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Leucine-Rich Repeat Protein Family Regulates Stress Tolerance and Development in Plants

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rice science 2025年第1期32卷 32-43页

作者： HAO Zhiqi WANG Tingyi CHEN Dongdong SHEN Lan ZHANG Guangheng QIAN Qian ZHU Li State key laboratory of rice biology and Breeding China National Rice Research InstituteHangzhou 310006China Yazhouwan national laboratory Sanya 572024China national Nanfan Research Institute(Sanya) Chinese Academy of Agricultural SciencesSanya 572024China

The leucine-rich repeat(LRR)protein family is involved in a variety of fundamental metabolic and signaling processes in plants,including growth and defense *** proteins can be divided into two categories:those containing LRR domains along with other structural elements,which are further subdivided into five groups,LRR receptor-like kinases,LRR receptor-like proteins,nucleotide-binding site LRR proteins,LRR-extensin proteins,and polygalacturonase-inhibiting proteins,and those containing only LRR ***,various LRR proteins are primarily involved in plant development and responses to environmental ***,the LRR protein family plays a central role in signal transduction pathways related to stress *** this review,we classify and analyze the functions of LRR proteins in *** extensive research has been conducted on the roles of LRR proteins in disease resistance signaling,these proteins also play important roles in abiotic stress *** review highlights recent advances in understanding how LRR proteins mediate responses to biotic and abiotic *** upon these insights,further exploration of the roles of LRR proteins in abiotic stress resistance may aid efforts to develop rice varieties with enhanced stress and disease tolerance.

关键词： leucine-rich repeat classification function stress tolerance plant development

Modulation of rice grain shape and appearance by the GS10-encoded long coiled-coil protein

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The Crop Journal 2025年第1期13卷 158-169页

作者： Yanmin Luo Yuyu Chen Pao Xue Beifang Wang Yiwei Kang Yue Zhang Daibo Chen Yongbo Hong Weixun Wu Qunen Liu Xiaodeng Zhan Yongjun Lin Shihua Cheng Yingxin Zhang Liyong Cao State key laboratory of rice biology and Breeding China National Rice Research InstituteHangzhou 311400ZhejiangChina national key laboratory of Crop Genetic Improvement and national Center of Plant Gene Research Huazhong Agricultural UniversityWuhan 430070HubeiChina Northern rice Research Center of Bao Qing Shuangyashan 155600HeilongjiangChina national Nanfan Research Institute(Sanya) Chinese Academy of Agricultural SciencesSanya 572025HainanChina Zhejiang key laboratory of Super rice Research China National Rice Research InstituteHangzhou 311400ZhejiangChina

rice grain size is a primary characteristic essential for artificial domestication and breeding,governed by grain length,width,and *** this study,we cloned Grain Size 10(GS10),a novel gene via mapbased ***,molecular,and genetic studies were performed to elucidate the GS10 involved grain size mechanism in *** of GS10 lead to reduced grain size due to alterations in cell ***,GS10 is responsible for the formation of notched-belly grains,especially in smaller grain varieties possessing loss-function *** of GS10 in Nipponbare results in increasing grain length,grain weight and improve the appearance quality of ***10 encodes conserved protein with uncharacterized ***,GS10 regulates the grain size by interacting OsBRICK1,a subunit of the WAVE complex that governs actin nucleation and affects the assembly of microfilaments in ***,our study demonstrates that,GS10 positively regulates the grain length and grain weight,which is beneficial for further improvements in yield characteristics.

关键词： GS10 Grain size Grain weight Appearance quality Microfilaments

Eukaryotic translation initiation factor OseIF5A4 negatively regulates rice immunity against blast and bacterial blight diseases

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The Crop Journal 2025年第1期13卷 79-91页

作者： Hui Wang Yuqing Yan Yan Bi Dayong Li Fengming Song national key laboratory for rice biology and Breeding Institute of BiotechnologyZhejiang UniversityHangzhou 310058ZhejiangChina Ministry of Agriculture key laboratory of Molecular biology of Crop Pathogens and Insect Pests Institute of BiotechnologyZhejiang UniversityHangzhou 310058ZhejiangChina key laboratory of biology of Crop Pathogens and Insects of Zhejiang Province Institute of BiotechnologyZhejiang UniversityHangzhou 310058ZhejiangChina

The RING-type E3 ligase OsBBI1 regulates rice resistance against Magnaporthe oryzae through modifying cell wall *** this study,we report the function of an OsBBI1 substrate,eukaryotic translation initiation factor OseIF5A4,in rice ***1 interacts with OseIF5A4 and other four members of the OseIF5A *** RING domain in OsBBI1 and the eIF-5a domain in OseIF5A4 are critical for the OsBBI1-OseIF5A4 ***1 ubiquitinates OseIF5A4 and mediates its degradation in vitro and in ***,the expression of OseIF5A4 was upregulated during early stage of compatible interaction but downregulated in incompatible interaction between rice and *** of OseIF5A4 enhances rice immunity against *** and Xanthomonas oryzae ***,boosts pattern-triggered immune responses,and strengthens pathogen-induced defense responses(e.g.,expression of defense genes,accumulation of reactive oxygen species and reinforcement of cell wall).However,overexpression of OseIF5A4 attenuates rice immunity and immune *** results demonstrate that OseIF5A4,a substrate of the immunity-associated E3 ligase OsBBI1,negatively regulates rice immunity against *** and *** *** through modulating pathogen-induced defense responses,highlighting the importance of the protein translational machinery in rice immunity.

关键词： Magnaporthe oryzae OsBBI1 OseIF5A rice immunity Xanthomonas oryzae pv.oryzae

Mixture of Bacillus Amyloliquefaciens and Bacillus Pumilus Modulates Community Structures of rice Rhizosphere Soil to Suppress rice Seedling Blight

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rice science 2025年第1期32卷 118-130,I0067-I0070页

作者： JIANG Nan QIU Jiehua TIAN Dagang SHI Huanbin LIU Zhiquan WEN Hui XIE Shuwei CHEN Huizhe WU Meng KOU Yanjun State key laboratory of rice biology and Breeding China National Rice Research InstituteHangzhou 311400China Biotechnology Research Institute Fujian Academy of Agricultural SciencesFuzhou 350003China State key laboratory of Soil and Sustainable Agriculture the Institute of Soil ScienceChinese Academy of SciencesNanjing 210008China

rice seedling blight,caused by various fungi,including Fusarium oxysporum,poses a severe threat to rice *** awareness grows regarding the environmental and safety hazards associated with the application of fungicides for managing rice seedling blight,there has been a shift in focus towards biological control *** this study,we isolated biocontrol bacteria from paddy fields that significantly inhibited the growth of *** in vitro and identified the strains as Bacillus amyloliquefaciens T40 and Bacillus pumilus ***,our findings indicated that the combined application of these Bacillus strains in soil was more effective in reducing the incidence of rice seedling blight than their individual *** of 16S and internal transcribed spacer rRNA gene sequencing data revealed that the mixture of the T40 and T208 strains exhibited the lowest average clustering coefficients,which were negatively correlated with the biomass of ***-inoculated rice ***,this mixture led to higher stochastic assembly(average|βNTI|rice rhizosphere bacteria compared with individual strain *** mixture of the T40 and T208 strains also significantly increased the expression of defense-related *** conclusion,the mixture of the T40 and T208 strains effectively modulates microbial community structures,enhances microbial network stability,and boosts the resistance against rice seedling *** study supports the development and utilization of biological resources for crop protection.

关键词： application strategy disease control disease resistance microbial community structure microbial community assembly process Oryza sativa

Disruption of Energy Metabolism and Reactive Oxygen Species Homeostasis in Honglian Type-Cytoplasmic Male Sterility(HL-CMS)rice Pollen

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rice science 2025年第1期32卷 81-93,I0056-I0058页

作者： WANG Mingyue ZHAO Weibo FENG Xiaoya CHEN Yi LI Junhao FU Jinmei YAN Yingchun CHU Zhaohui HUANG Wenchao State key laboratory of Hybrid rice Key Laboratory for Research and Utilization of Heterosis in Indica Ricethe Ministry of Agriculture and Rural Affairs/Department of GeneticsCollege of Life SciencesWuhan UniversityWuhan 430072China

Honglian type-cytoplasmic male sterility(HL-CMS)is caused by the inter-communication between the nucleus and ***,the mechanisms by which sterility genes regulate metabolic alterations and changes in mitochondrial morphology in the pollen of HL-CMS remain *** this study,we compared the morphological differences between the pollen of the male sterile line YA and the near-isogenic line NIL-Rf6 using hematoxylin-eosin staining and 4ʹ,6-diamidino-2-phenylindole(DAPI)***-CMS is characterized by gametophytic sterility,where the aborted pollen grains are empty,and the tapetal layer remains *** electron microscopy was employed to observe mitochondrial morphological changes at the microspore stage,revealing significant mitochondrial alterations,characterized by the formation of'large spherical mitochondria',occurred at the binucleate stage in the YA ***,metabolomics analysis revealed decreased levels of metabolites associated with the carbohydrate and flavonoid ***,the decrease in flavonoids was found to contribute to an elevation in reactive oxygen species(ROS)***,we propose a model in which rice fertility is modulated by the levels of pollen carbohydrates and flavonoid metabolites,with impaired mitochondrial energy production and reduced flavonoid biosynthesis as the main causes of ROS accumulation and pollen abortion in rice.

关键词： cytoplasmic male sterility pollen reactive oxygen species rice mitochondrial metabolite

A major facilitator superfamily transporter PlMFS1 contributes to growth,oosporogenesis,and pathogenesis of Peronophythora litchii

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Horticultural Plant Journal 2025年第1期11卷 189-198页

作者： Pinggen Xi Tianfang Guan Xiyuan Liu Xiaofeng Li Ziyuan Dou Liyun Shi Jiamin Huang Liqun Jiang Junjian Situ Minhui Li Guanghui Kong Zide Jiang Guangdong Province key laboratory of Microbial Signals and Disease Control/Department of Plant Pathology South China Agricultural UniversityGuangzhouGuangdong 510642China rice Research Institute Guangdong Academy of Agricultural Sciences/Guangdong Key Laboratory of New Technology in Rice BreedingGuangzhouGuangdong 510640China

Major facilitator superfamily(MFS)transporters are secondary active membrane transporters that play an important role in solute interchange and energy *** litchii causes the most destructive disease on lichi,litchi downy ***90 was reported as a key oosporogenesis ***,we identified an MFS transporter gene PlMFS1,which is up-regulated during oospore formation at the late infection stage,while down-regulated in the PlM90 *** investigate PlMFS1 function,we generated PlMFS1knockout mutants using CRISPR/Cas9-mediated genome editing *** with the wild-type strain SHS3,PlMFS1 deletion impaired mycelium growth,zoospore release,oospore production and ***,PlMFS1 deletion significantly affected *** utilization of fructose,lactose and maltose,and may be the PlMFS1 mechanism involved in mycelial ***1 gene deletion also led to deceased laccase activity,laccase-encoding gene downregulation and impaired *** *** our knowledge,this is the first report of an MFS transporter involved in sugar utilization,sexual reproduction,asexual reproduction and pathogenesis in oomycetes.

关键词： Peronophythora litchii Major facilitator superfamily Oospore Pathogenicity

Phosphorylation modification reverses the transcriptional inhibitory activity of CsMYB4a in tea plants(Camellia sinensis)

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Horticultural Plant Journal 2025年第1期11卷 406-416页

作者： Guoliang Ma Yunyun Han Tongtong Li Tao Xia Liping Gao School of Life Science Anhui Agricultural UniversityHefeiAnhui 230036China State key laboratory of Tea Plant biology and Utilization Key Laboratory of Tea Biology and Tea Processing of Ministry of AgricultureAnhui Provincial Laboratory of Tea Plant Biology and UtilizationAnhui Agricultural UniversityHefeiAnhui 230036China

The members of the fourth subgroup of R2R3-MYB(Sg4 members)are well-known inhibitors of phenylpropanoid and lignin synthesis *** C2 domain is closely related to the transcriptional inhibitory activity of Sg4 *** modification enhances the transcriptional inhibitory activity of Sg4 ***,we identified a phosphorylation site on the C2 domain of Cs MYB4a from tea plants(Camellia sinensis).A mitogen-activated protein kinase(MAPK),named Cs MPK3-2,phosphorylated this site on the C2 domain of Cs *** experiments revealed that phosphorylation of Cs MYB4a weakened its ability to inhibit the gene expression of PAL,C4H,and 4CL in the phenylpropanoid pathway and activated the expression of transcription factor YABBY5,maintaining the adaxial-abaxial polarity of the *** out Nt YAB5 in Cs MYB4a transgenic tobacco partially repaired the leaf wrinkling phenotype caused by Cs *** C1 domain exhibited an activation function when the C2 domain of Cs MYB4a was phosphorylated by Cs MPK3-2,causing this reversal *** results enrich our understanding of the regulatory diversity of Sg4 members.

关键词： Camellia sinensis Cs MYB4a Phenylpropanoid pathway MAPK YABBY Leaf development

Interference mechanism of trailing edge flap shedding vortices with rotor wake and aerodynamic characteristics

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Chinese Journal of Aeronautics 2025年第1期38卷 325-339页

作者： Yang LIU Yongjie SHI Aqib AZIZ Guohua XU Haifeng GAO national key laboratory of Helicopter Aeromechanics Nanjing University of Aeronautics and AstronauticsNanjing 210016China

A robust Reynolds-Averaged Navier-Stokes(RANS)based solver is established to predict the complex unsteady aerodynamic characteristics of the Active Flap Control(AFC)*** complex motion with multiple degrees of freedom of the Trailing Edge Flap(TEF)is analyzed by employing an inverse nested overset grid *** of non-rotational and rotational modes of blade motion are carried out to investigate the formation and development of TEF shedding vortex with high-frequency deflection of ***,the mechanism of TEF deflection interference with blade tip vortex and overall rotor aerodynamics is also *** nonrotational mode,two bundles of vortices form at the gap ends of TEF and the main blade and merge into a single TEF *** deflection of the TEF significantly interferes with the blade tip *** position of the blade tip vortex consistently changes,and its frequency is directly related to the frequency of TEF *** rotational mode,the tip vortex forms a helical *** end vortices at the gap sides co-swirl and subsequently merge into the concentrated beam of tip vortices,causing fluctuations in the vorticity and axial position of the tip vortex under the *** research concludes with the investigation on suppression of Blade Vortex Interaction(BVI),showing an increase in miss distance and reduction in the vorticity of tip vortex through TEF phase control at a particular control *** this mechanism,a designed TEF deflection law increases the miss distance by 34.7%and reduces vorticity by 11.9%at the target position,demonstrating the effectiveness of AFC in mitigating BVI.

关键词： CFD Rotor Aerodynamic Trailing edge flap Vortex shedding BVI

Value Iteration-Based Distributed Adaptive Dynamic Programming for Multi-Player Differential Game With Incomplete Information

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IEEE/CAA Journal of Automatica Sinica 2025年第2期12卷 436-447页

作者： Yun Zhang Yuqi Wang Yunze Cai the Department of Automation Shanghai Jiao Tong University the key laboratory of System Control and Information Processing Ministry of Education of China the national key laboratory of Air-based Information Perception and Fusion

In this paper, a distributed adaptive dynamic programming(ADP) framework based on value iteration is proposed for multi-player differential games. In the game setting,players have no access to the information of others' system parameters or control laws. Each player adopts an on-policy value iteration algorithm as the basic learning framework. To deal with the incomplete information structure, players collect a period of system trajectory data to compensate for the lack of information. The policy updating step is implemented by a nonlinear optimization problem aiming to search for the proximal admissible policy. Theoretical analysis shows that by adopting proximal policy searching rules, the approximated policies can converge to a neighborhood of equilibrium policies. The efficacy of our method is illustrated by three examples, which also demonstrate that the proposed method can accelerate the learning process compared with the centralized learning framework.

关键词： Distributed adaptive dynamic programming incomplete information multi-player differential game (MPDG) value iteration