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Xue T, Liu L, Zhang X, Li Z, Sheng M, Ge X, Xu W, Su Z. Genome-Wide Investigation and Co-Expression Network Analysis of SBT Family Gene in Gossypium. Int J Mol Sci 2023; 24:ijms24065760. [PMID: 36982835 PMCID: PMC10056545 DOI: 10.3390/ijms24065760] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 01/15/2023] [Accepted: 01/26/2023] [Indexed: 03/30/2023] Open
Abstract
Subtilases (SBTs), which belong to the serine peptidases, control plant development by regulating cell wall properties and the activity of extracellular signaling molecules, and affect all stages of the life cycle, such as seed development and germination, and responses to biotic and abiotic environments. In this study, 146 Gossypium hirsutum, 138 Gossypium barbadense, 89 Gossypium arboreum and 84 Gossypium raimondii SBTs were identified and divided into six subfamilies. Cotton SBTs are unevenly distributed on chromosomes. Synteny analysis showed that the members of SBT1 and SBT4 were expanded in cotton compared to Arabidopsis thaliana. Co-expression network analysis showed that six Gossypium arboreum SBT gene family members were in a network, among which five SBT1 genes and their Gossypium hirsutum and Arabidopsis thaliana direct homologues were down-regulated by salt treatment, indicating that the co-expression network might share conserved functions. Through co-expression network and annotation analysis, these SBTs may be involved in the biological processes of auxin transport, ABA signal transduction, cell wall repair and root tissue development. In summary, this study provides valuable information for the study of SBT genes in cotton and excavates SBT genes in response to salt stress, which provides ideas for cotton breeding for salinity resistance.
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Affiliation(s)
- Tianxi Xue
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Lisen Liu
- State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Xinyi Zhang
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Zhongqiu Li
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Minghao Sheng
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Xiaoyang Ge
- State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Wenying Xu
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Zhen Su
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, China Agricultural University, Beijing 100193, China
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2
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Mehta D, Ghahremani M, Pérez-Fernández M, Tan M, Schläpfer P, Plaxton WC, Uhrig RG. Phosphate and phosphite have a differential impact on the proteome and phosphoproteome of Arabidopsis suspension cell cultures. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2021; 105:924-941. [PMID: 33184936 DOI: 10.1111/tpj.15078] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 10/01/2020] [Accepted: 10/19/2020] [Indexed: 05/21/2023]
Abstract
Phosphorus absorbed in the form of phosphate (H2 PO4- ) is an essential but limiting macronutrient for plant growth and agricultural productivity. A comprehensive understanding of how plants respond to phosphate starvation is essential for the development of more phosphate-efficient crops. Here we employed label-free proteomics and phosphoproteomics to quantify protein-level responses to 48 h of phosphate versus phosphite (H2 PO3- ) resupply to phosphate-deprived Arabidopsis thaliana suspension cells. Phosphite is similarly sensed, taken up and transported by plant cells as phosphate, but cannot be metabolized or used as a nutrient. Phosphite is thus a useful tool for differentiating between non-specific processes related to phosphate sensing and transport and specific responses to phosphorus nutrition. We found that responses to phosphate versus phosphite resupply occurred mainly at the level of protein phosphorylation, complemented by limited changes in protein abundance, primarily in protein translation, phosphate transport and scavenging, and central metabolism proteins. Altered phosphorylation of proteins involved in core processes such as translation, RNA splicing and kinase signaling was especially important. We also found differential phosphorylation in response to phosphate and phosphite in 69 proteins, including splicing factors, translation factors, the PHT1;4 phosphate transporter and the HAT1 histone acetyltransferase - potential phospho-switches signaling changes in phosphorus nutrition. Our study illuminates several new aspects of the phosphate starvation response and identifies important targets for further investigation and potential crop improvement.
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Affiliation(s)
- Devang Mehta
- Department of Biological Sciences, University of Alberta, 11455 Saskatchewan Drive, Edmonton, AB, T6G 2E9, Canada
| | - Mina Ghahremani
- Department of Biology, Queen's University, 116 Barrie St., Kingston, ON, K7L 3N6, Canada
| | - Maria Pérez-Fernández
- Departamento de Sistemas Físicos Químicos y Naturales, Universidad Pablo de Olavide, Ecology Area. Faculty os Experimental Sciences. Carretera de Utrera Km 1, Sevilla, 41013, Spain
| | - Maryalle Tan
- Department of Biological Sciences, University of Alberta, 11455 Saskatchewan Drive, Edmonton, AB, T6G 2E9, Canada
| | - Pascal Schläpfer
- Department of Biology, Institute of Molecular Plant Biology, ETH Zurich, Universitätstrasse 2, Zurich, 8092, Switzerland
| | - William C Plaxton
- Department of Biology, Queen's University, 116 Barrie St., Kingston, ON, K7L 3N6, Canada
| | - R Glen Uhrig
- Department of Biological Sciences, University of Alberta, 11455 Saskatchewan Drive, Edmonton, AB, T6G 2E9, Canada
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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: 10] [Impact Index Per Article: 2.5] [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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Ge Q, Zhang Y, Xu Y, Bai M, Luo W, Wang B, Niu Y, Zhao Y, Li S, Weng Y, Wang Z, Qian Q, Chong K. Cyclophilin OsCYP20-2 with a novel variant integrates defense and cell elongation for chilling response in rice. THE NEW PHYTOLOGIST 2020; 225:2453-2467. [PMID: 31736073 PMCID: PMC7064896 DOI: 10.1111/nph.16324] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Accepted: 10/31/2019] [Indexed: 05/20/2023]
Abstract
Coordinating stress defense and plant growth is a survival strategy for adaptation to different environments that contains a series of processes, such as, cell growth, division and differentiation. However, little is known about the coordination mechanism for protein conformation change. A cyclophilin OsCYP20-2 with a variant interacts with SLENDER RICE1 (SLR1) and OsFSD2 in the nucleus and chloroplasts, respectively, to integrate chilling tolerance and cell elongation in rice (Oryza sativa) (FSD2, Fe-superoxide dismutase 2). Mass spectrum assay showed that OsNuCYP20-2 localized at the nucleus (nuclear located OsCYP20-2) was a new variant of OsCYP20-2 that truncated 71 amino-acid residues in N-terminal. The loss-of function OsCYP20-2 mutant showed sensitivity to chilling stress with accumulation of extra reactive oxygen species (ROS). In chloroplasts, the full-length OsCYP20-2 promotes OsFSD2 forming homodimers which enhance its activity, eliminating the accumulation of ROS under chilling stress. However, the mutant had shorter epidermal cells in comparison with wild-type Hwayoung (HY). In the nucleus, OsCYP20-2 caused conformation change of SLR1 to promote its degradation for cell elongation. Our data reveal a cyclophilin with a variant with dual-localization in chloroplasts and the nucleus, which mediate chilling tolerance and cell elongation.
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Affiliation(s)
- Qiang Ge
- Key Laboratory of Plant Molecular PhysiologyInstitute of BotanyChinese Academy of SciencesBeijing100093China
- University of Chinese Academy of SciencesBeijing100049China
| | - Yuanyuan Zhang
- Key Laboratory of Plant Molecular PhysiologyInstitute of BotanyChinese Academy of SciencesBeijing100093China
| | - Yunyuan Xu
- Key Laboratory of Plant Molecular PhysiologyInstitute of BotanyChinese Academy of SciencesBeijing100093China
- Innovation Academy for Seed DesignChinese Academy of SciencesBeijing100101China
| | - Mingyi Bai
- The Key Laboratory of Plant Cell Engineering and Germplasm InnovationMinistry of EducationSchool of Life SciencesShandong UniversityJinan250100China
| | - Wei Luo
- Key Laboratory of Plant Molecular PhysiologyInstitute of BotanyChinese Academy of SciencesBeijing100093China
| | - Bo Wang
- Key Laboratory of Plant Molecular PhysiologyInstitute of BotanyChinese Academy of SciencesBeijing100093China
- University of Chinese Academy of SciencesBeijing100049China
| | - Yuda Niu
- Key Laboratory of Plant Molecular PhysiologyInstitute of BotanyChinese Academy of SciencesBeijing100093China
| | - Yuan Zhao
- Key Laboratory of Plant Molecular PhysiologyInstitute of BotanyChinese Academy of SciencesBeijing100093China
- University of Chinese Academy of SciencesBeijing100049China
| | - Shanshan Li
- Laboratory of Soft Matter PhysicsInstitute of PhysicsChinese Academy of SciencesBeijing100190China
| | - Yuxiang Weng
- Laboratory of Soft Matter PhysicsInstitute of PhysicsChinese Academy of SciencesBeijing100190China
| | - Zhiyong Wang
- Department of Plant BiologyCarnegie Institution for ScienceStanfordCA94305USA
| | - Qian Qian
- State Key Laboratory of Rice BiologyChina National Rice Research InstituteChinese Academy of Agricultural SciencesHangzhou310006China
| | - Kang Chong
- Key Laboratory of Plant Molecular PhysiologyInstitute of BotanyChinese Academy of SciencesBeijing100093China
- University of Chinese Academy of SciencesBeijing100049China
- Innovation Academy for Seed DesignChinese Academy of SciencesBeijing100101China
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Kang YJ, Shim KC, Lee HS, Jeon YA, Kim SH, Kang JW, Yun YT, Park IK, Ahn SN. Fine mapping and candidate gene analysis of the quantitative trait locus gw8.1 associated with grain length in rice. Genes Genomics 2017; 40:389-397. [PMID: 29892844 DOI: 10.1007/s13258-017-0640-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2017] [Accepted: 12/08/2017] [Indexed: 11/30/2022]
Abstract
A quantitative trait locus (QTL) gw8.1 was detected in the population derived from a cross between the elite japonica cultivar, 'Hwaseong' and Oryza rufipogon (IRGC 105491). Near isogenic lines (NILs) harboring the O. rufipogon segment on chromosome 8 showed increased grain length and weight compared to those of the recurrent parent, Hwaseong. This QTL was mapped to a 175.3-kb region containing 28 genes, of which four were considered as candidates based on the presence of mutations in their coding regions and as per the RNA expression pattern during the inflorescence stage. Leaves and panicles obtained from plants harvested 5 days after heading showed differences in gene expression between Hwaseong and gw8.1-NILs. Most genes were upregulated in O. rufipogon and gw8.1-NIL than in Hwaseong. Scanning electron microscopy analysis of the lemma inner epidermal cells indicated that cell length was higher in gw8.1 NIL than in Hwaseong, indicating that gw8.1 might regulate cell elongation. Among the candidate genes, LOC_Os08g34380 encoding a putative receptor-like kinase and LOC_Os08g34550 encoding putative RING-H2 finger protein were considered as possible candidates based on their functional similarity.
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Affiliation(s)
- Yun-Joo Kang
- Department of Agronomy, College of Agriculture and Life Sciences, Chungnam National University, Daejeon, 34134, South Korea
| | - Kyu-Chan Shim
- Department of Agronomy, College of Agriculture and Life Sciences, Chungnam National University, Daejeon, 34134, South Korea
| | - Hyun-Sook Lee
- Department of Agronomy, College of Agriculture and Life Sciences, Chungnam National University, Daejeon, 34134, South Korea
| | - Yun-A Jeon
- Department of Agronomy, College of Agriculture and Life Sciences, Chungnam National University, Daejeon, 34134, South Korea
| | - Sun-Ha Kim
- Department of Agronomy, College of Agriculture and Life Sciences, Chungnam National University, Daejeon, 34134, South Korea
| | - Ju-Won Kang
- Department of Southern Area Crop Science, National Institute of Crop Science, Milyang, 50424, South Korea
| | - Yeo-Tae Yun
- Chungcheongnamdo Agricultural Research and Extension Services, Yesan, 340-861, South Korea
| | - In-Kyu Park
- K-Herb Research Center, Korea Institute of Oriental Medicine, Daejeon, 34054, South Korea
| | - Sang-Nag Ahn
- Department of Agronomy, College of Agriculture and Life Sciences, Chungnam National University, Daejeon, 34134, South Korea.
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Yu C, Qu Z, Zhang Y, Zhang X, Lan T, Adelson DL, Wang D, Zhu Y. Seed weight differences between wild and domesticated soybeans are associated with specific changes in gene expression. PLANT CELL REPORTS 2017; 36:1417-1426. [PMID: 28653111 DOI: 10.1007/s00299-017-2165-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Accepted: 06/08/2017] [Indexed: 05/13/2023]
Abstract
KEY MESSAGE Our study systematically explored potential genes and molecular pathways as candidates for differences in seed weight resulting from soybean domestication. In addition, potential contributions of lncRNAs to seed weight were also investigated. Soybeans have a long history of domestication in China, and there are several significant phenotypic differences between cultivated and wild soybeans, for example, seeds of cultivars are generally larger and heavier than those from wild accessions. We analyzed seed transcriptomes from thirteen soybean samples, including six landraces and seven wild accessions using strand-specific RNA sequencing. Differentially expressed genes related to seed weight were identified, and some of their homologs were associated with seed development in Arabidopsis. We also identified 1251 long intergenic noncoding RNAs (lincRNAs), 243 intronic RNAs and 81 antisense lncRNAs de novo from these soybean transcriptomes. We then profiled the expression patterns of lncRNAs in cultivated and wild soybean seeds, and found that transcript levels of a number of lncRNAs were sample-specific. Moreover, gene transcript and lincRNA co-expression network analysis showed that some soybean lincRNAs might have functional roles as they were hubs of co-expression modules. In conclusion, this study systematically explored potential genes and molecular pathways as candidates for differences in seed weight resulting from soybean domestication, and will provide a useful future resource for molecular breeding of soybeans.
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Affiliation(s)
- Chao Yu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330031, Jiangxi, China
- Key Laboratory of Molecular Biology and Gene Engineering in Jiangxi Province, College of Life Science, Nanchang University, Nanchang, 330031, China
| | - Zhipeng Qu
- Department of Genetics and Evolution, School of Biological Sciences, The University of Adelaide, Adelaide, SA, 5005, Australia
| | - Yueting Zhang
- Key Laboratory of Molecular Biology and Gene Engineering in Jiangxi Province, College of Life Science, Nanchang University, Nanchang, 330031, China
| | - Xifeng Zhang
- Key Laboratory of Molecular Biology and Gene Engineering in Jiangxi Province, College of Life Science, Nanchang University, Nanchang, 330031, China
| | - Tingting Lan
- Key Laboratory of Molecular Biology and Gene Engineering in Jiangxi Province, College of Life Science, Nanchang University, Nanchang, 330031, China
| | - David L Adelson
- Department of Genetics and Evolution, School of Biological Sciences, The University of Adelaide, Adelaide, SA, 5005, Australia
| | - Dong Wang
- Key Laboratory of Molecular Biology and Gene Engineering in Jiangxi Province, College of Life Science, Nanchang University, Nanchang, 330031, China.
| | - Youlin Zhu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330031, Jiangxi, China.
- Key Laboratory of Molecular Biology and Gene Engineering in Jiangxi Province, College of Life Science, Nanchang University, Nanchang, 330031, China.
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Zhou F, Guo Y, Qiu LJ. Genome-wide identification and evolutionary analysis of leucine-rich repeat receptor-like protein kinase genes in soybean. BMC PLANT BIOLOGY 2016; 16:58. [PMID: 26935840 PMCID: PMC4776374 DOI: 10.1186/s12870-016-0744-1] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2015] [Accepted: 02/24/2016] [Indexed: 05/03/2023]
Abstract
BACKGROUND Leucine-rich repeat receptor-like kinases (LRR-RLKs) constitute the largest subfamily of receptor-like kinases in plant. A number of reports have demonstrated that plant LRR-RLKs play important roles in growth, development, differentiation, and stress responses. However, no comprehensive analysis of this gene family has been carried out in legume species. RESULTS Based on the principles of sequence similarity and domain conservation, a total of 467 LRR-RLK genes were identified in soybean genome. The GmLRR-RLKs are non-randomly distributed across all 20 chromosomes of soybean and about 73.3 % of them are located in segmental duplicated regions. The analysis of synonymous substitutions for putative paralogous gene pairs indicated that most of these gene pairs resulted from segmental duplications in soybean genome. Furthermore, the exon/intron organization, motif composition and arrangements were considerably conserved among members of the same groups or subgroups in the constructed phylogenetic tree. The close phylogenetic relationship between soybean LRR-RLK genes with identified Arabidopsis genes in the same group also provided insight into their putative functions. Expression profiling analysis of GmLRR-RLKs suggested that they appeared to be differentially expressed among different tissues and some of duplicated genes exhibited divergent expression patterns. In addition, artificial selected GmLRR-RLKs were also identified by comparing the SNPs between wild and cultivated soybeans and 17 genes were detected in regions previously reported to contain domestication-related QTLs. CONCLUSIONS Comprehensive and evolutionary analysis of soybean LRR-RLK gene family was performed at whole genome level. The data provides valuable tools in future efforts to identify functional divergence of this gene family and gene diversity among different genotypes in legume species.
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Affiliation(s)
- Fulai Zhou
- The National Key Facility for Crop Gene Resources and Genetic Improvement (NFCRI) and MOA Key Labs of Crop Germplasm and Soybean Biology (Beijing), Institute of Crop Science, Chinese Academy of Agricultural Sciences, No.12 Zhongguancun South Street, Haidian District, Beijing, 100081, P. R. China.
| | - Yong Guo
- The National Key Facility for Crop Gene Resources and Genetic Improvement (NFCRI) and MOA Key Labs of Crop Germplasm and Soybean Biology (Beijing), Institute of Crop Science, Chinese Academy of Agricultural Sciences, No.12 Zhongguancun South Street, Haidian District, Beijing, 100081, P. R. China.
| | - Li-Juan Qiu
- The National Key Facility for Crop Gene Resources and Genetic Improvement (NFCRI) and MOA Key Labs of Crop Germplasm and Soybean Biology (Beijing), Institute of Crop Science, Chinese Academy of Agricultural Sciences, No.12 Zhongguancun South Street, Haidian District, Beijing, 100081, P. R. China.
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Wang J, Kucukoglu M, Zhang L, Chen P, Decker D, Nilsson O, Jones B, Sandberg G, Zheng B. The Arabidopsis LRR-RLK, PXC1, is a regulator of secondary wall formation correlated with the TDIF-PXY/TDR-WOX4 signaling pathway. BMC PLANT BIOLOGY 2013; 13:94. [PMID: 23815750 PMCID: PMC3716795 DOI: 10.1186/1471-2229-13-94] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2013] [Accepted: 06/25/2013] [Indexed: 05/20/2023]
Abstract
BACKGROUND Although a number of leucine-rich repeat receptor-like kinase-encoding genes (LRR-RLKs) have been identified in plants, a functional role has been determined for only a few. Recent studies have demonstrated that an LRR-RLK, PXY/TDR, is important for the process of secondary vascular development. Other studies have indicated that PXY/TDR is unlikely to be the sole LRR-RLK involved in this complex process. RESULTS In this study, in silico analyses led to the identification of three Arabidopsis LRR-RLK genes (PXY-correlated; PXC1, 2, 3) with transcript accumulation profiles that correlated strongly with several key regulators of vascular development, including PXY/TDR, HB-8, REV, and CLE41. Expression profiling using qPCR and promoter:reporter lines indicated that all three PXC genes are associated with the vasculature. One in particular, PXC1 (At2g36570), had a strong correlation with PXY/TDR. Shifting pxc1 mutants from long-days to short-days showed that loss of the gene led to a dramatic reduction in secondary wall formation in xylem fibers. Transcript analysis of mutants for a variety of secondary cell wall-associated genes, including PXY/TDR indicated that the pathways mediated by PXC1 connect with those mediated by the TDIF-PXY/TDR-WOX4 system. CONCLUSIONS The data indicate that the LRR-RLK, PXC1 is involved in secondary cell wall formation in xylem fibers. Whereas further study is needed to identify the ligands and mode of action of the PXC1 protein, it is clear from this work that similarly to the shoot apical meristem (SAM), secondary vascular development requires contributions from a number of LRR-RLKs.
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Affiliation(s)
- Jiehua Wang
- School of Environmental Science and Engineering, Tianjin University, Tianjin, 300072, China
| | - Melis Kucukoglu
- Umeå Plant Science Centre, Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, SE-901 83, Umeå, Sweden
| | - Linbin Zhang
- Umeå Plant Science Centre, Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, SE-901 83, Umeå, Sweden
| | - Peng Chen
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Daniel Decker
- Umeå Plant Science Centre, Department of Plant Physiology, Umeå University, Umeå, SE-901 87, Sweden
| | - Ove Nilsson
- Umeå Plant Science Centre, Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, SE-901 83, Umeå, Sweden
| | - Brian Jones
- Faculty of Agriculture and Environment, Department of Plant and Food Sciences, University of Sydney, Sydney, Australia
| | - Göran Sandberg
- Umeå Plant Science Centre, Department of Plant Physiology, Umeå University, Umeå, SE-901 87, Sweden
| | - Bo Zheng
- College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, 430070, China
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9
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Sun X, Sun M, Luo X, Ding X, Ji W, Cai H, Bai X, Liu X, Zhu Y. A Glycine soja ABA-responsive receptor-like cytoplasmic kinase, GsRLCK, positively controls plant tolerance to salt and drought stresses. PLANTA 2013; 237:1527-45. [PMID: 23494614 DOI: 10.1007/s00425-013-1864-6] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2012] [Accepted: 02/25/2013] [Indexed: 05/27/2023]
Abstract
Receptor such as protein kinases are proposed to work as sensors to initiate signaling cascades in higher plants. However, little is known about the precise functions of receptor such as protein kinases in abiotic stress response in plants, especially in wild soybean. Here, we focused on characterization of the biological functions of a receptor-like cytoplasmic serine/threonine protein kinase gene, GsRLCK, which was previously identified as a putative salt-alkali stress-related gene from the transcriptome profiles of Glycine soja. Bioinformatic analysis showed that GsRLCK protein contained a conserved kinase catalytic domain and two transmembrane domains at the N-terminus, but no typical extracellular domain. Consistently, GsRLCK-eGFP fusion protein was observed on the plasma membrane, but eGFP alone was distributing throughout the cytoplasm in onion epidermal cells. Quantitative real-time PCR analysis revealed the induced expression of GsRLCK by ABA, salt, alkali, and drought stresses. However, the expression levels of GsRLCK seemed to be similar in different tissues, except soybean pod. Phenotypic assays demonstrated that GsRLCK overexpression decreased ABA sensitivity and altered expression levels of ABA-responsive genes. Furthermore, we also found that GsRLCK conferred increased tolerance to salt and drought stresses and increased expression levels of a handful of stress-responsive genes, when overexpressing in Arabidopsis. In a word, we gave exact evidence that GsRLCK was a novel receptor-like cytoplasmic protein kinase and played a crucial role in plant responses to ABA, salt, and drought stresses.
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MESH Headings
- Abscisic Acid/pharmacology
- Adaptation, Physiological/drug effects
- Adaptation, Physiological/genetics
- Amino Acid Sequence
- Arabidopsis/drug effects
- Arabidopsis/genetics
- Cell Membrane/drug effects
- Cell Membrane/metabolism
- Droughts
- Gene Expression Profiling
- Gene Expression Regulation, Plant/drug effects
- Genes, Plant/genetics
- Germination/drug effects
- Germination/genetics
- Molecular Sequence Data
- Phylogeny
- Plant Epidermis/cytology
- Plant Epidermis/drug effects
- Plant Proteins/chemistry
- Plant Proteins/genetics
- Plant Proteins/metabolism
- Plants, Genetically Modified
- Protein Transport/drug effects
- RNA, Messenger/genetics
- RNA, Messenger/metabolism
- Receptor Protein-Tyrosine Kinases/chemistry
- Receptor Protein-Tyrosine Kinases/genetics
- Receptor Protein-Tyrosine Kinases/metabolism
- Salinity
- Sequence Alignment
- Sequence Analysis, DNA
- Sodium Chloride/pharmacology
- Glycine max/drug effects
- Glycine max/enzymology
- Glycine max/genetics
- Glycine max/physiology
- Stress, Physiological/drug effects
- Stress, Physiological/genetics
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Affiliation(s)
- XiaoLi Sun
- Plant Bioengineering Laboratory, Northeast Agricultural University, Harbin 150030, China
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