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receptor-like kinase OsCR4 controls leaf morphogenesis and embryogenesis by fixing the distribution of auxin in rice

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Journal of Genetics and Genomics 2020年第9期47卷 577-589页

作者： Jiao Wang Lin-Lin Yan Zhi-Liang Yue Hao-Yue Li Xiu-Jie Ji Cui-Xia Pu Ying Sun College of Life Science Hebei Normal UniversityHebei Key Laboratory of Molecular and Cellular BiologyKey Laboratory of Molecular and Cellular Biology of Ministry of EducationHebei Collaboration Innovation Center for Cell SignalingShijiazhuang050024China Institute of Cash Crops Hebei Academy of Agriculture&Forestry SciencesShijiazhuang050051China

Cell differentiation is a key event in organ development;it involves auxin gradient formation, cell signaling, and transcriptional regulation. Yet, how these processes are orchestrated during leaf morphogenesis is poorly understood. Here, we demonstrate an essential role for the receptor-like kinase Os CR4 in leaf development. oscr4 loss-of-function mutants displayed short shoots and roots, with tiny,crinkly, or even dead leaves. The delayed outgrowth of the first three leaves and seminal root in oscr4 was due to defects in plumule and radicle formation during embryogenesis. The deformed epidermal,mesophyll, and vascular tissues observed in oscr4 leaves arose at the postembryo stage;the corresponding expression pattern of pro Os CR4:GUS in embryos and young leaves suggests that Os CR4 functions in these tissues. Signals from the auxin reporter DR5 rev:VENUS were found to be altered in oscr4 embryos and disorganized in oscr4 leaves, in which indole-3-acetic acid accumulation was further revealed by immunofluorescence. Os WOX3 A, which is auxin responsive and related to leaf development,was activated extensively and ectopically in oscr4 leaves, partially accounting for the observed lack of cell differentiation. Our data suggest that Os CR4 plays a fundamental role in leaf morphogenesis and embryogenesis by fixing the distribution of auxin.

关键词： receptor-like kinase OsCR4 OsWOX3A Auxin distribution Leaf Embryo Rice

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A G-type lectin receptor-like kinase regulates the perception of oomycete apoplastic expansin-like proteins

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Journal of Integrative Plant Biology 2022年第1期64卷 183-201页

作者： Lei Pi Zhiyuan Yin Weiwei Duan Nan Wang Yifan Zhang Jinghao Wang Daolong Dou College of Plant Protection China Agricultural UniversityBeijing 100193China College of Plant Protection Nanjing Agricultural UniversityNanjing 210095China

Phytophthora capsici is one of the most harmful pathogens in agriculture, which threatens the safe production of multiple crops and causes serious economic losses worldwide. Here, we identified a P. capsici expansin-like protein, Pc EXLX1, by liquid chromatography-tandem mass spectrometry from Nicotiana benthamiana apoplastic fluid infected with P. capsici. Clustered regularly interspaced short palindromic repeats/crispr associated protein9(CRISPR/Cas9)-mediated Pc EXLX1 knockout mutants exhibited significantly enhanced virulence,while the overexpression of Pc EXLX1 impaired the virulence. Prokaryotically expressed Pc EXLX1 activated multiple plant immune responses, which were BRI1-associated kinase 1(BAK1)-and suppressor of BIR1-1(SOBIR1)-dependent. Furthermore, overexpression of Pc EXLX1 homologs in N. benthamiana could also increase plant resistance to P. capsici. A G-type lectin receptor-like kinase from N. benthamiana, expansin-regulating kinase 1(ERK1), was shown to regulate the perception of Pc EXLX1 and positively mediate the plant resistance to P. capsici. These results reveal that the expansin-like protein, Pc EXLX1, is a novel apoplastic effector with plant immunity-inducing activity of oomycetes, perception of which is regulated by the receptor-like kinase, ERK1.

关键词： apoplastic effector elicitor Nicotiana benthamiana oomycete receptor-like kinase

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Global Analysis of Expression Profiles of Rice receptor-like kinase Genes

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Molecular Plant 2012年第1期5卷 143-153页

作者： Lin-Lin Gao Hong-Wei Xue National Key Laboratory of Plant Molecular Genetics Institute of Plant Physiology and EcologyShanghai Institutes for Biological Science(SIBS)ChineseAcademy of Sciences300 Fenglin Road20032 ShanghaiChina

The receptor-like kinases （RLKs） play critical roles in plant development and response to stress stimuli. By perceiving or sensing the extracellular signals, RLK activates the downstream signaling pathway through phosphorylating the specific targets. Up to now, only a few RLKs have been functionally identified, which are even fewer in rice （Oryza sativa L.）. We here report the systemic analysis of the expression profiles of rice RLK coding genes in different tissues, with the emphasis on seed development and in response to both abiotic stress and plant hormones. The results showed that most rice RLK genes are expressed in two or more tissues, of which the RLCK-RLKs have a higher, while WAK- and SD-RLKs have a lower, expression level in the vegetative tissues than other subfamily members. Interestingly, the constitutively highly expressed RLKs in rice and Arabidopsis are conserved, which is consistent with the previous hypothesis that RLKs existed before the differentiation of monocotyledon and dicotyledon plants. Nearly one-third of the detected rice RLKs are expressed during seed development, and the RLCK-RLK members possess a higher percentage during the endosperm de- velopment, suggesting a novel function of RLCK-RLK members in endosperm development. Further analysis revealed that many RLK genes expressed during seed development are also regulated by abiotic stresses （cold, salt, or drought） or hor- mones, indicating that RLKs may take part in the stress-related signaling pathways such as dehydration of endosperm. These results provide informative insights into the RLK studies and will be helpful to reveal the global regulatory network controlling rice seed development.

关键词： receptor-like kinase rice profiling seed development stress ABA.

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SCOOP10 and SCOOP12 peptides act through MIK2 receptor-like kinase to antagonistically regulate Arabidopsis leaf senescence

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Molecular Plant 2024年第12期17卷 1805-1819页

作者： Zhenbiao Zhang Nora Gigli-Bisceglia Wei Li Saijie Li Jie Wang Junfeng Liu Christa Testerink Yongfeng Guo Tobacco Research Institute Chinese Academy of Agricultural SciencesQingdaoChina Graduate School of Chinese Academy of Agricultural Sciences BeijingChina Laboratory of Plant Physiology Wageningen University&ResearchWageningenthe Netherlands Plant Stress Resilience Institute of Environmental BiologyUtrecht UniversityUtrechtthe Netherlands State Key Laboratory of Maize Bio-breeding Ministry of Agriculture Key Laboratory for Crop Pest Monitoring and Green ControlJoint International Research Laboratory of Crop Molecular BreedingChina Agricultural UniversityBeijingChina

Leaf senescence plays a critical role in a plant’s overall reproductive success due to its involvement in nutrient remobilization and ***,our current understanding of the molecular mechanisms controlling leaf senescence remains *** this study,we show that the receptor-like kinase MALE DISCOVERER 1-INTERACTING receptor-like kinase 2(MIK2)functions as a negative regulator of leaf *** found that the SERINE-RICH ENDOGENOUS PEPTIDE 12,previously known to physically interact with MIK2,competes with SCOOP10 to regulate MIK2-dependent leaf *** observed that increased expression of SCOOP10 or the application of exogenous SCOOP10 peptides accelerated leaf senescence in a MIK2-dependent ***,SCOOP12 acted as a suppressor of MIK2-dependent leaf senescence *** assays showed that SCOOP12 enhances while SCOOP10 diminishes MIK2 ***,the SCOOP12-MIK2 module might function antagonistically on SCOOP10-MIK2 signaling at late senescing stages,allowing for fine-tuned modulation of the leaf senescence *** study sheds light on the complex mechanisms underlying leaf senescence and provides valuable insights into the interplay between receptors,peptides,and the regulation of plant senescence.

关键词： leaf senescence MIK2 SCOOP10 SCOOP12 small signaling peptides receptor-like kinase

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Splicing of receptor-like kinase-Encoding SNC4 and CERK1 is Regulated by Two Conserved Splicing Factors that Are Required for Plant Immunity

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Molecular Plant 2014年第12期7卷 1766-1775页

作者： Zhibin Zhang Yanan Liu Pingtao Ding Yan Li Qing Kong Yuelin Zhang Department of Botany University of British Columbia Vancouver Canada V6T 1Z4 National Institute of Biological Sciences Zhongguancun Life Science Park Beijing People's Republic of China 102206

Plant immune receptors belonging to the receptor-like kinase （RLK） family play important roles in the recog- nition of microbial pathogens and activation of downstream defense responses. The Arabidopsis mutant snc4-1D con- tains a gain-of-function mutation in the RLK SNC4 （SUPPRESSOR OF NPRI-1, CONSTITUTIVE4）, which leads to constitutive activation of defense responses. Analysis of suppressor mutants of snc4-1D identified two conserved splicing factors, SUA （SUPPRESSOR OF ABI3-5） and RSN2 （REQUIRED FOR SNC4-1D 2）, that are required for the constitutive defense responses in snc4-1D. In sua and rsn2 mutants, SNC4 splicing is altered and the amount of 5NC4 transcripts is reduced. Further analysis showed that SUA and RSN2 are also required for the proper splicing of CERK1 （CHITIN ELICITOR receptor kinase1）, which encodes another RLK that functions as a receptor for chitin. In sua and rsn2 mutants, induction of reactive oxygen species by chitin is reduced and the non-pathogenic bacteria Pseudomonas syringae pv. tomato DC3OOOhrcC grows to higher titers than in wild-type plants. Our study suggests that pre-mRNA splicing plays important roles in the regulation of plant immunity mediated by the RLKs SNC4 and CERK1.

关键词： plant immunity receptor-like kinase alternative splicing SUA RSN2 SNC4 CERK1.

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Screening of Extracellular Binding Proteins of Rice receptor-like kinase CR4 by the Yeast Two-hybrid

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Agricultural Science & Technology 2010年第11期11卷 77-81页

作者：姚清国李晓芹张文娜周二鹏王娟王景翔石家庄学院化工学院河北石家庄050035

[Objective] The research aimed to find the extracellular binding proteins of CR4.[Method] The extracellular domain of OsCR4 was as the bait protein,and the yeast two-hybrid was used to screen cDNA library of seedling which was cultivated 14 d.[Result] A lot of proteins which included a peroxide B（D26484）,a methionine thioredoxin reductase（ABF96078）and an unknown function protein were gained.[Conclusion] It provided the theory basis for studying the signal transduction mechanism of CR4.

关键词： Rice receptor-like kinase Extracellular binding protein Yeast two-hybrid

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receptor-like kinases in Root Development:Current Progress and Future Directions

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Molecular Plant 2021年第1期14卷 166-185页

作者： Yang Ou Hong Kui Jia Li Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations School of Life SciencesLanzhou UniversityLanzhou 730000China

Cell-to-cell and cell-to-environment communications are critical to the growth and development of *** surface-localized receptor-like kinases(RLKs)are mainly involved in sensing various extracellular signals to initiate their corresponding cellular *** important vegetative organs for higher plants to adapt to a terrestrial living situation,roots play a critical role for the survival of *** has been demonstrated that RLKs control many biological processes during root growth and *** this review,we summarize several key regulatory processes during Arabidopsis root developm ent in which RLKs play critical *** also put forward a number of relevant questions that are required to be explored in future studies.

关键词： receptor-like kinase root development Arabidopsis

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SERK Family receptor-like kinases Function as Co-receptors with PXY for Plant Vascular Development

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Molecular Plant 2016年第10期9卷 1406-1414页

作者： Heqiao Zhang Xiaoya Lin Zhifu Han Jizong Wang Li-Jia Qu Jijie Chai Ministry of Education Key Laboratory of Protein Science Center for Structural Biology School of Life Sciences Tsinghua-Peking Joint Center for Life SciencesTsinghua University Beijing 100084 China State Key Laboratory of Protein and Plant Gene Research School of Life Sciences Peking-Tsinghua Joint Center for Life Sciences Peking UniversityBeijing 100871 China

In Arabidopsis, the CLAVATA3/EMBRYO SURROUNDING REGION-RELATED （CLE） peptides play important roles in regulating proliferation and differentiation of plant-specific stem cells. Although receptors of CLEs are reported to be leucine-rich repeat receptor kinases, the mechanisms underlying CLE-induced receptor activation remain largely unknown. Here we show that SOMATIC EMBRYOGENESIS receptor kinases （SERKs） serve as co-receptors in CLE41/TDIF-PXY signaling to regulate plant vascular development. TDIF induces interaction of its receptor PXY with SERKs in vitro and in vivo. Furthermore, the serk1-1 serk2-1 bakl-5 mutant plants are less sensitive to TDIF, phenocopying the pxy mutant with a compromised promotion of procambial cell proliferation. Crystal structure of the PXY-TDIF-SERK2 complex reveals that the last amino acid of TDIF conserved among CLEs and other evolutionary-related peptides is important for the interaction between SERK2 and PXY. Taken together, our current study identifies SERKs as signaling components of the TDIF-PXY pathway and suggests a conserved activation mechanism of CLE receptors.

关键词： receptor-like kinase SERK PXY-TDIF vascular development co-receptor

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Rapid responses:receptor-like kinases directly regulate the functions of membrane transport proteins in plants

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Journal of Integrative Plant Biology 2022年第7期64卷 1303-1309页

作者： Xiaopeng Li Jingjie Zhang Hongyong Shi Bo Li Jia Li Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations School of Life SciencesLanzhou UniversityLanzhou730000China Guangdong Provincial Key Laboratory of Plant Adaptation and Molecular Design School of Life SciencesGuangzhou UniversityGuangzhou 510006China

receptor-like kinases(RLKs)are a large group of plant-specific transmembrane proteins mainly acting as receptors or co-receptors of various extracellular *** usually turn extracellular signals into intracellular responses via altering gene expression ***,recent studies confirmed that many RLKs can physically interact with diverse membrane-localized transport proteins and regulate their activities for speedy responses in limited tissues or *** this minireview,we highlight recent discoveries regarding how RLKs can work with membrane transport proteins collaboratively and thereby trigger cellular responses in a precise and rapid *** is anticipated that such regulation broadly presents in plants and more examples will be gradually revealed when in-depth analyses are conducted for the functions of RLKs.

关键词： channel pump receptor-like kinase signal trans-duction transporter

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Synergy in Rice Immunity:Exploring Strategies of Coordinated Disease Defense Through receptor-like kinases and receptor-like Cytoplasmic kinases

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Rice science 2024年第6期31卷 643-658页

作者： PEI Mengtian CAO Yingying XIE Xuze CAO Ying CHEN Jia ZHANG Xi WANG Zonghua LU Guodong ZHANG Shenghang State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops Fujian Agriculture and Forestry UniversityFuzhou 350002China Fujian Key Laboratory of Aptamers Technology Fuzhou General Teaching Hospital(the 900th Hospital)Fujian Medical UniversityFuzhou 350002China Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering National Observations and Research Station for Wetland Ecosystems of the Yangtze EstuaryInstitute of Biodiversity Science and Institute of Eco-ChongmingSchool of Life SciencesFudan UniversityShanghai 200433China

receptor-like kinases(RLKs)and receptor-like cytoplasmic kinases(RLCKs)play an indispensable role in the perception and transmission of extracellular signals in *** rice,these kinases actively participate in immune responses against a variety of pathogens,including fungi,bacteria,and ***,research on the specific response mechanisms and the spectrum of different kinase activities against various pathogens remains *** review provides an in-depth and comprehensive overview of the types and functions of RLKs and RLCKs involved in disease resistance,emphasizing the central role of certain RLKs and RLCKs in the plant immune *** kinases can recognize specific molecular patterns of pathogens and rapidly initiate an immune response in ***,the activity and functional regulation of these key kinases are tightly controlled by various post-translational modifications,such as phosphorylation and *** meticulous regulation ensures that the rice immune system's response is both precise and timely,effectively balancing the intensity of the immune response and preventing potential issues caused by either hyperactivity or *** synthesizing current research findings,this review not only broadens our understanding of the role of RLKs and RLCKs in plant immunity but also provides new perspectives and strategies for future research on disease resistance breeding in *** studies are expected to delve deeper into the signaling networks and regulatory mechanisms of these kinases,exploring their potential in agricultural production to develop rice varieties with enhanced disease resistance.

关键词： receptor-like kinase receptor-like cytoplasmic kinase pathogen-associated molecular pattern genetic breeding

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