2+ pumps.
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Affiliation(s)
- Igor Pottosin
- International Research Centre for Environmental Membrane Biology, Foshan University, Foshan, China
- Biomedical Center, University of Colima, Colima, Mexico
| | | | | | - Isaac Zepeda-Jazo
- Food Genomics Department, Universidad de La Ciénega del Estado de Michoacán de Ocampo, Sahuayo, Mexico
| | - Sergey Shabala
- International Research Centre for Environmental Membrane Biology, Foshan University, Foshan, China
- Tasmanian Institute for Agriculture, College of Science and Engineering, University of Tasmania, Hobart, TAS, Australia
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10
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Jia X, Zhu Y, Zhang R, Zhu Z, Zhao T, Cheng L, Gao L, Liu B, Zhang X, Wang Y. Ionomic and metabolomic analyses reveal the resistance response mechanism to saline-alkali stress in Malus halliana seedlings. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2020; 147:77-90. [PMID: 31846851 DOI: 10.1016/j.plaphy.2019.12.001] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2019] [Revised: 12/02/2019] [Accepted: 12/02/2019] [Indexed: 05/27/2023]
Abstract
Saline-alkali stress is a major abiotic stress limiting plant growth. The selection of saline-alkali-tolerant rootstock is an effective strategy to reduce salinization-alkalization influence in apple production. M. halliana is a highly saline-alkali-resistant apple rootstock in northwestern China. However, few metabolic response studies have been conducted on this species. In plants under saline-alkali stress, the uptake of K, Mg and Zn in M. halliana leaves were inhibited, whereas the absorption of Fe2+, Cu2+ or Mn2+ were increased. Metabolic analysis revealed 140 differentially expressed metabolites, which were mainly involved in alkaloid biosynthesis, phenylalanine biosynthesis, ATP-binding cassette (ABC) transporters, and mineral absorption. Especially, the expression of sucrose, amino acids, alkaloids, flavonoids and carotenoids were significantly upregulated under saline-alkali stress. qRT-PCR analysis demonstrated that NHX8 and ZTP1 involved in Na+ and Fe2+ transport were upregulated, while AKT1, MRS2-4 and ZTP29 involved in K+, Mg2+ and Zn2+ transport were downregulated, respectively. ANT, ATP2A, CALM and SOS2 are involved in Ca2+ signal transduction, and ABCB1, ABCC10 and NatA are key transporters that maintain ionic homeostasis. M. halliana regulates Na+/K+ homeostasis by mediating Ca2+ signalling and ABC transporters. The accumulation of metabolites contributes to improving the saline-alkali resistance of M. halliana because of the scavenging of ROS. An increase in pheophorbide a content in porphyrin and chlorophyll metabolism leads to leaf senescence in M. halliana leaves, which contributes to a reduction in stress-induced injury. These findings provide important insights into the saline-alkali tolerance mechanism in apple, which also provides an important starting point for future research.
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Affiliation(s)
- Xumei Jia
- College of Horticulture, Gansu Agricultural University, 730070, Lanzhou, China
| | - Yanfang Zhu
- Gansu Academy of Agricultural Sciences, 730070, Lanzhou, China
| | - Rui Zhang
- College of Horticulture, Gansu Agricultural University, 730070, Lanzhou, China
| | - Zulei Zhu
- College of Horticulture, Gansu Agricultural University, 730070, Lanzhou, China
| | - Tong Zhao
- College of Horticulture, Gansu Agricultural University, 730070, Lanzhou, China
| | - Li Cheng
- College of Horticulture, Gansu Agricultural University, 730070, Lanzhou, China
| | - Liyang Gao
- College of Horticulture, Gansu Agricultural University, 730070, Lanzhou, China
| | - Bing Liu
- College of Horticulture, Gansu Agricultural University, 730070, Lanzhou, China
| | - Xiayi Zhang
- College of Horticulture, Gansu Agricultural University, 730070, Lanzhou, China
| | - Yanxiu Wang
- College of Horticulture, Gansu Agricultural University, 730070, Lanzhou, China.
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11
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Treesubsuntorn C, Thiravetyan P. Calcium acetate-induced reduction of cadmium accumulation in Oryza sativa: Expression of auto-inhibited calcium-ATPase and cadmium transporters. PLANT BIOLOGY (STUTTGART, GERMANY) 2019; 21:862-872. [PMID: 30924996 DOI: 10.1111/plb.12990] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Accepted: 03/26/2019] [Indexed: 06/09/2023]
Abstract
Calcium (Ca) signalling has an essential role in regulating plant responses to various abiotic stresses. This study applied Ca in various forms (Ca acetate and CaCl2 ) and concentrations to reduce cadmium (Cd) concentration in rice and propose a possible mechanism through which Ca acts to control the Cd concentration in rice. The results showed that supplementation of Cd-contaminated soil with Ca acetate reduced the Cd concentration in rice after exposure for 7 days in both hydroponic and soil conditions. The possible involvement of the auto-inhibited Ca2+ -ATPase gene (ACA) might act to control the primary signal of the Cd stress response. The messages from ACA3 and ACA13 tended to up-regulate the low-affinity cation transporter (OsLCT1) and down-regulate Cd uptake and the Cd translocation transporter, including the genes, natural resistance-associated macrophage protein 5 (Nramp5) and Zn/Cd-transporting ATPase 2 (HMA2), which resulted in a reduction in the Cd concentration in rice. After cultivation for 120 days, the application of Ca acetate into Cd-contaminated soil inhibited Cd uptake of rice. Increasing the Ca acetate concentration in the soil lowered the Cd concentration in rice shoots and grains. Moreover, Ca acetate maintained rice productivity and quality whereas both aspects decreased under Cd stress.
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Affiliation(s)
- C Treesubsuntorn
- Pilot Plant Development and Training Institute, King Mongkut's University of Technology Thonburi, Bangkok, Thailand
| | - P Thiravetyan
- School of Bioresources and Technology, King Mongkut's University of Technology Thonburi, Bangkok, Thailand
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12
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Taneja M, Upadhyay SK. Molecular characterization and differential expression suggested diverse functions of P-type II Ca 2+ATPases in Triticum aestivum L. BMC Genomics 2018; 19:389. [PMID: 29792165 PMCID: PMC5966885 DOI: 10.1186/s12864-018-4792-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Accepted: 05/14/2018] [Indexed: 12/13/2022] Open
Abstract
Background Plant P-type II Ca2+ATPases are formed by two distinct groups of proteins (ACAs and ECAs) that perform pumping of Ca2+ outside the cytoplasm during homeostasis, and play vital functions during development and stress management. In the present study, we have performed identification and characterisation of P-type II Ca2+ATPase gene family in an important crop plant Triticum aestivum. Results Herein, a total of 33 TaACA and 9 TaECA proteins were identified from the various chromosomes and sub-genomes of Triticum aestivum. Phylogenetic analysis revealed clustering of the homoeologous TaACA and TaECA proteins into 11 and 3 distinct groups that exhibited high sequence homology and comparable structural organization as well. Both TaACA and TaECA group proteins consisted of eight to ten transmembrane regions, and their respective domains and motifs. Prediction of sub-cellular localization was found variable for most of the proteins; moreover, it was consistent with the evolutionarily related proteins from rice and Arabidopsis in certain cases. The occurrence of assorted sets of cis-regulatory elements indicated their diverse functions. The differential expression of various TaACA and TaECA genes during developmental stages suggested their roles in growth and development. The modulated expression during heat, drought, salt and biotic stresses along with the occurrence of various stress specific cis-regulatory elements suggested their association with stress response. Interaction of these genes with numerous development and stress related genes indicated their decisive role in various biological processes and signaling. Conclusion T. aestivum genome consisted of a maximum of 42 P-type II Ca2+ATPase genes, derived from each A, B and D sub-genome. These genes may play diverse functions during plant growth and development. They may also be involved in signalling during abiotic and biotic stresses. The present study provides a comprehensive insight into the role of P-type II Ca2+ATPase genes in T. aestivum. However, the specific function of each gene needs to be established, which could be utilized in future crop improvement programs. Electronic supplementary material The online version of this article (10.1186/s12864-018-4792-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Mehak Taneja
- Department of Botany, Panjab University, Chandigarh, 160014, India
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