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Soni KK, Gurjar K, Ranjan A, Sinha S, Srivastava M, Verma V. Post-translational modifications control the signal at the crossroads of plant-pathogen interactions. JOURNAL OF EXPERIMENTAL BOTANY 2024; 75:6957-6979. [PMID: 39177255 DOI: 10.1093/jxb/erae358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2024] [Accepted: 08/22/2024] [Indexed: 08/24/2024]
Abstract
The co-evolution of plants and pathogens has enabled them to 'outsmart' each other by promoting their own defence responses and suppressing those of the other. While plants are reliant on their sophisticated immune signalling pathways, pathogens make use of effector proteins to achieve the objective. This entails rapid regulation of underlying molecular mechanisms for prompt induction of associated signalling events in both plants as well as pathogens. The past decade has witnessed the emergence of post-translational modification (PTM) of proteins as a key a factor in modulating cellular responses. The ability of PTMs to expand the functional diversity of the proteome and induce rapid changes at the appropriate time enables them to play crucial roles in the regulation of plant-pathogen interactions. Therefore, this review will delve into the intricate interplay of five major PTMs involved in plant defence and pathogen countermeasures. We discuss how plants employ PTMs to fortify their immune networks, and how pathogen effectors utilize/target host modification systems to gain entry into plants and cause disease. We also emphasize the need for identification of novel PTMs and propose the use of PTM pathways as potential targets for genome editing approaches.
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Affiliation(s)
- Kamlesh Kumar Soni
- Department of Biotechnology, AKS University, Satna, Madhya Pradesh-485001, India
| | - Kishan Gurjar
- Department of Biotechnology, School of Life Sciences, Central University of Rajasthan, Kishangarh, Ajmer, Rajasthan-305817, India
| | - Aastha Ranjan
- Department of Biotechnology, School of Life Sciences, Central University of Rajasthan, Kishangarh, Ajmer, Rajasthan-305817, India
| | - Shashank Sinha
- Department of Biotechnology, School of Life Sciences, Central University of Rajasthan, Kishangarh, Ajmer, Rajasthan-305817, India
| | - Moumita Srivastava
- Plant Biotechnology and Disease Biology, Rajiv Gandhi Centre for Biotechnology, Thycaud Post, Poojappura, Thiruvananthapuram, Kerala-695014, India
| | - Vivek Verma
- Department of Biotechnology, School of Life Sciences, Central University of Rajasthan, Kishangarh, Ajmer, Rajasthan-305817, India
- Plant Biotechnology Department, Gujarat Biotechnology University, Near Gujarat International Finance Tec City, Gandhinagar, Gujarat-382355, India
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Wang X, Diao Z, Cao C, Liu Y, Xia N, Zhang Y, Lu L, Kong F, Zhou H, Chen L, Zhang J, Wang B, Huang R, Tang D, Li S. The receptor-like cytoplasmic kinase OsBSK1-2 regulates immunity via an HLH/bHLH complex. JOURNAL OF INTEGRATIVE PLANT BIOLOGY 2024; 66:2754-2771. [PMID: 39387827 PMCID: PMC11622533 DOI: 10.1111/jipb.13783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Accepted: 09/12/2024] [Indexed: 10/15/2024]
Abstract
Plants need to fine-tune defense responses to maintain a robust but flexible host barrier to various pathogens. Helix-loop-helix/basic helix-loop-helix (HLH/bHLH) complexes play important roles in fine-tuning plant development. However, the function of these genes in plant immunity and how they are regulated remain obscure. Here, we identified an atypical bHLH transcription factor, Oryza sativa (Os)HLH46, that interacts with rice receptor-like cytoplasmic kinase (RLCK) Os BRASSINOSTEROID-SIGNALING KINASE1-2 (OsBSK1-2), which plays a key role in rice blast resistance. OsBSK1-2 stabilized OsHLH46 both in vivo and in vitro. In addition, OsHLH46 positively regulates rice blast resistance, which depends on OsBSK1-2. OsHLH46 has no transcriptional activation activity and interacts with a typical bHLH protein, OsbHLH6, which negatively regulates rice blast resistance. OsbHLH6 binds to the promoter of OsWRKY45 and inhibits its expression, while OsHLH46 suppresses the function of OsbHLH6 by blocking its DNA binding and transcriptional inhibition of OsWRKY45. Consistent with these findings, OsWRKY45 was up-regulated in OsHLH46-overexpressing plants. In addition, the oshlh46 mutant overexpressing OsbHLH6 is more susceptible to Magnaporthe oryzae than is the wild type, suggesting that OsHLH46 suppresses OsbHLH6-mediated rice blast resistance. Our results not only demonstrated that OsBSK1-2 regulates rice blast resistance via the OsHLH46/OsbHLH6 complex, but also uncovered a new mechanism for plants to fine-tune plant immunity by regulating the HLH/bHLH complex via RLCKs.
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Affiliation(s)
- Xun Wang
- State Key Laboratory of Ecological Control of Fujian‐Taiwan Crop Pests, Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Plant Immunity Center, College of Life ScienceFujian Agriculture and Forestry UniversityFuzhou350002China
| | - Zhijuan Diao
- State Key Laboratory of Ecological Control of Fujian‐Taiwan Crop Pests, Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Plant Immunity Center, College of Life ScienceFujian Agriculture and Forestry UniversityFuzhou350002China
| | - Chang Cao
- State Key Laboratory of Ecological Control of Fujian‐Taiwan Crop Pests, Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Plant Immunity Center, College of Life ScienceFujian Agriculture and Forestry UniversityFuzhou350002China
| | - Yan Liu
- State Key Laboratory of Ecological Control of Fujian‐Taiwan Crop Pests, Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Plant Immunity Center, College of Life ScienceFujian Agriculture and Forestry UniversityFuzhou350002China
| | - Na Xia
- State Key Laboratory of Ecological Control of Fujian‐Taiwan Crop Pests, Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Plant Immunity Center, College of Life ScienceFujian Agriculture and Forestry UniversityFuzhou350002China
| | - Youlian Zhang
- State Key Laboratory of Ecological Control of Fujian‐Taiwan Crop Pests, Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Plant Immunity Center, College of Life ScienceFujian Agriculture and Forestry UniversityFuzhou350002China
| | - Ling Lu
- State Key Laboratory of Ecological Control of Fujian‐Taiwan Crop Pests, Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Plant Immunity Center, College of Life ScienceFujian Agriculture and Forestry UniversityFuzhou350002China
| | - Fanyu Kong
- State Key Laboratory of Ecological Control of Fujian‐Taiwan Crop Pests, Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Plant Immunity Center, College of Life ScienceFujian Agriculture and Forestry UniversityFuzhou350002China
| | - Houli Zhou
- State Key Laboratory of Ecological Control of Fujian‐Taiwan Crop Pests, Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Plant Immunity Center, College of Life ScienceFujian Agriculture and Forestry UniversityFuzhou350002China
| | - Lizhe Chen
- State Key Laboratory of Ecological Control of Fujian‐Taiwan Crop Pests, Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Plant Immunity Center, College of Life ScienceFujian Agriculture and Forestry UniversityFuzhou350002China
| | - Jing Zhang
- State Key Laboratory of Ecological Control of Fujian‐Taiwan Crop Pests, Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Plant Immunity Center, College of Life ScienceFujian Agriculture and Forestry UniversityFuzhou350002China
| | - Bangsheng Wang
- State Key Laboratory of Ecological Control of Fujian‐Taiwan Crop Pests, Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Plant Immunity Center, College of Life ScienceFujian Agriculture and Forestry UniversityFuzhou350002China
| | - Ronghua Huang
- College of AgricultureFujian Agriculture and Forestry UniversityFuzhou350002China
| | - Dingzhong Tang
- State Key Laboratory of Ecological Control of Fujian‐Taiwan Crop Pests, Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Plant Immunity Center, College of Life ScienceFujian Agriculture and Forestry UniversityFuzhou350002China
| | - Shengping Li
- State Key Laboratory of Ecological Control of Fujian‐Taiwan Crop Pests, Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Plant Immunity Center, College of Life ScienceFujian Agriculture and Forestry UniversityFuzhou350002China
- Fujian Provincial Key Laboratory of Crop Breeding by DesignFujian Agriculture and Forestry UniversityFuzhou350002China
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3
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Chang H, Sha H, Gao S, Liu Q, Liu Y, Ma C, Shi B, Nie S. A Novel Gene, OsRLCK191, Involved in Culm Strength Improving Lodging Resistance in Rice. Int J Mol Sci 2024; 25:12382. [PMID: 39596448 PMCID: PMC11594765 DOI: 10.3390/ijms252212382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2024] [Revised: 11/08/2024] [Accepted: 11/15/2024] [Indexed: 11/28/2024] Open
Abstract
Lodging is one of the major problems in rice production. However, few genes that can explain the culm strength within the temperate japonica subspecies have been identified. In this study, we identified OsRLCK191, which encodes receptor-like cytoplasmic kinase and plays critical roles in culm strength. OsRLCK191 mutants were produced by the CRISPR-Cas9 DNA-editing system. Compared with wild types (WTs), the bending moment of the whole plant (WP), the bending moment at breaking (BM), and the section modulus (SM) were decreased in rlck191 significantly. Although there is no significant decrease in the culm length of rlck191 compared with the WT; in the mutant, except the length of the fourth internode being significantly increased, the lengths of other internodes are significantly shortened. In addition, the yield traits of panicle length, thousand-seed weight, and seed setting rate decreased significantly in rlck191. Moreover, RNA-seq experiments were performed at an early stage of rice panicle differentiation in shoot apex. The differentially expressed genes (DEGs) are mainly involved in cell wall biogenesis, cell wall polysaccharide metabolic processes, cellar component biogenesis, and DNA-binding transcription factors. Transcriptome analysis of the cell wall biological process pathways showed that major genes that participated in the cytokinin oxidase/dehydrogenase family, cellulose synthase catalytic subunit genes, and ethylene response factor family transcription factor were related to culm strength. Our research provides an important theoretical basis for analyzing the lodging resistance mechanism and lodging resistance breeding of temperate japonica.
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Affiliation(s)
- Huilin Chang
- Suihua Branch of Heilongjiang Academy of Agricultural Sciences, Suihua 152000, China; (H.C.); (H.S.); (S.G.); (Q.L.); (Y.L.); (C.M.); (B.S.)
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Ministry of Education, Northeast Agricultural University, Harbin 150030, China
| | - Hanjing Sha
- Suihua Branch of Heilongjiang Academy of Agricultural Sciences, Suihua 152000, China; (H.C.); (H.S.); (S.G.); (Q.L.); (Y.L.); (C.M.); (B.S.)
- Key Laboratory of Soybean Molecular Design Breeding, State Key Laboratory of Black Soils Conservation and Utilization, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Harbin 150081, China
| | - Shiwei Gao
- Suihua Branch of Heilongjiang Academy of Agricultural Sciences, Suihua 152000, China; (H.C.); (H.S.); (S.G.); (Q.L.); (Y.L.); (C.M.); (B.S.)
| | - Qing Liu
- Suihua Branch of Heilongjiang Academy of Agricultural Sciences, Suihua 152000, China; (H.C.); (H.S.); (S.G.); (Q.L.); (Y.L.); (C.M.); (B.S.)
| | - Yuqiang Liu
- Suihua Branch of Heilongjiang Academy of Agricultural Sciences, Suihua 152000, China; (H.C.); (H.S.); (S.G.); (Q.L.); (Y.L.); (C.M.); (B.S.)
| | - Cheng Ma
- Suihua Branch of Heilongjiang Academy of Agricultural Sciences, Suihua 152000, China; (H.C.); (H.S.); (S.G.); (Q.L.); (Y.L.); (C.M.); (B.S.)
| | - Bowen Shi
- Suihua Branch of Heilongjiang Academy of Agricultural Sciences, Suihua 152000, China; (H.C.); (H.S.); (S.G.); (Q.L.); (Y.L.); (C.M.); (B.S.)
| | - Shoujun Nie
- Suihua Branch of Heilongjiang Academy of Agricultural Sciences, Suihua 152000, China; (H.C.); (H.S.); (S.G.); (Q.L.); (Y.L.); (C.M.); (B.S.)
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4
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Yi H, Shi H, Mao W, Yin J, Ma Y, Xu L, Jing L, He M, Zhu X, Lu X, Xiong Q, Tang Y, Hou Q, Song L, Wang L, Li W, Yu H, Chen X, Li J, Wang J. E3 ubiquitin ligase IPI1 controls rice immunity and flowering via both E3 ligase-dependent and -independent pathways. Dev Cell 2024; 59:2719-2730.e4. [PMID: 39025062 DOI: 10.1016/j.devcel.2024.06.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 04/19/2024] [Accepted: 06/19/2024] [Indexed: 07/20/2024]
Abstract
Immunity and flowering are energy-consuming processes. However, the mechanism underlying the balance between immunity and flowering remains to be elucidated. Here, we report that the E3 ligase ideal plant architecture 1 interactor 1 (IPI1) controls rice immunity and flowering via two different pathways, one dependent on and another independent of its E3 ligase activity. We found that IPI1, a RING-finger E3 ligase, interacts with another E3 ligase, AvrPiz-t-interacting protein 6 (APIP6), and protects APIP6 from degradation by preventing APIP6's self-ubiquitination. Stabilization of APIP6 by IPI1 requires no IPI1 E3 ligase activity and leads to degradation of APIP6 substrates via the ubiquitin-proteasome system (UPS). Meanwhile, IPI1 directly ubiquitinates OsELF3-1 and OsELF3-2, two homologs of EARLY FLOWERING3 (ELF3), targeting them for degradation via the 26S proteasome. IPI1 knockout plants display early flowering but compromised resistance to rice blast. Thus, IPI1 balances rice immunity and flowering via both E3 ligase-dependent and -independent pathways.
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Affiliation(s)
- Hong Yi
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Hui Shi
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Wei Mao
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Junjie Yin
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Yanyan Ma
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Li Xu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Linjie Jing
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Min He
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Xiaobo Zhu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Xiang Lu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Qing Xiong
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Yongyan Tang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Qingqing Hou
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Li Song
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Long Wang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Weitao Li
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, Sichuan, China; Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Hong Yu
- State Key Laboratory of Plant Genomics and National Center for Plant Gene Research (Beijing), Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China
| | - Xuewei Chen
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Jiayang Li
- State Key Laboratory of Plant Genomics and National Center for Plant Gene Research (Beijing), Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China; Yazhou Bay Seed Laboratory, Sanya 572025, Hainan, China
| | - Jing Wang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, Sichuan, China.
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5
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Wen Y, Wang F, Wang H, Bi Y, Yan Y, Noman M, Li D, Song F. Melon CmRLCK VII-8 kinase genes CmRLCK27, CmRLCK30 and CmRLCK34 modulate resistance against bacterial and fungal diseases in Arabidopsis. PHYSIOLOGIA PLANTARUM 2024; 176:e14456. [PMID: 39072778 DOI: 10.1111/ppl.14456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 06/28/2024] [Accepted: 07/11/2024] [Indexed: 07/30/2024]
Abstract
Receptor-like cytoplasmic kinases (RLCKs) represent a distinct class of receptor-like kinases crucial for various aspects of plant biology, including growth, development, and stress responses. This study delves into the characterization of RLCK VII-8 members within cucurbits, particularly in melon, examining both structural features and the phylogenetic relationships of these genes/proteins. The investigation extends to their potential involvement in disease resistance by employing ectopic overexpression in Arabidopsis. The promoters of CmRLCK VII-8 genes harbor multiple phytohormone- and stress-responsive cis-acting elements, with the majority (excluding CmRLCK39) displaying upregulated expression in response to defense hormones and fungal infection. Subcellular localization studies reveal that CmRLCK VII-8 proteins predominantly reside on the plasma membrane, with CmRLCK29 and CmRLCK30 exhibiting additional nuclear distribution. Notably, Arabidopsis plants overexpressing CmRLCK30 manifest dwarfing and delayed flowering phenotypes. Overexpression of CmRLCK27, CmRLCK30, and CmRLCK34 in Arabidopsis imparts enhanced resistance against Botrytis cinerea and Pseudomonas syringae pv. tomato DC3000, concomitant with the strengthened expression of defense genes and reactive oxygen species accumulation. The CmRLCK VII-8 members actively participate in chitin- and flg22-triggered immune responses. Furthermore, CmRLCK30 interacts with CmMAPKKK1 and CmARFGAP, adding a layer of complexity to the regulatory network. In summary, this functional characterization underscores the regulatory roles of CmRLCK27, CmRLCK30, and CmRLCK34 in immune responses by influencing pathogen-induced defense gene expression and ROS accumulation.
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Affiliation(s)
- Ya Wen
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang, China
- Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang, China
- State Key Laboratory of Rice Biology and Breeding, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang, China
| | - Fahao Wang
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang, China
- Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang, China
- State Key Laboratory of Rice Biology and Breeding, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang, China
| | - Hui Wang
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang, China
- Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang, China
- State Key Laboratory of Rice Biology and Breeding, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang, China
| | - Yan Bi
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang, China
- Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang, China
- State Key Laboratory of Rice Biology and Breeding, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang, China
| | - Yuqing Yan
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang, China
- Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang, China
- State Key Laboratory of Rice Biology and Breeding, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang, China
| | - Muhammad Noman
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang, China
- Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang, China
- State Key Laboratory of Rice Biology and Breeding, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang, China
- State Key Laboratory for Managing Biotic and Chemical Treats to the Quality and Safety of Agro-products, Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Dayong Li
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang, China
- Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang, China
- State Key Laboratory of Rice Biology and Breeding, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang, China
| | - Fengming Song
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang, China
- Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang, China
- State Key Laboratory of Rice Biology and Breeding, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang, China
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Zhang L, Zhu Q, Tan Y, Deng M, Zhang L, Cao Y, Guo X. Mitogen-activated protein kinases MPK3 and MPK6 phosphorylate receptor-like cytoplasmic kinase CDL1 to regulate soybean basal immunity. THE PLANT CELL 2024; 36:963-986. [PMID: 38301274 PMCID: PMC10980351 DOI: 10.1093/plcell/koae008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 01/11/2024] [Indexed: 02/03/2024]
Abstract
Soybean cyst nematode (SCN; Heterodera glycines Ichinohe), one of the most devastating soybean (Glycine max) pathogens, causes significant yield loss in soybean production. Nematode infection triggers plant defense responses; however, the components involved in the upstream signaling cascade remain largely unknown. In this study, we established that a mitogen-activated protein kinase (MAPK) signaling module, activated by nematode infection or wounding, is crucial for soybeans to establish SCN resistance. GmMPK3 and GmMPK6 directly interact with CDG1-LIKE1 (GmCDL1), a member of the receptor-like cytoplasmic kinase (RLCK) subfamily VII. These kinases phosphorylate GmCDL1 at Thr-372 to prevent its proteasome-mediated degradation. Functional analysis demonstrated that GmCDL1 positively regulates immune responses and promotes SCN resistance in soybeans. GmMPK3-mediated and GmMPK6-mediated phosphorylation of GmCDL1 enhances GmMPK3 and GmMPK6 activation and soybean disease resistance, representing a positive feedback mechanism. Additionally, 2 L-type lectin receptor kinases, GmLecRK02g and GmLecRK08g, associate with GmCDL1 to initiate downstream immune signaling. Notably, our study also unveils the potential involvement of GmLecRKs and GmCDL1 in countering other soybean pathogens beyond nematodes. Taken together, our findings reveal the pivotal role of the GmLecRKs-GmCDL1-MAPK regulatory module in triggering soybean basal immune responses.
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Affiliation(s)
- Lei Zhang
- National Key Laboratory of Agricultural Microbiology, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Qun Zhu
- National Key Laboratory of Agricultural Microbiology, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Yuanhua Tan
- National Key Laboratory of Agricultural Microbiology, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Miaomiao Deng
- National Key Laboratory of Agricultural Microbiology, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Lei Zhang
- Department of Botany and Plant Pathology, Purdue University, West Lafayette, IN 47907, USA
| | - Yangrong Cao
- National Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Xiaoli Guo
- National Key Laboratory of Agricultural Microbiology, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China
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7
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Cen Y, Geng S, Gao L, Wang X, Yan X, Hou Y, Wang P. Genome-Wide Identification and Expression Analysis of RLCK-VII Subfamily Genes Reveal Their Roles in Stress Responses of Upland Cotton. PLANTS (BASEL, SWITZERLAND) 2023; 12:3170. [PMID: 37687414 PMCID: PMC10490013 DOI: 10.3390/plants12173170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 08/14/2023] [Accepted: 08/31/2023] [Indexed: 09/10/2023]
Abstract
Receptor-like cytoplasmic kinase VII (RLCK-VII) subfamily members are vital players in plant innate immunity and are also involved in plant development and abiotic stress tolerance. As a widely cultivated textile crop, upland cotton (Gossypium hirsutum) attaches great importance to the cotton industry worldwide. To obtain details of the composition, phylogeny, and putative function of RLCK-VII genes in upland cotton, genome-wide identification, evolutionary event analysis, and expression pattern examination of RLCK-VII subfamily genes in G. hirsutum were performed. There are 129 RLCK-VII members in upland cotton (GhRLCKs) and they were divided into nine groups based on their phylogenetic relationships. The gene structure and sequence features are relatively conserved within each group, which were divided based on their phylogenetic relationships, and consistent with those in Arabidopsis. The phylogenetic analysis results showed that RLCK-VII subfamily genes evolved in plants before the speciation of Arabidopsis and cotton, and segmental duplication was the major factor that caused the expansion of GhRLCKs. The diverse expression patterns of GhRLCKs in response to abiotic stresses (temperature, salt, and drought) and V. dahliae infection were observed. The candidates that may be involved in cotton's response to these stresses are highlighted. GhRLCK7 (GhRLCK7A and D), which is notably induced by V. dahliae infection, was demonstrated to positively regulate cotton defense against V. dahliae by the loss-of-function assay in cotton. These findings shed light on the details of the RLCK-VII subfamily in cotton and provide a scaffold for the further function elucidation and application of GhRLCKs for the germplasm innovation of cotton.
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Affiliation(s)
- Yuhan Cen
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China (S.G.)
- Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, China Agricultural University, Beijing 100193, China
| | - Shiyi Geng
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China (S.G.)
- Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, China Agricultural University, Beijing 100193, China
| | - Linying Gao
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China (S.G.)
| | - Xinyue Wang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China (S.G.)
- Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, China Agricultural University, Beijing 100193, China
| | - Xin Yan
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China (S.G.)
| | - Yuxia Hou
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China (S.G.)
| | - Ping Wang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China (S.G.)
- Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, China Agricultural University, Beijing 100193, China
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8
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Jalilian A, Bagheri A, Chalvon V, Meusnier I, Kroj T, Kakhki AM. The RLCK subfamily VII-4 controls pattern-triggered immunity and basal resistance to bacterial and fungal pathogens in rice. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2023; 115:1345-1356. [PMID: 37248636 DOI: 10.1111/tpj.16323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 04/25/2023] [Accepted: 05/18/2023] [Indexed: 05/31/2023]
Abstract
Receptor-like cytoplasmic kinases (RLCKs) mediate the intracellular signaling downstream of pattern-recognition receptors (PRRs). Several RLCKs from subfamily VII of rice (Oryza sativa) have important roles in plant immunity, but the role of RLCK VII-4 in pattern-triggered immune (PTI) signaling and resistance to pathogens has not yet been investigated. Here, we generated by multiplex clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated protein 9-mediated genome editing rice sextuple mutant lines where the entire RLCK VII-4 subfamily is inactivated and then analyzed the resulting lines for their response to chitin and flg22 and for their immunity to Xanthomonas oryzae pv. oryzae (Xoo) and Magnaporthe oryzae. Analysis of the rlckvii-4 mutants revealed that they have an impaired reactive oxygen system burst and reduced defense gene expression in response to flg22 and chitin. This indicates that members of the rice RLCK VII-4 subfamily are required for immune signaling downstream of multiple PRRs. Furthermore, we found that the rice RLCK VII-4 subfamily is important for chitin-induced callose deposition and mitogen-activated protein kinase activation and that it is crucial for basal resistance against Xoo and M. oryzae pathogens. This establishes that the RLCK VII-4 subfamily has critical functions in the regulation of multiple PTI pathways in rice and opens the way for deciphering the precise role of its members in the control of rice PTI.
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Affiliation(s)
- Ahmad Jalilian
- Department of Biotechnology and Plant Breeding, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Abdolreza Bagheri
- Department of Biotechnology and Plant Breeding, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Véronique Chalvon
- PHIM Plant Health Institute, Univ. Montpellier, INRAE, CIRAD, Institute Agro, IRD, Montpellier, France
| | - Isabelle Meusnier
- PHIM Plant Health Institute, Univ. Montpellier, INRAE, CIRAD, Institute Agro, IRD, Montpellier, France
| | - Thomas Kroj
- PHIM Plant Health Institute, Univ. Montpellier, INRAE, CIRAD, Institute Agro, IRD, Montpellier, France
| | - Amin Mirshamsi Kakhki
- Department of Biotechnology and Plant Breeding, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran
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9
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Zhong Q, Jia Q, Yin W, Wang Y, Rao Y, Mao Y. Advances in cloning functional genes for rice yield traits and molecular design breeding in China. FRONTIERS IN PLANT SCIENCE 2023; 14:1206165. [PMID: 37404533 PMCID: PMC10317195 DOI: 10.3389/fpls.2023.1206165] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 05/31/2023] [Indexed: 07/06/2023]
Abstract
Rice, a major food crop in China, contributes significantly to international food stability. Advances in rice genome sequencing, bioinformatics, and transgenic techniques have catalyzed Chinese researchers' discovery of novel genes that control rice yield. These breakthroughs in research also encompass the analysis of genetic regulatory networks and the establishment of a new framework for molecular design breeding, leading to numerous transformative findings in this field. In this review, some breakthroughs in rice yield traits and a series of achievements in molecular design breeding in China in recent years are presented; the identification and cloning of functional genes related to yield traits and the development of molecular markers of rice functional genes are summarized, with the intention of playing a reference role in the following molecular design breeding work and how to further improve rice yield.
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Affiliation(s)
- Qianqian Zhong
- College of Life Sciences, Zhejiang Normal University, Jinhua, Zhejiang, China
| | - Qiwei Jia
- College of Life Sciences, Zhejiang Normal University, Jinhua, Zhejiang, China
| | - Wenjing Yin
- College of Life Sciences, Zhejiang Normal University, Jinhua, Zhejiang, China
| | - Yuexing Wang
- State Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou, China
| | - Yuchun Rao
- College of Life Sciences, Zhejiang Normal University, Jinhua, Zhejiang, China
| | - Yijian Mao
- State Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou, China
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10
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Xie S, Liu H, Ma T, Shen S, Zheng H, Yang L, Liu L, Wei Z, Xin W, Zou D, Wang J. Global Phosphoproteomic Analysis Reveals the Defense and Response Mechanisms of Japonica Rice under Low Nitrogen Stress. Int J Mol Sci 2023; 24:ijms24097699. [PMID: 37175411 PMCID: PMC10178291 DOI: 10.3390/ijms24097699] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 04/18/2023] [Accepted: 04/20/2023] [Indexed: 05/15/2023] Open
Abstract
Nitrogen-based nutrients are the main factors affecting rice growth and development. As the nitrogen (N) application rate increased, the nitrogen use efficiency (NUE) of rice decreased. Therefore, it is important to understand the molecular mechanism of rice plant morphological, physiological, and yield formation under low N conditions to improve NUE. In this study, changes in the rice morphological, physiological, and yield-related traits under low N (13.33 ppm) and control N (40.00 ppm) conditions were performed. These results show that, compared with control N conditions, photosynthesis and growth were inhibited and the carbon (C)/N and photosynthetic nitrogen use efficiency (PNUE) were enhanced under low N conditions. To understand the post-translational modification mechanism underlying the rice response to low N conditions, comparative phosphoproteomic analysis was performed, and differentially modified proteins (DMPs) were further characterized. Compared with control N conditions, a total of 258 DMPs were identified under low N conditions. The modification of proteins involved in chloroplast development, chlorophyll synthesis, photosynthesis, carbon metabolism, phytohormones, and morphology-related proteins were differentially altered, which was an important reason for changes in rice morphological, physiological, and yield-related traits. Additionally, inconsistent changes in level of transcription and protein modification, indicates that the study of phosphoproteomics under low N conditions is also important for us to better understand the adaptation mechanism of rice to low N stress. These results provide insights into global changes in the response of rice to low N stress and may facilitate the development of rice cultivars with high NUE by regulating the phosphorylation level of carbon metabolism and rice morphology-related proteins.
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Affiliation(s)
- Shupeng Xie
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Ministry of Education, Northeast Agricultural University, Harbin 150030, China
- Suihua Branch of Heilongjiang Academy of Agricultural Science, Suihua 152052, China
| | - Hualong Liu
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Ministry of Education, Northeast Agricultural University, Harbin 150030, China
| | - Tianze Ma
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Ministry of Education, Northeast Agricultural University, Harbin 150030, China
| | - Shen Shen
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Ministry of Education, Northeast Agricultural University, Harbin 150030, China
| | - Hongliang Zheng
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Ministry of Education, Northeast Agricultural University, Harbin 150030, China
| | - Luomiao Yang
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Ministry of Education, Northeast Agricultural University, Harbin 150030, China
| | - Lichao Liu
- Suihua Branch of Heilongjiang Academy of Agricultural Science, Suihua 152052, China
| | - Zhonghua Wei
- Suihua Branch of Heilongjiang Academy of Agricultural Science, Suihua 152052, China
| | - Wei Xin
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Ministry of Education, Northeast Agricultural University, Harbin 150030, China
| | - Detang Zou
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Ministry of Education, Northeast Agricultural University, Harbin 150030, China
| | - Jingguo Wang
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Ministry of Education, Northeast Agricultural University, Harbin 150030, China
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11
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Izquierdo P, Kelly JD, Beebe SE, Cichy K. Combination of meta-analysis of QTL and GWAS to uncover the genetic architecture of seed yield and seed yield components in common bean. THE PLANT GENOME 2023:e20328. [PMID: 37082832 DOI: 10.1002/tpg2.20328] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 02/08/2023] [Accepted: 03/01/2023] [Indexed: 05/03/2023]
Abstract
Increasing seed yield in common bean could help to improve food security and reduce malnutrition globally due to the high nutritional quality of this crop. However, the complex genetic architecture and prevalent genotype by environment interactions for seed yield makes increasing genetic gains challenging. The aim of this study was to identify the most consistent genomic regions related with seed yield components and phenology reported in the last 20 years in common bean. A meta-analysis of quantitative trait locus (QTL) for seed yield components and phenology (MQTL-YC) was performed for 394 QTL reported in 21 independent studies under sufficient water and drought conditions. In total, 58 MQTL-YC over different genetic backgrounds and environments were identified, reducing threefold on average the confidence interval (CI) compared with the CI for the initial QTL. Furthermore, 40 MQTL-YC identified were co-located with 210 SNP peak positions reported via genome-wide association (GWAS), guiding the identification of candidate genes. Comparative genomics among these MQTL-YC with MQTL-YC reported in soybean and pea allowed the identification of 14 orthologous MQTL-YC shared across species. The integration of MQTL-YC, GWAS, and comparative genomics used in this study is useful to uncover and refine the most consistent genomic regions related with seed yield components for their use in plant breeding.
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Affiliation(s)
- Paulo Izquierdo
- Department of Plant Soil and Microbial Sciences, Michigan State University, East Lansing, MI, USA
| | - James D Kelly
- Department of Plant Soil and Microbial Sciences, Michigan State University, East Lansing, MI, USA
| | - Stephen E Beebe
- Bean Program, Crops for Health and Nutrition Area, Alliance Bioversity International-CIAT, Cali, Colombia
| | - Karen Cichy
- Department of Plant Soil and Microbial Sciences, Michigan State University, East Lansing, MI, USA
- USDA-ARS, Sugarbeet and Bean Research Unit, East Lansing, MI, USA
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12
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Bredow M, Natukunda MI, Beernink BM, Chicowski AS, Salas‐Fernandez MG, Whitham SA. Characterization of a foxtail mosaic virus vector for gene silencing and analysis of innate immune responses in Sorghum bicolor. MOLECULAR PLANT PATHOLOGY 2023; 24:71-79. [PMID: 36088637 PMCID: PMC9742499 DOI: 10.1111/mpp.13270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/19/2022] [Accepted: 08/22/2022] [Indexed: 05/08/2023]
Abstract
Sorghum is vulnerable to many biotic and abiotic stresses, which cause considerable yield losses globally. Efforts to genetically characterize beneficial sorghum traits, including disease resistance, plant architecture, and tolerance to abiotic stresses, are ongoing. One challenge faced by sorghum researchers is its recalcitrance to transformation, which has slowed gene validation efforts and utilization for cultivar development. Here, we characterize the use of a foxtail mosaic virus (FoMV) vector for virus-induced gene silencing (VIGS) by targeting two previously tested marker genes: phytoene desaturase (PDS) and ubiquitin (Ub). We additionally demonstrate VIGS of a subgroup of receptor-like cytoplasmic kinases (RLCKs) and report the role of these genes as positive regulators of early defence signalling. Silencing of subgroup 8 RLCKs also resulted in higher susceptibility to the bacterial pathogens Pseudomonas syringae pv. syringae (B728a) and Xanthomonas vasicola pv. holcicola, demonstrating the role of these genes in host defence against bacterial pathogens. Together, this work highlights the utility of FoMV-induced gene silencing in the characterization of genes mediating defence responses in sorghum. Moreover, FoMV was able to systemically infect six diverse sorghum genotypes with high efficiency at optimal temperatures for sorghum growth and therefore could be extrapolated to study additional traits of economic importance.
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Affiliation(s)
- Melissa Bredow
- Department of Plant Pathology, Entomology, and MicrobiologyIowa State UniversityAmesIowaUSA
| | - Martha Ibore Natukunda
- Department of AgronomyIowa State UniversityAmesIowaUSA
- Present address:
Department of BiologyAugustana UniversitySioux FallsSouth DakotaUSA.
| | - Bliss M. Beernink
- Department of Plant Pathology, Entomology, and MicrobiologyIowa State UniversityAmesIowaUSA
- Present address:
Department of Biological SciencesUniversity of ManitobaWinnipegManitobaCanada.
| | - Aline Sartor Chicowski
- Department of Plant Pathology, Entomology, and MicrobiologyIowa State UniversityAmesIowaUSA
| | | | - Steven A. Whitham
- Department of Plant Pathology, Entomology, and MicrobiologyIowa State UniversityAmesIowaUSA
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13
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Li D, Zhang F, Pinson SRM, Edwards JD, Jackson AK, Xia X, Eizenga GC. Assessment of Rice Sheath Blight Resistance Including Associations with Plant Architecture, as Revealed by Genome-Wide Association Studies. RICE (NEW YORK, N.Y.) 2022; 15:31. [PMID: 35716230 PMCID: PMC9206596 DOI: 10.1186/s12284-022-00574-4] [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: 06/14/2021] [Accepted: 05/13/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Sheath blight (ShB) disease caused by Rhizoctonia solani Kühn, is one of the most economically damaging rice (Oryza sativa L.) diseases worldwide. There are no known major resistance genes, leaving only partial resistance from small-effect QTL to deploy for cultivar improvement. Many ShB-QTL are associated with plant architectural traits detrimental to yield, including tall plants, late maturity, or open canopy from few or procumbent tillers, which confound detection of physiological resistance. RESULTS To identify QTL for ShB resistance, 417 accessions from the Rice Diversity Panel 1 (RDP1), developed for association mapping studies, were evaluated for ShB resistance, plant height and days to heading in inoculated field plots in Arkansas, USA (AR) and Nanning, China (NC). Inoculated greenhouse-grown plants were used to evaluate ShB using a seedling-stage method to eliminate effects from height or maturity, and tiller (TN) and panicle number (PN) per plant. Potted plants were used to evaluate the RDP1 for TN and PN. Genome-wide association (GWA) mapping with over 3.4 million SNPs identified 21 targeted SNP markers associated with ShB which tagged 18 ShB-QTL not associated with undesirable plant architecture traits. Ten SNPs were associated with ShB among accessions of the Indica subspecies, ten among Japonica subspecies accessions, and one among all RDP1 accessions. Across the 18 ShB QTL, only qShB4-1 was not previously reported in biparental mapping studies and qShB9 was not reported in the GWA ShB studies. All 14 PN QTL overlapped with TN QTL, with 15 total TN QTL identified. Allele effects at the five TN QTL co-located with ShB QTL indicated that increased TN does not inevitably increase disease development; in fact, for four ShB QTL that overlapped TN QTL, the alleles increasing resistance were associated with increased TN and PN, suggesting a desirable coupling of alleles at linked genes. CONCLUSIONS Nineteen accessions identified as containing the most SNP alleles associated with ShB resistance for each subpopulation were resistant in both AR and NC field trials. Rice breeders can utilize these accessions and SNPs to develop cultivars with enhanced ShB resistance along with increased TN and PN for improved yield potential.
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Affiliation(s)
- Danting Li
- Guangxi Key Laboratory of Rice Genetics and Breeding, Rice Research Institute, Guangxi Academy of Agricultural Sciences, Nanning, Guangxi, China
| | - Fantao Zhang
- College of Life Sciences, Jiangxi Normal University, Nanchang, Jiangxi, China
| | - Shannon R M Pinson
- USDA Dale Bumpers National Rice Research Center, 2890 Highway 130 East, Stuttgart, AR, 72160, USA.
| | - Jeremy D Edwards
- USDA Dale Bumpers National Rice Research Center, 2890 Highway 130 East, Stuttgart, AR, 72160, USA
| | - Aaron K Jackson
- USDA Dale Bumpers National Rice Research Center, 2890 Highway 130 East, Stuttgart, AR, 72160, USA
| | - Xiuzhong Xia
- Guangxi Key Laboratory of Rice Genetics and Breeding, Rice Research Institute, Guangxi Academy of Agricultural Sciences, Nanning, Guangxi, China
| | - Georgia C Eizenga
- USDA Dale Bumpers National Rice Research Center, 2890 Highway 130 East, Stuttgart, AR, 72160, USA.
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14
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Reshetnyak G, Jacobs JM, Auguy F, Sciallano C, Claude L, Medina C, Perez-Quintero AL, Comte A, Thomas E, Bogdanove A, Koebnik R, Szurek B, Dievart A, Brugidou C, Lacombe S, Cunnac S. An atypical class of non-coding small RNAs is produced in rice leaves upon bacterial infection. Sci Rep 2021; 11:24141. [PMID: 34921170 PMCID: PMC8683429 DOI: 10.1038/s41598-021-03391-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 11/29/2021] [Indexed: 01/18/2023] Open
Abstract
Non-coding small RNAs (sRNA) act as mediators of gene silencing and regulate plant growth, development and stress responses. Early insights into plant sRNAs established a role in antiviral defense and they are now extensively studied across plant-microbe interactions. Here, sRNA sequencing discovered a class of sRNA in rice (Oryza sativa) specifically associated with foliar diseases caused by Xanthomonas oryzae bacteria. Xanthomonas-induced small RNAs (xisRNAs) loci were distinctively upregulated in response to diverse virulent strains at an early stage of infection producing a single duplex of 20-22 nt sRNAs. xisRNAs production was dependent on the Type III secretion system, a major bacterial virulence factor for host colonization. xisRNA loci overlap with annotated transcripts sequences, with about half of them encoding protein kinase domain proteins. A number of the corresponding rice cis-genes have documented functions in immune signaling and xisRNA loci predominantly coincide with the coding sequence of a conserved kinase motif. xisRNAs exhibit features of small interfering RNAs and their biosynthesis depend on canonical components OsDCL1 and OsHEN1. xisRNA induction possibly mediates post-transcriptional gene silencing but they do not broadly suppress cis-genes expression on the basis of mRNA-seq data. Overall, our results identify a group of unusual sRNAs with a potential role in plant-microbe interactions.
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Affiliation(s)
- Ganna Reshetnyak
- PHIM Plant Health Institute, Univ Montpellier, IRD, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Jonathan M Jacobs
- PHIM Plant Health Institute, Univ Montpellier, IRD, CIRAD, INRAE, Institut Agro, Montpellier, France
- Department of Plant Pathology, The Ohio State University, Columbus, OH, 43201, USA
- Infectious Disease Institute, The Ohio State University, Columbus, OH, 43201, USA
| | - Florence Auguy
- PHIM Plant Health Institute, Univ Montpellier, IRD, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Coline Sciallano
- PHIM Plant Health Institute, Univ Montpellier, IRD, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Lisa Claude
- PHIM Plant Health Institute, Univ Montpellier, IRD, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Clemence Medina
- PHIM Plant Health Institute, Univ Montpellier, IRD, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Alvaro L Perez-Quintero
- PHIM Plant Health Institute, Univ Montpellier, IRD, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Aurore Comte
- PHIM Plant Health Institute, Univ Montpellier, IRD, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Emilie Thomas
- PHIM Plant Health Institute, Univ Montpellier, IRD, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Adam Bogdanove
- Plant Pathology and Plant-Microbe Biology Section, School of Integrative Plant Science, Cornell University, Ithaca, NY, USA
| | - Ralf Koebnik
- PHIM Plant Health Institute, Univ Montpellier, IRD, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Boris Szurek
- PHIM Plant Health Institute, Univ Montpellier, IRD, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Anne Dievart
- UMR AGAP Institut, Univ Montpellier, CIRAD, INRAE, Institut Agro, 34398, Montpellier, France
- CIRAD, UMR AGAP Institut, 34398, Montpellier, France
| | - Christophe Brugidou
- PHIM Plant Health Institute, Univ Montpellier, IRD, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Severine Lacombe
- PHIM Plant Health Institute, Univ Montpellier, IRD, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Sebastien Cunnac
- PHIM Plant Health Institute, Univ Montpellier, IRD, CIRAD, INRAE, Institut Agro, Montpellier, France.
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15
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Liang X, Bao Y, Zhang M, Du D, Rao S, Li Y, Wang X, Xu G, Zhou Z, Shen D, Chang Q, Duan W, Ai G, Lu J, Zhou JM, Dou D. A Phytophthora capsici RXLR effector targets and inhibits the central immune kinases to suppress plant immunity. THE NEW PHYTOLOGIST 2021; 232:264-278. [PMID: 34157161 DOI: 10.1111/nph.17573] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 06/07/2021] [Indexed: 06/13/2023]
Abstract
Receptor-like cytoplasmic kinase subfamily VII (RLCK-VII) proteins are the central immune kinases in plant pattern-recognition receptor (PRR) complexes, and they orchestrate a complex array of defense responses against bacterial and fungal pathogens. However, the role of RLCK-VII in plant-oomycete pathogen interactions has not been established. Phytophthora capsici is a notorious oomycete pathogen that infects many agriculturally important vegetables. Here, we report the identification of RXLR25, an RXLR effector that is required for the virulence of P. capsici. In planta expression of RXLR25 significantly enhanced plants' susceptibility to Phytophthora pathogens. Microbial pattern-induced immune activation in Arabidopsis was severely impaired by RXLR25. We further showed that RXLR25 interacts with RLCK-VII proteins. Using nine rlck-vii high-order mutants, we observed that RLCK-VII-6 and RLCK-VII-8 members are required for resistance to P. capsici. The RLCK-VII-6 members are specifically required for Phytophthora culture filtrate (CF)-induced immune responses. RXLR25 directly targets RLCK-VII proteins such as BIK1, PBL8, and PBL17 and inhibits pattern-induced phosphorylation of RLCK-VIIs to suppress downstream immune responses. This study identified a key virulence factor for P. capsici, and the results revealed the importance of RLCK-VII proteins in plant-oomycete interactions.
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Affiliation(s)
- Xiangxiu Liang
- MOA Key Lab of Pest Monitoring and Green Management, Department of Plant Pathology, College of Plant Protection, China Agricultural University, Beijing, 100193, China
| | - Yazhou Bao
- MOA Key Lab of Pest Monitoring and Green Management, Department of Plant Pathology, College of Plant Protection, China Agricultural University, Beijing, 100193, China
| | - Meixiang Zhang
- College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China
| | - Dandan Du
- MOA Key Lab of Pest Monitoring and Green Management, Department of Plant Pathology, College of Plant Protection, China Agricultural University, Beijing, 100193, China
| | - Shaofei Rao
- State Key Laboratory of Plant Genomics, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Yixin Li
- MOA Key Lab of Pest Monitoring and Green Management, Department of Plant Pathology, College of Plant Protection, China Agricultural University, Beijing, 100193, China
| | - Xiaodan Wang
- MOA Key Lab of Pest Monitoring and Green Management, Department of Plant Pathology, College of Plant Protection, China Agricultural University, Beijing, 100193, China
| | - Guangyuan Xu
- MOA Key Lab of Pest Monitoring and Green Management, Department of Plant Pathology, College of Plant Protection, China Agricultural University, Beijing, 100193, China
| | - Zhaoyang Zhou
- State Key Laboratories of Agrobiotechnology, Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, MOE Joint Laboratory for International Cooperation in Crop Molecular Breeding, China Agricultural University, Beijing, 100193, China
| | - Danyu Shen
- College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China
| | - Qin Chang
- MOA Key Lab of Pest Monitoring and Green Management, Department of Plant Pathology, College of Plant Protection, China Agricultural University, Beijing, 100193, China
| | - Weiwei Duan
- College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China
| | - Gan Ai
- College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China
| | - Jie Lu
- MOA Key Lab of Pest Monitoring and Green Management, Department of Plant Pathology, College of Plant Protection, China Agricultural University, Beijing, 100193, China
| | - Jian-Min Zhou
- State Key Laboratory of Plant Genomics, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Daolong Dou
- MOA Key Lab of Pest Monitoring and Green Management, Department of Plant Pathology, College of Plant Protection, China Agricultural University, Beijing, 100193, China
- College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China
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16
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DeFalco TA, Zipfel C. Molecular mechanisms of early plant pattern-triggered immune signaling. Mol Cell 2021; 81:3449-3467. [PMID: 34403694 DOI: 10.1016/j.molcel.2021.07.029] [Citation(s) in RCA: 154] [Impact Index Per Article: 51.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 07/21/2021] [Accepted: 07/23/2021] [Indexed: 10/20/2022]
Abstract
All eukaryotic organisms have evolved sophisticated immune systems to appropriately respond to biotic stresses. In plants and animals, a key part of this immune system is pattern recognition receptors (PRRs). Plant PRRs are cell-surface-localized receptor kinases (RKs) or receptor proteins (RPs) that sense microbe- or self-derived molecular patterns to regulate pattern-triggered immunity (PTI), a robust form of antimicrobial immunity. Remarkable progress has been made in understanding how PRRs perceive their ligands, form active protein complexes, initiate cell signaling, and ultimately coordinate the cellular reprogramming that leads to PTI. Here, we discuss the critical roles of PRR complex formation and phosphorylation in activating PTI signaling, as well as the emerging paradigm in which receptor-like cytoplasmic kinases (RLCKs) act as executors of signaling downstream of PRR activation.
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Affiliation(s)
- Thomas A DeFalco
- Institute of Plant and Microbial Biology, Zurich-Basel Plant Science Center, University of Zurich, Zurich, Switzerland
| | - Cyril Zipfel
- Institute of Plant and Microbial Biology, Zurich-Basel Plant Science Center, University of Zurich, Zurich, Switzerland; The Sainsbury Laboratory, University of East Anglia, Norwich Research Park, Norwich NR4 7UH, UK.
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Hu SP, Li JJ, Dhar N, Li JP, Chen JY, Jian W, Dai XF, Yang XY. Lysin Motif (LysM) Proteins: Interlinking Manipulation of Plant Immunity and Fungi. Int J Mol Sci 2021; 22:ijms22063114. [PMID: 33803725 PMCID: PMC8003243 DOI: 10.3390/ijms22063114] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 03/15/2021] [Accepted: 03/16/2021] [Indexed: 01/22/2023] Open
Abstract
The proteins with lysin motif (LysM) are carbohydrate-binding protein modules that play a critical role in the host-pathogen interactions. The plant LysM proteins mostly function as pattern recognition receptors (PRRs) that sense chitin to induce the plant's immunity. In contrast, fungal LysM blocks chitin sensing or signaling to inhibit chitin-induced host immunity. In this review, we provide historical perspectives on plant and fungal LysMs to demonstrate how these proteins are involved in the regulation of plant's immune response by microbes. Plants employ LysM proteins to recognize fungal chitins that are then degraded by plant chitinases to induce immunity. In contrast, fungal pathogens recruit LysM proteins to protect their cell wall from hydrolysis by plant chitinase to prevent activation of chitin-induced immunity. Uncovering this coevolutionary arms race in which LysM plays a pivotal role in manipulating facilitates a greater understanding of the mechanisms governing plant-fungus interactions.
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Affiliation(s)
- Shu-Ping Hu
- School of Life Sciences, Chongqing Normal University, Chongqing 401331, China; (S.-P.H.); (J.-P.L.); (W.J.)
| | - Jun-Jiao Li
- c/o State Key Laboratory for Biology of Plant Diseases and Insect Pests, Department of Plant Pathology, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (J.-J.L.); (J.-Y.C.)
| | - Nikhilesh Dhar
- Department of Plant Pathology, University of California Davis, Salinas, CA 93905, USA;
| | - Jun-Peng Li
- School of Life Sciences, Chongqing Normal University, Chongqing 401331, China; (S.-P.H.); (J.-P.L.); (W.J.)
| | - Jie-Yin Chen
- c/o State Key Laboratory for Biology of Plant Diseases and Insect Pests, Department of Plant Pathology, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (J.-J.L.); (J.-Y.C.)
| | - Wei Jian
- School of Life Sciences, Chongqing Normal University, Chongqing 401331, China; (S.-P.H.); (J.-P.L.); (W.J.)
| | - Xiao-Feng Dai
- c/o State Key Laboratory for Biology of Plant Diseases and Insect Pests, Department of Plant Pathology, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (J.-J.L.); (J.-Y.C.)
- Correspondence: (X.-F.D.); (X.-Y.Y.)
| | - Xing-Yong Yang
- School of Life Sciences, Chongqing Normal University, Chongqing 401331, China; (S.-P.H.); (J.-P.L.); (W.J.)
- Correspondence: (X.-F.D.); (X.-Y.Y.)
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18
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Zhao S, Jang S, Lee YK, Kim DG, Jin Z, Koh HJ. Genetic Basis of Tiller Dynamics of Rice Revealed by Genome-Wide Association Studies. PLANTS 2020; 9:plants9121695. [PMID: 33276582 PMCID: PMC7761586 DOI: 10.3390/plants9121695] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 11/27/2020] [Accepted: 11/29/2020] [Indexed: 11/16/2022]
Abstract
A tiller number is the key determinant of rice plant architecture and panicle number and consequently controls grain yield. Thus, it is necessary to optimize the tiller number to achieve the maximum yield in rice. However, comprehensive analyses of the genetic basis of the tiller number, considering the development stage, tiller type, and related traits, are lacking. In this study, we sequence 219 Korean rice accessions and construct a high-quality single nucleotide polymorphism (SNP) dataset. We also evaluate the tiller number at different development stages and heading traits involved in phase transitions. By genome-wide association studies (GWASs), we detected 20 significant association signals for all traits. Five signals were detected in genomic regions near known candidate genes. Most of the candidate genes were involved in the phase transition from vegetative to reproductive growth. In particular, HD1 was simultaneously associated with the productive tiller ratio and heading date, indicating that the photoperiodic heading gene directly controls the productive tiller ratio. Multiple linear regression models of lead SNPs showed coefficients of determination (R2) of 0.49, 0.22, and 0.41 for the tiller number at the maximum tillering stage, productive tiller number, and productive tiller ratio, respectively. Furthermore, the model was validated using independent japonica rice collections, implying that the lead SNPs included in the linear regression model were generally applicable to the tiller number prediction. We revealed the genetic basis of the tiller number in rice plants during growth, By GWASs, and formulated a prediction model by linear regression. Our results improve our understanding of tillering in rice plants and provide a basis for breeding high-yield rice varieties with the optimum the tiller number.
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Affiliation(s)
- Shuyu Zhao
- Department of Plant Science, Plant Genomics and Breeding Institute, Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea; (S.Z.); (S.J.); (Y.K.L.)
- Department of Agronomy, College of Agriculture, Northeast Agricultural University, Harbin 150030, China;
| | - Su Jang
- Department of Plant Science, Plant Genomics and Breeding Institute, Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea; (S.Z.); (S.J.); (Y.K.L.)
| | - Yoon Kyung Lee
- Department of Plant Science, Plant Genomics and Breeding Institute, Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea; (S.Z.); (S.J.); (Y.K.L.)
| | - Dong-Gwan Kim
- Department of Bioindustry and Bioresource Engineering, Department of Molecular Biology and Plant Engineering Research Institute, Sejong University, Seoul 05006, Korea;
| | - Zhengxun Jin
- Department of Agronomy, College of Agriculture, Northeast Agricultural University, Harbin 150030, China;
| | - Hee-Jong Koh
- Department of Plant Science, Plant Genomics and Breeding Institute, Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea; (S.Z.); (S.J.); (Y.K.L.)
- Correspondence:
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19
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Tanase DM, Gosav EM, Neculae E, Costea CF, Ciocoiu M, Hurjui LL, Tarniceriu CC, Maranduca MA, Lacatusu CM, Floria M, Serban IL. Genetic Basis of Tiller Dynamics of Rice Revealed by Genome-Wide Association Studies. Nutrients 2020; 12:nu12123719. [PMID: 33276482 PMCID: PMC7760723 DOI: 10.3390/nu12123719] [Citation(s) in RCA: 99] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 11/27/2020] [Accepted: 11/30/2020] [Indexed: 12/12/2022] Open
Abstract
A tiller number is the key determinant of rice plant architecture and panicle number and consequently controls grain yield. Thus, it is necessary to optimize the tiller number to achieve the maximum yield in rice. However, comprehensive analyses of the genetic basis of the tiller number, considering the development stage, tiller type, and related traits, are lacking. In this study, we sequence 219 Korean rice accessions and construct a high-quality single nucleotide polymorphism (SNP) dataset. We also evaluate the tiller number at different development stages and heading traits involved in phase transitions. By genome-wide association studies (GWASs), we detected 20 significant association signals for all traits. Five signals were detected in genomic regions near known candidate genes. Most of the candidate genes were involved in the phase transition from vegetative to reproductive growth. In particular, HD1 was simultaneously associated with the productive tiller ratio and heading date, indicating that the photoperiodic heading gene directly controls the productive tiller ratio. Multiple linear regression models of lead SNPs showed coefficients of determination (R2) of 0.49, 0.22, and 0.41 for the tiller number at the maximum tillering stage, productive tiller number, and productive tiller ratio, respectively. Furthermore, the model was validated using independent japonica rice collections, implying that the lead SNPs included in the linear regression model were generally applicable to the tiller number prediction. We revealed the genetic basis of the tiller number in rice plants during growth, By GWASs, and formulated a prediction model by linear regression. Our results improve our understanding of tillering in rice plants and provide a basis for breeding high-yield rice varieties with the optimum the tiller number.
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Affiliation(s)
- Daniela Maria Tanase
- Department of Internal Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700111 Iasi, Romania; (D.M.T.); (M.F.)
- Internal Medicine Clinic, “St. Spiridon” County Clinical Emergency Hospital Iasi, 700115 Iasi, Romania
| | - Evelina Maria Gosav
- Department of Internal Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700111 Iasi, Romania; (D.M.T.); (M.F.)
- Internal Medicine Clinic, “St. Spiridon” County Clinical Emergency Hospital Iasi, 700115 Iasi, Romania
- Correspondence:
| | - Ecaterina Neculae
- Department of Gastroenterology, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania;
- Institute of Gastroenterology and Hepatology, “St. Spiridon” County Clinical Emergency Hospital Iasi, 700111 Iasi, Romania
| | - Claudia Florida Costea
- Department of Ophthalmology, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania;
- 2nd Ophthalmology Clinic, “Nicolae Oblu” Emergency Clinical Hospital, 700309 Iași, Romania
| | - Manuela Ciocoiu
- Department of Pathophysiology, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania;
| | - Loredana Liliana Hurjui
- Department of Morpho-Functional Sciences II, Physiology Discipline, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (L.L.H.); (M.A.M.); (I.L.S.)
- Hematology Laboratory, “St. Spiridon” County Clinical Emergency Hospital, 700111 Iasi, Romania
| | - Claudia Cristina Tarniceriu
- Department of Morpho-Functional Sciences I, Discipline of Anatomy, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania;
- Hematology Clinic, “St. Spiridon” County Clinical Emergency Hospital, 700111 Iasi, Romania
| | - Minela Aida Maranduca
- Department of Morpho-Functional Sciences II, Physiology Discipline, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (L.L.H.); (M.A.M.); (I.L.S.)
| | - Cristina Mihaela Lacatusu
- Unit of Diabetes, Nutrition and Metabolic Diseases, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania;
- Clinical Center of Diabetes, Nutrition and Metabolic Diseases, “St. Spiridon” County Clinical Emergency Hospital, 700111 Iasi, Romania
| | - Mariana Floria
- Department of Internal Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700111 Iasi, Romania; (D.M.T.); (M.F.)
- Internal Medicine Clinic, Emergency Military Clinical Hospital, 700483 Iasi, Romania
| | - Ionela Lacramioara Serban
- Department of Morpho-Functional Sciences II, Physiology Discipline, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (L.L.H.); (M.A.M.); (I.L.S.)
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20
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Landraces of temperate japonica rice have superior alleles for improving culm strength associated with lodging resistance. Sci Rep 2020; 10:19855. [PMID: 33199753 PMCID: PMC7670413 DOI: 10.1038/s41598-020-76949-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 10/22/2020] [Indexed: 11/26/2022] Open
Abstract
Lodging can reduce grain yield and quality in cereal crops including rice (Oryza sativa L.). To achieve both high biomass production and lodging resistance, the breeding of new cultivars with strong culms is a promising strategy. However, little is known about the diversity of culm strength in temperate japonica rice and underlying genetic factors. Here, we report a wide variation of culm strength among 135 temperate japonica cultivars, and some landraces having the strongest culms among these cultivars. The genome-wide association study (GWAS) identified 55 quantitative trait loci for culm strength and morphological traits, and revealed several candidate genes. The superior allele of candidate gene for culm thickness, OsRLCK191, was found in many landraces but had not inherited to the modern improved cultivars. Our results suggest that landraces of temperate japonica rice have unutilized superior alleles for contributing future improvements of culm strength and lodging resistance.
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21
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Gong BQ, Wang FZ, Li JF. Hide-and-Seek: Chitin-Triggered Plant Immunity and Fungal Counterstrategies. TRENDS IN PLANT SCIENCE 2020; 25:805-816. [PMID: 32673581 DOI: 10.1016/j.tplants.2020.03.006] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 03/01/2020] [Accepted: 03/10/2020] [Indexed: 05/05/2023]
Abstract
Fungal pathogens are major destructive microorganisms for land plants and pose growing challenges to global crop production. Chitin is a vital building block for fungal cell walls and also a broadly effective elicitor of plant immunity. Here we review the rapid progress in understanding chitin perception and signaling in plants and highlight similarities and differences of these processes between arabidopsis and rice. We also outline moonlight functions of CERK1, an indispensable chitin coreceptor conserved across the plant kingdom, which imply potential crosstalk between chitin signaling and symbiotic or biotic/abiotic stress signaling in plants via CERK1. Moreover, we summarize current knowledge about fungal counterstrategies for subverting chitin-triggered plant immunity and propose open questions and future directions in this field.
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Affiliation(s)
- Ben-Qiang Gong
- Guangdong Provincial Key Laboratory of Plant Resources, State Key Laboratory of Biocontrol, MOE Key Laboratory of Gene Function and Regulation, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China
| | - Feng-Zhu Wang
- Guangdong Provincial Key Laboratory of Plant Resources, State Key Laboratory of Biocontrol, MOE Key Laboratory of Gene Function and Regulation, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China
| | - Jian-Feng Li
- Guangdong Provincial Key Laboratory of Plant Resources, State Key Laboratory of Biocontrol, MOE Key Laboratory of Gene Function and Regulation, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China.
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22
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Ye C, Zhou Q, Wu X, Ji G, Li QQ. Genome-wide alternative polyadenylation dynamics in response to biotic and abiotic stresses in rice. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 183:109485. [PMID: 31376807 DOI: 10.1016/j.ecoenv.2019.109485] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 07/24/2019] [Accepted: 07/26/2019] [Indexed: 05/24/2023]
Abstract
Alternative polyadenylation (APA) is an important way to regulate gene expression at the post-transcriptional level, and is extensively involved in plant stress responses. However, the systematic roles of APA regulation in response to abiotic and biotic stresses in rice at the genome scale remain unknown. To take advantage of available RNA-seq datasets, using a novel tool APAtrap, we identified thousands of genes with significantly differential usage of polyadenylation [poly(A)] sites in response to the abiotic stress (drought, heat shock, and cadmium) and biotic stress [bacterial blight (BB), rice blast, and rice stripe virus (RSV)]. Genes with stress-responsive APA dynamics commonly exhibited higher expression levels when their isoforms with short 3' untranslated region (3' UTR) were more abundant. The stress-responsive APA events were widely involved in crucial stress-responsive genes and pathways: e.g. APA acted as a negative regulator in heat stress tolerance; APA events were involved in DNA repair and cell wall formation under Cd stress; APA regulated chlorophyll metabolism, being associated with the pathogenesis of leaf diseases under RSV and BB challenges. Furthermore, APA events were found to be involved in glutathione metabolism and MAPK signaling pathways, mediating a crosstalk among the abiotic and biotic stress-responsive regulatory networks in rice. Analysis of large-scale datasets revealed that APA may regulate abiotic and biotic stress-responsive processes in rice. Such post-transcriptome diversities contribute to rice adaption to various environmental challenges. Our study would supply useful resource for further molecular assisted breeding of multiple stress-tolerant cultivars for rice.
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Affiliation(s)
- Congting Ye
- Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, College of the Environment and Ecology, Xiamen University, Xiamen, Fujian, 361102, China.
| | - Qian Zhou
- Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, College of the Environment and Ecology, Xiamen University, Xiamen, Fujian, 361102, China; Graduate College of Biomedical Sciences, Western University of Health Sciences, Pomona, CA, 91766, USA.
| | - Xiaohui Wu
- Department of Automation, Xiamen University, Xiamen, Fujian, 361005, China.
| | - Guoli Ji
- Department of Automation, Xiamen University, Xiamen, Fujian, 361005, China.
| | - Qingshun Quinn Li
- Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, College of the Environment and Ecology, Xiamen University, Xiamen, Fujian, 361102, China; Graduate College of Biomedical Sciences, Western University of Health Sciences, Pomona, CA, 91766, USA.
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Sugano S, Maeda S, Hayashi N, Kajiwara H, Inoue H, Jiang CJ, Takatsuji H, Mori M. Tyrosine phosphorylation of a receptor-like cytoplasmic kinase, BSR1, plays a crucial role in resistance to multiple pathogens in rice. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2018; 96:1137-1147. [PMID: 30222251 DOI: 10.1111/tpj.14093] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Revised: 08/29/2018] [Accepted: 09/06/2018] [Indexed: 06/08/2023]
Abstract
Plants have evolved many receptor-like cytoplasmic kinases (RLCKs) to modulate their growth, development, and innate immunity. Broad-Spectrum Resistance 1 (BSR1) encodes a rice RLCK, whose overexpression confers resistance to multiple diseases, including fungal rice blast and bacterial leaf blight. However, the mechanisms underlying resistance remain largely unknown. In the present study, we report that BSR1 is a functional protein kinase that autophosphorylates and transphosphorylates an artificial substrate in vitro. Although BSR1 is classified as a serine/threonine kinase, it was shown to autophosphorylate on tyrosine as well as on serine/threonine residues when expressed in bacteria, demonstrating that it is a dual-specificity kinase. Protein kinase activity was found to be indispensable for resistance to rice blast and leaf blight in BSR1-overexpressing plants. Importantly, tyrosine phosphorylation of BSR1 was critical for proper localization of BSR1 in rice cells and played a crucial role in BSR1-mediated resistance to multiple diseases, as evidenced by compromised disease resistance in transgenic plants overexpressing a mutant BSR1 in which Tyr-63 was substituted with Ala. Overall, our data indicate that BSR1 is a non-receptor dual-specificity kinase and that both tyrosine and serine/threonine kinase activities are critical for the normal functioning of BSR1 in the resistance to multiple pathogens. Our results support the notion that tyrosine phosphorylation plays a major regulatory role in the transduction of defense signals from cell-surface receptor complexes to downstream signaling components in plants.
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Affiliation(s)
- Shoji Sugano
- Plant Function Research Unit, Division of Plant and Microbial Sciences, Institute of Agrobiological Sciences, National Agriculture and Food Research Organization (NARO), Kannondai 2-1-2, Tsukuba, Ibaraki, 305-8602, Japan
| | - Satoru Maeda
- Plant Function Research Unit, Division of Plant and Microbial Sciences, Institute of Agrobiological Sciences, National Agriculture and Food Research Organization (NARO), Kannondai 2-1-2, Tsukuba, Ibaraki, 305-8602, Japan
| | - Nagao Hayashi
- Plant Function Research Unit, Division of Plant and Microbial Sciences, Institute of Agrobiological Sciences, National Agriculture and Food Research Organization (NARO), Kannondai 2-1-2, Tsukuba, Ibaraki, 305-8602, Japan
| | - Hideyuki Kajiwara
- Advanced Analysis Center (NAAC), NARO, Kannondai 2-1-2, Tsukuba, Ibaraki, 305-8602, Japan
| | - Haruhiko Inoue
- Plant Function Research Unit, Division of Plant and Microbial Sciences, Institute of Agrobiological Sciences, National Agriculture and Food Research Organization (NARO), Kannondai 2-1-2, Tsukuba, Ibaraki, 305-8602, Japan
| | - Chang-Jie Jiang
- Plant Function Research Unit, Division of Plant and Microbial Sciences, Institute of Agrobiological Sciences, National Agriculture and Food Research Organization (NARO), Kannondai 2-1-2, Tsukuba, Ibaraki, 305-8602, Japan
| | - Hiroshi Takatsuji
- Plant Function Research Unit, Division of Plant and Microbial Sciences, Institute of Agrobiological Sciences, National Agriculture and Food Research Organization (NARO), Kannondai 2-1-2, Tsukuba, Ibaraki, 305-8602, Japan
| | - Masaki Mori
- Plant Function Research Unit, Division of Plant and Microbial Sciences, Institute of Agrobiological Sciences, National Agriculture and Food Research Organization (NARO), Kannondai 2-1-2, Tsukuba, Ibaraki, 305-8602, Japan
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Monaghan J. Conserved Degradation of Orthologous RLCKs Regulates Immune Homeostasis. TRENDS IN PLANT SCIENCE 2018; 23:554-557. [PMID: 29776748 DOI: 10.1016/j.tplants.2018.05.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Accepted: 05/02/2018] [Indexed: 05/26/2023]
Abstract
Arabidopsis (Arabidopsis thaliana) AtBIK1 and rice (Oryza sativa) OsRLCK176 are orthologous receptor-like cytoplasmic kinases involved in immune signaling. Recent studies indicate that proteasomal turnover of these kinases is regulated by orthologous Ca2+-dependent protein kinases AtCPK28 and OsCPK4, revealing conserved interplay between phosphorylation and ubiquitination in immune homeostasis.
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25
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Zhang W, Sun P, He Q, Shu F, Deng H. Transcriptome analysis of near-isogenic line provides novel insights into genes associated with panicle traits regulation in rice. PLoS One 2018; 13:e0199077. [PMID: 29924832 PMCID: PMC6010284 DOI: 10.1371/journal.pone.0199077] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 05/31/2018] [Indexed: 11/18/2022] Open
Abstract
Panicle traits in rice impact yield and quality. The OsGRF4 gene encodes a growth-regulating factor controlling panicle traits, and was recently cloned. Gene expression profiling analysis can be used to study the molecular mechanisms underlying OsGRF4 regulation. Use of near-isogenic lines (NILs) reduces genetic background noise in omics studies. We compared transcriptome profiling of 7 cm long young panicles of NIL-Osgrf4 and NIL-OsGRF4 using RNAs sequence analyses. Eighty differentially expressed genes (DEGs) were identified. Our target gene OsGRF4 was up-regulated in NIL-OsGRF4 plants, which is consistent with a previous qPCR analysis. Hierarchical cluster analysis showed OsGRF4 is tightly clustered with the up-regulated DEG LOC_Os02g47320. Gene Ontology (GO) and KEGG analysis suggested that DEGs were primarily involved in somatic embryogenesis and chitinase activity. Two up-regulated DEGs, LOC_Os04g41680 and LOC_Os04g41620, were significantly enriched in the top 8 GO terms, and were over_represented in term of seed development, and may play key roles in grain shape regulation. The transcription factor Osmyb1 also exhibited differential expression between NILs, and may be is an important regulator of panicle traits. By searching reported functions of DEGs and by co-localization with previous identified quantitative trait loci (QTL), we determined that the pleiotropic gene OsGRF4 may also be involve in abiotic stress resistance. This study provides new candidates genes for further understanding the molecular mechanisms underlying rice panicle trait regulation.
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Affiliation(s)
- Wuhan Zhang
- State Key Laboratory of Hybrid Rice, Hunan Hybrid Rice Research Center, Hunan Academy of Agricultural Sciences, Changsha, China
- Collaborative Innovation Center of Grain and Oil Crops in South China, Changsha, China
- China National Japonica Rice Research and Development Center, Tianjin, China
| | - Pingyong Sun
- State Key Laboratory of Hybrid Rice, Hunan Hybrid Rice Research Center, Hunan Academy of Agricultural Sciences, Changsha, China
| | - Qiang He
- State Key Laboratory of Hybrid Rice, Hunan Hybrid Rice Research Center, Hunan Academy of Agricultural Sciences, Changsha, China
- Collaborative Innovation Center of Grain and Oil Crops in South China, Changsha, China
| | - Fu Shu
- State Key Laboratory of Hybrid Rice, Hunan Hybrid Rice Research Center, Hunan Academy of Agricultural Sciences, Changsha, China
- Collaborative Innovation Center of Grain and Oil Crops in South China, Changsha, China
| | - Huafeng Deng
- State Key Laboratory of Hybrid Rice, Hunan Hybrid Rice Research Center, Hunan Academy of Agricultural Sciences, Changsha, China
- Collaborative Innovation Center of Grain and Oil Crops in South China, Changsha, China
- * E-mail:
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26
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Zeng DD, Yang CC, Qin R, Alamin M, Yue EK, Jin XL, Shi CH. A guanine insert in OsBBS1 leads to early leaf senescence and salt stress sensitivity in rice (Oryza sativa L.). PLANT CELL REPORTS 2018; 37:933-946. [PMID: 29572657 DOI: 10.1007/s00299-018-2280-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Accepted: 03/14/2018] [Indexed: 05/24/2023]
Abstract
A rice receptor-like kinase gene OSBBS1/OsRLCK109 was identified; this gene played vital roles in leaf senescence and the salt stress response. Early leaf senescence can cause negative effects on rice yield, but the underlying molecular regulation is not fully understood. bilateral blade senescence 1 (bbs1), an early leaf senescence mutant with a premature senescence phenotype that occurs mainly performing at the leaf margins, was isolated from a rice mutant population generated by ethylmethane sulfonate (EMS) treatment. The mutant showed premature leaf senescence beginning at the tillering stage and exhibited severe symptoms at the late grain-filling stage. bbs1 showed accelerated dark-induced leaf senescence. The OsBBS1 gene was cloned by a map-based cloning strategy, and a guanine (G) insertion was found in the first exon of LOC_Os03g24930. This gene encodes a receptor-like cytoplasmic kinase and was named OsRLCK109 in a previous study. Transgenic LOC_Os03g24930 knockout plants generated by a CRISPR/Cas9 strategy exhibited similar early leaf senescence phenotypes as did the bbs1 mutant, which confirmed that LOC_Os03g24930 was the OsBBS1 gene. OsBBS1/OsRLCK109 was expressed in all detected tissues and was predominantly expressed in the main vein region of mature leaves. The expression of OsBBS1 could be greatly induced by salt stress, and the bbs1 mutant exhibited hypersensitivity to salt stress. In conclusion, this is the first identification of OsRLCKs participating in leaf senescence and playing critical roles in the salt stress response in rice (Oryza sativa L.).
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Affiliation(s)
- Dong-Dong Zeng
- Department of Agronomy, Zhejiang University, Hangzhou, 310058, China
| | - Cheng-Cong Yang
- Department of Agronomy, Zhejiang University, Hangzhou, 310058, China
| | - Ran Qin
- Department of Agronomy, Zhejiang University, Hangzhou, 310058, China
| | - Md Alamin
- Department of Agronomy, Zhejiang University, Hangzhou, 310058, China
| | - Er-Kui Yue
- Department of Agronomy, Zhejiang University, Hangzhou, 310058, China
| | - Xiao-Li Jin
- Department of Agronomy, Zhejiang University, Hangzhou, 310058, China
| | - Chun-Hai Shi
- Department of Agronomy, Zhejiang University, Hangzhou, 310058, China.
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Liang X, Zhou JM. Receptor-Like Cytoplasmic Kinases: Central Players in Plant Receptor Kinase-Mediated Signaling. ANNUAL REVIEW OF PLANT BIOLOGY 2018; 69:267-299. [PMID: 29719165 DOI: 10.1146/annurev-arplant-042817-040540] [Citation(s) in RCA: 256] [Impact Index Per Article: 42.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Receptor kinases (RKs) are of paramount importance in transmembrane signaling that governs plant reproduction, growth, development, and adaptation to diverse environmental conditions. Receptor-like cytoplasmic kinases (RLCKs), which lack extracellular ligand-binding domains, have emerged as a major class of signaling proteins that regulate plant cellular activities in response to biotic/abiotic stresses and endogenous extracellular signaling molecules. By associating with immune RKs, RLCKs regulate multiple downstream signaling nodes to orchestrate a complex array of defense responses against microbial pathogens. RLCKs also associate with RKs that perceive brassinosteroids and signaling peptides to coordinate growth, pollen tube guidance, embryonic and stomatal patterning, floral organ abscission, and abiotic stress responses. The activity and stability of RLCKs are dynamically regulated not only by RKs but also by other RLCK-associated proteins. Analyses of RLCK-associated components and substrates have suggested phosphorylation relays as a major mechanism underlying RK-mediated signaling.
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Affiliation(s)
- Xiangxiu Liang
- State Key Laboratory of Plant Genomics, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Chaoyang District, 100101 Beijing, China;
| | - Jian-Min Zhou
- State Key Laboratory of Plant Genomics, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Chaoyang District, 100101 Beijing, China;
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28
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Fan J, Bai P, Ning Y, Wang J, Shi X, Xiong Y, Zhang K, He F, Zhang C, Wang R, Meng X, Zhou J, Wang M, Shirsekar G, Park CH, Bellizzi M, Liu W, Jeon JS, Xia Y, Shan L, Wang GL. The Monocot-Specific Receptor-like Kinase SDS2 Controls Cell Death and Immunity in Rice. Cell Host Microbe 2018; 23:498-510.e5. [PMID: 29576481 PMCID: PMC6267930 DOI: 10.1016/j.chom.2018.03.003] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Revised: 09/15/2017] [Accepted: 02/26/2018] [Indexed: 11/19/2022]
Abstract
Programmed cell death (PCD) plays critical roles in plant immunity but must be regulated to prevent excessive damage. The E3 ubiquitin ligase SPL11 negatively regulates PCD and immunity in plants. We show that SPL11 cell-death suppressor 2 (SDS2), an S-domain receptor-like kinase, positively regulates PCD and immunity in rice by engaging and regulating SPL11 and related kinases controlling defense responses. An sds2 mutant shows reduced immune responses and enhanced susceptibility to the blast fungus Magnaporthe oryzae. Conversely, SDS2 over-expression induces constitutive PCD accompanied by elevated immune responses and enhanced resistance to M. oryzae. SDS2 interacts with and phosphorylates SPL11, which in turn ubiquitinates SDS2, leading to its degradation. In addition, SDS2 interacts with related receptor-like cytoplasmic kinases, OsRLCK118/176, that positively regulate immunity by phosphorylating the NADPH oxidase OsRbohB to stimulate ROS production. Thus, a plasma membrane-resident protein complex consisting of SDS2, SPL11, and OsRLCK118/176 controls PCD and immunity in rice.
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Affiliation(s)
- Jiangbo Fan
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; Department of Plant Pathology, The Ohio State University, Columbus, OH 43210, USA
| | - Pengfei Bai
- Department of Plant Pathology, The Ohio State University, Columbus, OH 43210, USA
| | - Yuese Ning
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Jiyang Wang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Xuetao Shi
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yehui Xiong
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Kai Zhang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Feng He
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Chongyang Zhang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Ruyi Wang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Xiangzong Meng
- Department of Plant Pathology and Microbiology, Institute for Plant Genomics and Biotechnology, Texas A&M University, College Station, TX 77843, USA
| | - Jinggeng Zhou
- Department of Plant Pathology and Microbiology, Institute for Plant Genomics and Biotechnology, Texas A&M University, College Station, TX 77843, USA
| | - Mo Wang
- Department of Plant Pathology, The Ohio State University, Columbus, OH 43210, USA
| | - Gautam Shirsekar
- Department of Plant Pathology, The Ohio State University, Columbus, OH 43210, USA
| | - Chan Ho Park
- Department of Plant Pathology, The Ohio State University, Columbus, OH 43210, USA
| | - Maria Bellizzi
- Department of Plant Pathology, The Ohio State University, Columbus, OH 43210, USA
| | - Wende Liu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Jong-Seong Jeon
- Graduate School of Biotechnology, Kyung Hee University, Yongin 17104, Korea
| | - Ye Xia
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Libo Shan
- Department of Plant Pathology and Microbiology, Institute for Plant Genomics and Biotechnology, Texas A&M University, College Station, TX 77843, USA
| | - Guo-Liang Wang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; Department of Plant Pathology, The Ohio State University, Columbus, OH 43210, USA.
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29
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Akhter D, Qin R, Nath UK, Alamin M, Jin X, Shi C. The Brown Midrib Leaf (bml) Mutation in Rice (Oryza sativa L.) Causes Premature Leaf Senescence and the Induction of Defense Responses. Genes (Basel) 2018; 9:genes9040203. [PMID: 29642546 PMCID: PMC5924545 DOI: 10.3390/genes9040203] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Revised: 03/30/2018] [Accepted: 03/30/2018] [Indexed: 11/20/2022] Open
Abstract
Isolating and characterizing mutants with altered senescence phenotypes is one of the ways to understand the molecular basis of leaf aging. Using ethyl methane sulfonate mutagenesis, a new rice (Oryza sativa) mutant, brown midrib leaf (bml), was isolated from the indica cultivar ‘Zhenong34’. The bml mutants had brown midribs in their leaves and initiated senescence prematurely, at the onset of heading. The mutants had abnormal cells with degraded chloroplasts and contained less chlorophyll compared to the wild type (WT). The bml mutant showed excessive accumulation of reactive oxygen species (ROS), increased activities of superoxide dismutase, catalase, and malondialdehyde, upregulation of senescence-induced STAY-GREEN genes and senescence-related transcription factors, and down regulation of photosynthesis-related genes. The levels of abscisic acid (ABA) and jasmonic acid (JA) were increased in bml with the upregulation of some ABA and JA biosynthetic genes. In pathogen response, bml demonstrated higher resistance against Xanthomonas oryzae pv. oryzae and upregulation of four pathogenesis-related genes compared to the WT. A genetic study confirmed that the bml trait was caused by a single recessive nuclear gene (BML). A map-based cloning using insertion/deletion markers confirmed that BML was located in the 57.32kb interval between the L5IS7 and L5IS11 markers on the short arm of chromosome 5. A sequence analysis of the candidate region identified a 1 bp substitution (G to A) in the 5′-UTR (+98) of bml. BML is a candidate gene associated with leaf senescence, ROS regulation, and disease response, also involved in hormone signaling in rice. Therefore, this gene might be useful in marker-assisted backcrossing/gene editing to improve rice cultivars.
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Affiliation(s)
- Delara Akhter
- Department of Agronomy, Zhejiang University, Hangzhou 310027, China.
- Department of Genetics and Plant Breeding, Sylhet Agricultural University, Sylhet 3100, Bangladesh.
| | - Ran Qin
- Department of Agronomy, Zhejiang University, Hangzhou 310027, China.
| | - Ujjal Kumar Nath
- Department of Genetics and Plant Breeding, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh.
| | - Md Alamin
- Department of Agronomy, Zhejiang University, Hangzhou 310027, China.
| | - Xiaoli Jin
- Department of Agronomy, Zhejiang University, Hangzhou 310027, China.
| | - Chunhai Shi
- Department of Agronomy, Zhejiang University, Hangzhou 310027, China.
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30
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Caddell DF, Park CJ, Thomas NC, Canlas PE, Ronald PC. Silencing of the Rice Gene LRR1 Compromises Rice Xa21 Transcript Accumulation and XA21-Mediated Immunity. RICE (NEW YORK, N.Y.) 2017; 10:23. [PMID: 28534133 PMCID: PMC5440417 DOI: 10.1186/s12284-017-0162-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Accepted: 05/11/2017] [Indexed: 05/27/2023]
Abstract
BACKGROUND The rice immune receptor XA21 confers resistance to Xanthomonas oryzae pv. oryzae (Xoo), the causal agent of bacterial leaf blight. We previously demonstrated that an auxilin-like protein, XA21 BINDING PROTEIN 21 (XB21), positively regulates resistance to Xoo. RESULTS To further investigate the function of XB21, we performed a yeast two-hybrid screen. We identified 22 unique XB21 interacting proteins, including LEUCINE-RICH REPEAT PROTEIN 1 (LRR1), which we selected for further analysis. Silencing of LRR1 in the XA21 genetic background (XA21-LRR1Ri) compromises resistance to Xoo compared with control XA21 plants. XA21-LRR1Ri plants have reduced Xa21 transcript levels and reduced expression of genes that serve as markers of XA21-mediated activation. Overexpression of LRR1 is insufficient to alter resistance to Xoo in rice lines lacking XA21. CONCLUSIONS Taken together, our results indicate that LRR1 is required for wild-type Xa21 transcript expression and XA21-mediated immunity.
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Affiliation(s)
- Daniel F. Caddell
- Department of Plant Pathology and the Genome Center, University of California, Davis, Davis, CA 95616 USA
| | - Chang-Jin Park
- Department of Plant Pathology and the Genome Center, University of California, Davis, Davis, CA 95616 USA
- Present Address: Department of Bioresources Engineering and PERI, Sejong University, Seoul, 05006 Republic of Korea
| | - Nicholas C. Thomas
- Department of Plant Pathology and the Genome Center, University of California, Davis, Davis, CA 95616 USA
- Present Address: Department of Plant Pathology and Microbiology, University of California, Riverside, Riverside, CA 92521 USA
| | - Patrick E. Canlas
- Department of Plant Pathology and the Genome Center, University of California, Davis, Davis, CA 95616 USA
| | - Pamela C. Ronald
- Department of Plant Pathology and the Genome Center, University of California, Davis, Davis, CA 95616 USA
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31
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Li Z, Ao Y, Feng D, Liu J, Wang J, Wang HB, Liu B. OsRLCK 57, OsRLCK107 and OsRLCK118 Positively Regulate Chitin- and PGN-Induced Immunity in Rice. RICE (NEW YORK, N.Y.) 2017; 10:6. [PMID: 28220451 PMCID: PMC5318303 DOI: 10.1186/s12284-017-0145-6] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Accepted: 02/14/2017] [Indexed: 05/18/2023]
Abstract
BACKGROUND The receptor-like cytoplasmic kinase, OsRLCK176 has been reported to participate in both chitin- and PGN-induced immunity in rice. Here, we further researched the function of the homologous proteins, OsRLCK57, OsRLCK107 and OsRLCK118, in chitin- and PGN immunity in rice. FINDINGS Silencing of OsRLCK57,OsRLCK107 and OsRLCK118 suppressed chitin- and PGN-induced immunity responses, including reactive oxygen species generation, defense gene expression. Furthermore, OsRLCK107 could interact with OsCERK1 in a MAMP induced way, which suggested a possible physiological relevance of OsRLCKs107 to OsCERK1 pathway. CONCLUSIONS OsRLCK57, OsRLCK107 and OsRLCK118, positively regulate chitin- and PGN- induced responses in rice, similar to that observed in OsRLCK176.
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Affiliation(s)
- Zhangqun Li
- State Key Laboratory of Biocontrol and Collaborative Innovation Center of Genetics and Development, Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, 510275 Guangzhou, People’s Republic of China
| | - Ying Ao
- State Key Laboratory of Biocontrol and Collaborative Innovation Center of Genetics and Development, Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, 510275 Guangzhou, People’s Republic of China
| | - Dongru Feng
- State Key Laboratory of Biocontrol and Collaborative Innovation Center of Genetics and Development, Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, 510275 Guangzhou, People’s Republic of China
| | - Jun Liu
- State Key Laboratory of Biocontrol and Collaborative Innovation Center of Genetics and Development, Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, 510275 Guangzhou, People’s Republic of China
| | - Jinfa Wang
- State Key Laboratory of Biocontrol and Collaborative Innovation Center of Genetics and Development, Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, 510275 Guangzhou, People’s Republic of China
| | - Hong-Bin Wang
- State Key Laboratory of Biocontrol and Collaborative Innovation Center of Genetics and Development, Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, 510275 Guangzhou, People’s Republic of China
| | - Bing Liu
- State Key Laboratory of Biocontrol and Collaborative Innovation Center of Genetics and Development, Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, 510275 Guangzhou, People’s Republic of China
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32
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Wang C, Wang G, Zhang C, Zhu P, Dai H, Yu N, He Z, Xu L, Wang E. OsCERK1-Mediated Chitin Perception and Immune Signaling Requires Receptor-like Cytoplasmic Kinase 185 to Activate an MAPK Cascade in Rice. MOLECULAR PLANT 2017; 10:619-633. [PMID: 28111288 DOI: 10.1016/j.molp.2017.01.006] [Citation(s) in RCA: 113] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Revised: 01/02/2017] [Accepted: 01/10/2017] [Indexed: 05/06/2023]
Abstract
Conserved pathogen-associated molecular patterns (PAMPs), such as chitin, are perceived by pattern recognition receptors (PRRs) located at the host cell surface and trigger rapid activation of mitogen-activated protein kinase (MAPK) cascades, which are required for plant resistance to pathogens. However, the direct links from PAMP perception to MAPK activation in plants remain largely unknown. In this study, we found that the PRR-associated receptor-like cytoplasmic kinase Oryza sativa RLCK185 transmits immune signaling from the PAMP receptor OsCERK1 to an MAPK signaling cascade through interaction with an MAPK kinase kinase, OsMAPKKKε, which is the initial kinase of the MAPK cascade. OsRLCK185 interacts with and phosphorylates the C-terminal regulatory domain of OsMAPKKKε. Coexpression of phosphomimetic OsRLCK185 and OsMAPKKKε activates MAPK3/6 phosphorylation in Nicotiana benthamiana leaves. Moreover, OsMAPKKKε interacts with and phosphorylates OsMKK4, a key MAPK kinase that transduces the chitin signal. Overexpression of OsMAPKKKε increases chitin-induced MAPK3/6 activation, whereas OsMAPKKKε knockdown compromises chitin-induced MAPK3/6 activation and resistance to rice blast fungus. Taken together, our results suggest the existence of a phospho-signaling pathway from cell surface chitin perception to intracellular activation of an MAPK cascade in rice.
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Affiliation(s)
- Chao Wang
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200032, China
| | - Gang Wang
- Department of Biology, East China Normal University, Shanghai 200241, China; National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200032, China
| | - Chi Zhang
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200032, China
| | - Pinkuan Zhu
- Department of Biology, East China Normal University, Shanghai 200241, China
| | - Huiling Dai
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200032, China
| | - Nan Yu
- College of Life and Environment Sciences, Shanghai Normal University, Shanghai 200234, China
| | - Zuhua He
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200032, China
| | - Ling Xu
- Department of Biology, East China Normal University, Shanghai 200241, China.
| | - Ertao Wang
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200032, China.
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33
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Wang J, Shi H, Zhou L, Peng C, Liu D, Zhou X, Wu W, Yin J, Qin H, Ma W, He M, Li W, Wang J, Li S, Chen X. OsBSK1-2, an Orthologous of AtBSK1, Is Involved in Rice Immunity. FRONTIERS IN PLANT SCIENCE 2017; 8:908. [PMID: 28680425 PMCID: PMC5478731 DOI: 10.3389/fpls.2017.00908] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Accepted: 05/15/2017] [Indexed: 05/20/2023]
Abstract
The brassinosteroid-SIGNALING KINASE (BSK) belongs to the receptor-like cytoplasmic kinase XII subgroup. BSK1 regulates development and immunity in Arabidopsis. However, the function of rice (Oryza sativa) BSK1 is largely unknown. Here, we report that the expression level of OsBSK1-2 is induced after a chitin or fagellin22 (flg22) treatment. Silencing OsBSK1-2 in rice results in compromised responses to chitin- or flg22-triggered immunity and resistance to Magnaporthe oryzae, but does not alter the plant's architecture nor reduce plant responses to brassinosteroid signaling. Our study reveals that OsBSK1-2 functions as a major regulator in rice plant immunity.
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Affiliation(s)
- Jing Wang
- State Key Laboratory of Hybrid Rice, Key Laboratory of Major Crop Diseases & Collaborative Innovation Center for Hybrid Rice in Yangtze River Basin, Sichuan Agricultural University at Wenjiang, ChengduChina
| | - Hui Shi
- State Key Laboratory of Hybrid Rice, Key Laboratory of Major Crop Diseases & Collaborative Innovation Center for Hybrid Rice in Yangtze River Basin, Sichuan Agricultural University at Wenjiang, ChengduChina
| | - Lian Zhou
- State Key Laboratory of Hybrid Rice, Key Laboratory of Major Crop Diseases & Collaborative Innovation Center for Hybrid Rice in Yangtze River Basin, Sichuan Agricultural University at Wenjiang, ChengduChina
| | - Chunfang Peng
- State Key Laboratory of Hybrid Rice, Key Laboratory of Major Crop Diseases & Collaborative Innovation Center for Hybrid Rice in Yangtze River Basin, Sichuan Agricultural University at Wenjiang, ChengduChina
| | - Dingyou Liu
- Rice Research Institute, Agricultural Academy of Sciences at Mianyang, MianyangChina
| | - Xiaogang Zhou
- State Key Laboratory of Hybrid Rice, Key Laboratory of Major Crop Diseases & Collaborative Innovation Center for Hybrid Rice in Yangtze River Basin, Sichuan Agricultural University at Wenjiang, ChengduChina
| | - Wenguan Wu
- State Key Laboratory of Hybrid Rice, Key Laboratory of Major Crop Diseases & Collaborative Innovation Center for Hybrid Rice in Yangtze River Basin, Sichuan Agricultural University at Wenjiang, ChengduChina
| | - Junjie Yin
- State Key Laboratory of Hybrid Rice, Key Laboratory of Major Crop Diseases & Collaborative Innovation Center for Hybrid Rice in Yangtze River Basin, Sichuan Agricultural University at Wenjiang, ChengduChina
| | - Hai Qin
- State Key Laboratory of Hybrid Rice, Key Laboratory of Major Crop Diseases & Collaborative Innovation Center for Hybrid Rice in Yangtze River Basin, Sichuan Agricultural University at Wenjiang, ChengduChina
| | - Weiwei Ma
- State Key Laboratory of Hybrid Rice, Key Laboratory of Major Crop Diseases & Collaborative Innovation Center for Hybrid Rice in Yangtze River Basin, Sichuan Agricultural University at Wenjiang, ChengduChina
| | - Min He
- State Key Laboratory of Hybrid Rice, Key Laboratory of Major Crop Diseases & Collaborative Innovation Center for Hybrid Rice in Yangtze River Basin, Sichuan Agricultural University at Wenjiang, ChengduChina
| | - Weitao Li
- State Key Laboratory of Hybrid Rice, Key Laboratory of Major Crop Diseases & Collaborative Innovation Center for Hybrid Rice in Yangtze River Basin, Sichuan Agricultural University at Wenjiang, ChengduChina
| | - Jichun Wang
- State Key Laboratory of Hybrid Rice, Key Laboratory of Major Crop Diseases & Collaborative Innovation Center for Hybrid Rice in Yangtze River Basin, Sichuan Agricultural University at Wenjiang, ChengduChina
| | - Shigui Li
- State Key Laboratory of Hybrid Rice, Key Laboratory of Major Crop Diseases & Collaborative Innovation Center for Hybrid Rice in Yangtze River Basin, Sichuan Agricultural University at Wenjiang, ChengduChina
| | - Xuewei Chen
- State Key Laboratory of Hybrid Rice, Key Laboratory of Major Crop Diseases & Collaborative Innovation Center for Hybrid Rice in Yangtze River Basin, Sichuan Agricultural University at Wenjiang, ChengduChina
- *Correspondence: Xuewei Chen,
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34
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Ma Y, Zhao Y, Shangguan X, Shi S, Zeng Y, Wu Y, Chen R, You A, Zhu L, Du B, He G. Overexpression of OsRRK1 Changes Leaf Morphology and Defense to Insect in Rice. FRONTIERS IN PLANT SCIENCE 2017; 8:1783. [PMID: 29114253 PMCID: PMC5660730 DOI: 10.3389/fpls.2017.01783] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Accepted: 10/02/2017] [Indexed: 05/20/2023]
Abstract
It has been reported that the receptor-like cytoplasmic kinases (RLCKs) regulate many biological processes in plants, but only a few members have been functionally characterized. Here, we isolated a rice gene encoding AtRRK1 homology protein kinase, OsRRK1, which belongs to the RLCK VI subfamily. OsRRK1 transcript accumulated in many tissues at low to moderate levels and at high levels in leaves. Overexpression of OsRRK1 (OE-OsRRK1) caused adaxial rolling and erect morphology of rice leaves. In the rolled leaves of OE-OsRRK1 plants, both the number and the size of the bulliform cells are decreased compared to the wild-type (WT) plants. Moreover, the height, tiller number, and seed setting rate were reduced in OE-OsRRK1 plants. In addition, the brown planthopper (BPH), a devastating pest of rice, preferred to settle on WT plants than on the OE-OsRRK1 plants in a two-host choice test, indicating that OE-OsRRK1 conferred an antixenosis resistance to BPH. The analysis of transcriptome sequencing demonstrated that several receptor kinases and transcription factors were differentially expressed in OE-OsRRK1 plants and WT plants. These results indicated that OsRRK1 may play multiple roles in the development and defense of rice, which may facilitate the breeding of novel rice varieties.
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Affiliation(s)
- Yinhua Ma
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Yan Zhao
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Xinxin Shangguan
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Shaojie Shi
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Ya Zeng
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Yan Wu
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Rongzhi Chen
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Aiqing You
- Hybrid Rice Research Center, Hubei Academy of Agricultural Sciences, Wuhan, China
| | - Lili Zhu
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Bo Du
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
- *Correspondence: Guangcun He, Bo Du,
| | - Guangcun He
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
- *Correspondence: Guangcun He, Bo Du,
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