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Recognition of a salivary effector by the TNL protein RCSP promotes effector-triggered immunity and systemic resistance in Nicotiana benthamiana

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Journal of Integrative plant Biology 2025年第1期67卷 150-168页

作者： Weiwei Rao Tingting Ma Jiayuan Cao Yajun Zhang Sisi Chen Shu Lin Xiaoxiao Liu Guangcun He Li Wan Key laboratory of plant Design CAS Center for Excellence in Molecular Plant SciencesInstitute of Plant Physiology and EcologyChinese Academy of SciencesShanghai 200032China National Key laboratory of Hybrid Rice College of Life SciencesWuhan UniversityWuhan 430072China University of Chinese Academy of Sciences Beijing 100049China

Insects secret chemosensory proteins(CSPs)into plant cells as potential effector proteins during *** molecular mechanisms underlying how CSPs activate plant immunity remain largely *** show that CSPs from six distinct insect orders induce dwarfism when overexpressed in Nicotiana ***-mediated transient expression of Nilaparvata lugens CSP11(NlCSP11)triggered cell death and plant dwarfism,both of which were dependent on ENHANCED DISEASE SUSCEPTIBILITY 1(EDS1),N requirement gene1(NRG1)and SENESCENCE-ASSOCIATED GENE 101(SAG101),indicating the activation of effector-triggered immunity(ETI)in *** of NlCSP11 led to stronger systemic resistance against Pseudomonas syringae DC3000 lacking effector HopQ1-1 and tobacco mosaic virus,and induced higher accumulation of salicylic acid(SA)in uninfiltrated leaves compared to another effector XopQ that is recognized by a Tollinterleukin-1 receptor(TIR)domain nucleotidebinding leucine-rich repeat receptor(TNL)called ROQ1 in ***,NlCSP11-induced dwarfism and systemic resistance,but not cell death,were abolished in *** transgenic line expressing the SA-degrading enzyme Nah *** large-scale virus-induced gene silencing screening,we identified a TNL protein that mediates the recognition of CSPs(RCSP),including aphid effector MP10 that triggers resistance against aphids in ***,bimolecular fluorescence complementation and Alpha Fold2 prediction unveiled an interaction between NlCSP11 and ***,RCSP does not contain the conserved catalytic glutamic acid in the TIR domain,which is required for TNL *** findings point to enhanced ETI and systemic resistance by a TNL protein via hyperactivation of the SA ***,RCSP is the first TNL identified to recognize an insect effector.

关键词： chemosensory protein effector effector-triggered immunity salicylic acid TIR-NBS-LRR

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Unlocking the power of tandem repeat variations to fine-tune rice phenotypes

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Science Bulletin 2025年第3期70卷 297-298页

作者： Kang Chong Key laboratory of plant Molecular physiology Institute of BotanyChinese Academy of SciencesBeijing 100093China University of Chinese Academy of Sciences Beijing 100049China

The diversity of crop phenotypes is shaped by numerous genomic *** staple cereals like rice,lots of functional variants,including quantitative trait locus(QTLs),have been identified and used to improve various crop traits(yield,quality,architecture,etc.).To breed ideal crop cultivars for agricultural production,we need more and more precise modulation of phenotypes to obtain desirable *** the past decade,genome editing techniques have enabled us to precisely change crop genome sequences,and also functional variants[1],[2],[3].

关键词： cultivar cereal precise

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The miR3367–lncRNA67–GhCYP724B module regulates male sterility by modulating brassinosteroid biosynthesis and interacting with Aorf27 in Gossypium hirsutum

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Journal of Integrative plant Biology 2025年第1期67卷 169-190页

作者： Anhui Guo Hushuai Nie Huijing Li Bin Li Cheng Cheng Kaiyun Jiang Shengwei Zhu Nan Zhao Jinping Hua laboratory of Cotton Genetics Genomics and Breeding/Joint Laboratory for International Cooperation in Crop Molecular BreedingMinistry of Education/Beijing Key Laboratory of Crop Genetic ImprovementCollege of Agronomy and BiotechnologyChina Agricultural UniversityBeijing 100193China Key laboratory of plant Molecular physiology Institute of BotanyChinese Academy of SciencesBeijing 100093China

Cytoplasmic male sterile(CMS)lines play a crucial role in utilization of heterosis in crop ***,the mechanism underlying the manipulation of male sterility in cotton by long non-coding RNA(lncRNA)and brassinosteroids(BRs)remains ***,using an integrative approach combining lncRNA transcriptomic profiles with virus-induced gene silencing experiments,we identify a flower budspecific lncRNA in the maintainer line 2074B,lncRNA67,negatively modulating with male sterility in upland cotton(Gossypium hirsutum).lncRNA67positively regulates cytochrome P274B(GhCYP724B),which acted as an eTM(endogenous target mimic)for *** suppression of GhCYP724B induced symptoms of BR deficiency and male semisterility in upland cotton as well as in tobacco,which resulted from a reduction in the endogenous BR ***724B regulates BRs synthesis by interacting with GhDIM and GhCYP90B,two BRs biosynthesis ***,GhCYP724B suppressed a unique chimeric open reading frame(Aorf27)in 2074A mitochondrial *** expression of Aorf27 in yeast inhibited cellular growth,and over expression of Aorf27 in tobacco showed male ***,the results proved that the miR3367–lncRNA67–GhCYP724B module positively regulates male sterility by modulating BRs *** findings uncovered the function of lncRNA67–GhCYP724B in male sterility,providing a new mechanism for understanding male sterility in upland cotton.

关键词： brassinosteroids GhCYP724B lncRNA67 male sterility mitochondrial Aorf27 upland cotton(G.hirsutum)

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Magnaporthe oryzae infection triggers rice resistance to brown planthopper through the influence of jasmonic acid on the flavonoid biosynthesis pathway

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Insect Science 2025年第1期32卷 243-259页

作者： Su Chen Zhihuan Tao Yanjie Shen Rui Yang Siyuan Yan Zixu Chen Bo Sun Xiaofang Yang Precision Medicine laboratory for Chronic Non-communicable Diseases of Shandong Province Institute of Precision MedicineJining Medical UniversityJiningShandong ProvinceChina Key laboratory of Insect Developmental and Evolutionary Biology CAS Center for Excellence in Molecular Plant SciencesInstitute of Plant Physiology and EcologyChinese Academy of SciencesShanghaiChina College of Medical Engineering&The Key laboratory for Medical Functional Nanomaterials Jining Medical UniversityJiningShandong ProvinceChina Institute of Bioengineering College of Chemical and Biological EngineeringZhejiang UniversityHangzhouChina

In agroecosystems,plants are constantly exposed to attack from diverse herbivorous insects and microbes,and infestation with one species may change the plant defense response to other *** our investigation of the relationships among rice plants,the brown planthopper Nilaparvata lugens(Stål)and the rice blast fungus Magnaporthe oryzae,we observed a significant increase in the resistance of rice treated with rice blast to ***,as evidenced by improved plant survival rates in a small population resistance *** transcriptome data analysis revealed that the rice blast fungus can induce the expression of genes in the jasmonic acid(JA)and flavonoid *** to the flavonoid pathway,the JA pathway also contains 2 types of genes that exhibit similar and opposite trends in response to *** and rice *** these genes,the osjaz1 mutant and the osmyc2 mutant were phenotypically confirmed to positively and negatively regulate rice resistance to *** and rice blast,*** mass spectrometry and quantification experiments showed that the exogenous application of methyl jasmonate(MeJA)can induce the accumulation of eriodictyol,naringenin and quercetin,as well as the expression of OsF3H,Os4CL5 and OsCHI in the flavonoid *** suggests a close connection between the JA pathway and the flavonoid ***,OsF3'H,which negatively regulates rice resistance to *** and rice blast,did not show increased *** and molecular experiments confirmed that OsMYC2 can bind to and inhibit the expression of OsF3'H,thus revealing the mechanism of rice resistance to *** after treatment with rice *** findings will deepen our understanding of the interactions among rice,*** and rice blast.

关键词： flavonoid jasmonic acid Nilaparvata lugens rice rice blast

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Antibiotic exposure alters the honeybee gut microbiota and may interfere with the honeybee behavioral caste transition

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Insect Science 2025年第1期32卷 260-276页

作者： Zijing Zhang Xiaohuan Mu Qina Cao Yifan Zhai Li Zheng Yan Liu Hao Zheng Xue Zhang Hebei Key laboratory of Animal physiology Biochemistry and Molecular BiologyHebei Collaborative Innovation Center for Eco-EnvironmentCollege of Life SciencesHebei Normal UniversityShijiazhuangChina College of Food Science and Nutritional Engineering China Agricultural UniversityBejingChina Institute of plant Protection Shandong Academy of Agricultural SciencesJinanChina Key laboratory of Natural Enemies Insects Ministry of Agriculture and Rural AffairsJinanChina Department of Entomology College of Plant ProtectionChina AgriculturalUniversityBeijingChina

Behavioral division is essential for the sustainability and reproduction of honeybee *** accumulating evidence has documented that antibiotic exposure interferes with bee behavioral divisions,how the gut microbiome,host physiology,and genetic regulation are implicated in this process remains ***,by constructing single-cohort colonies,we validated that the gut microbiota varied in composition between age-matched nurse and forager *** the gut microbiota with a low dose of antibiotic retained the gut bacterial size,but the structure of the microbial community continuously diverged from the control group after antibiotic *** foragers were observed in the antibiotic groups in the field experiment.A combinatorial effect of decreased gut metabolic gene repertoires,reduced brain neurotransmitter titers,and downregulated brain immune genes could potentially be related to behavioral tasks transition *** work indicates that the disturbance to both the gut microbiome and host physiologies after antibiotic exposure may have implications on social behavior development,highlighting the need for further research focusing on antibiotic pollution threatening the honeybee population's health.

关键词： antibiotic resistance Apis mellifera behavioral development immune genes

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TavWA1 is critical for wheat growth by modulating cell morphology and arrangement

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Journal of Integrative plant Biology 2025年第1期67卷 71-86页

作者： Guowei Chang Yue Li Lei Peng Chuncai Shen Yipeng Lu Wan Teng Yangyang Liu Yingchun Wang Weiqi Zhu Cuimin Liu Xue He Yiping Tong Xueqiang Zhao Key laboratory of Seed Innovation Institute of Genetics and Developmental BiologyThe Innovative Academy of Seed DesignChinese Academy of SciencesBeijing 100101China University of Chinese Academy of Sciences Beijing 100049China Key laboratory of plant Molecular physiology Institute of BotanyChinese Academy of SciencesBeijing 100093China State Key laboratory of Molecular Developmental Biology Institute of Genetics and Developmental BiologyChinese Academy of SciencesBeijing 100101China Zhaoxian Experiment Station Shijiazhuang Academy of Agricultural and Forestry SciencesZhaoxian 515300China

plant growth is determined by the production of cells and initiation of new *** genes that control cell number and cell size is of great significance for understanding plant growth *** this study,we characterized two wheat mutants,ah and dl,with abnormal *** ah mutant is a naturally occurring variant characterized by severe dwarfism,increased tiller number,and reduced grain length,while the dl mutant is derived from an ethyl methane sulfonate(EMS)-mutagenized population and exhibits smaller grain size and slightly reduced plant *** analyses revealed abnormal cell number,cell morphology and arrangement in the stems and leaves of the ah mutant,along with reduced cell length in the grains of the dl ***-based cloning identified that both mutants carry mutations in the same gene TavWA1-7D,which encodes a protein with a von Willebrand factor A(vWA)*** ah mutant harbors a 174-bp insertion in the 1,402-bp coding sequence(CDS)of TavWA1-7D,causing premature termination of protein translation,while the dl mutant contains a Glu420Lys *** the TavWA1-7D ahthrough clustered regularly interspaced short palindromic repeats(CRISPR)/CRISPR-associated nuclease 9-mediated genome editing leads to a severe dwarfism *** C-terminus of the protein is crucial for its correct subcellular localization and interaction,supporting its critical role for TavWA1-7D *** analysis showed that the dwarf phenotype of the ah mutant is associated with impaired photosynthesis,ribosome function,and nucleosome ***,TavWA1-7D interacts with an E3 ligase,Ta VIP1-3B,the expression levels of which are elevated in both *** and knockout studies of TaVIP1-3B demonstrated its negative regulatory role in cell length and grain ***,our findings suggest that TavWA1-7D plays a vital role in regulating wheat growth and yield-related traits,with the dl mutant's short grain phen

关键词： grain size severe dwarf TaVIP1 TavWA1 wheat

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A review on recent taxonomic updates of gut bacteria associated with social bees,with a curated genomic reference database

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Insect Science 2025年第1期32卷 2-23页

作者： Chengfeng Yang Jiawei Hu Qinzhi Su Zijing Zhang Yating Du Jieni Wang Huihui Sun Benfeng Han Junbo Tang Lizhen Guo Hu Li Wanzhi Cai Hao Zheng Xin Zhou Xue Zhang Department of Entomology College of Plant ProtectionChina Agricultural UniversityBeijingChina Sanya Institute of China Agricultural University Hainan ProvinceChina College of Food Science and Nutritional Engineering China Agricultural UniversityBeijingChina Beijing laboratory of Biomedical Materials Department of Geriatric DentistryPeking University School and Hospital of StomatologyBeijingChina Hebei Key laboratory of Animal physiology Biochemistry and Molecular BiologyCollege of Life SciencesHebei Normal UniversityShijiazhuangChina

Honeybees and bumblebees play a crucial role as essential *** special gut microbiome of social bees is a key factor in determining the overall fitness and health of the *** bees harbor relatively simple microbial communities at the genus level,recent studies have unveiled significant genetic divergence and variations in gene content within each bacterial ***,a comprehensive and refined genomics-based taxonomic database specific to social bee gut microbiomes remains ***,we first provided an overview of the current knowledge on the distribution and function of social bee gut bacteria,as well as the factors that influence the gut population *** then consolidated all available genomes of the gut bacteria of social bees and refined the species-level taxonomy,by constructing a maximum-likelihood core genome phylogeny and calculating genome-wide pairwise average nucleotide *** the basis of the refined species taxonomy,we constructed a curated genomic reference database,named the bee gut microbe genome sequence database(BGM-GDb).To evaluate the species-profiling performance of the curated BGM-GDb,we retrieved a series of bee gut metagenomic data and inferred the species-level composition using metagenomic intra-species diversity analysis system(MIDAS),and then compared the results with those obtained from a prebuilt MIDAS *** found that compared with the default database,the BGM-GDb excelled in aligned read counts and bacterial ***,this high-resolution and precise genomic reference database will facilitate research in understanding the gut community structure of social bees.

关键词： bacterial species BGM-GDb corbiculate bees gut microbiome phylogeny phylotype

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TaNPF6.2 improves agronomic traits via enhancing nitrogen uptake efficiency in wheat

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Journal of Genetics and Genomics 2025年第1期52卷 120-123页

作者： Huanhuan Wang Yangyang Liu Lifen Wu Chuan Xia Yaoyu Chen Xiuying Kong Feng Shi Huili Li Xifang Yang Liang Ma Jiaqiang Sun Lichao Zhang Zhencheng Xie State Key laboratory of Crop Gene Resources and Breeding Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China Key laboratory of plant Molecular physiology Institute of BotanyChinese Academy of SciencesBeijing 100093China laboratory of Shijiazhuang Academy of Agricultural and Forestry Sciences Shijiazhuang Academy of Agricultural and Forestry SciencesShijiazhuangHebei 050000China

Nitrogen(N)fertilizer application boosts yield and quality in crops such as wheat(Triticum aestivum L.)but raises environmental and economic concerns(Liu et al.,2019).Therefore,identifying the genes associated with N ... 详细信息

关键词： breeding crops agronomic

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he BCM1-EGY1 module balances chlorophyll biosynthesis and breakdown to confer chlorophyll homeostasis in land plants

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Molecular plant 2025年第1期18卷 76-94页

作者： Dali Fu Hanlin Zhou Bernhard Grimm Peng Wang School of Biological Sciences The University of Hong KongHong Kong SAR 999077China Institute of Biology/plant physiology Humboldt-Universität zu BerlinPhilippstrasse13Building 1210115 BerlinGermany State Key laboratory of Agrobiotechnology The Chinese University of Hong KongHong Kong SAR 999077China

Chlorophyll metabolism has evolved during plant *** strictly light-dependent nature of chlorophyll biosynthesis found in angiosperms requires tight coordination of chlorophyll biosynthesis and breakdown to achieve chlorophyll ***,the specific control mechanisms remain largely ***,we demonstrate that the scaffold protein BALANCE OF CHLOROPHYLL METABOLISM1(BCM1)has co-evolved with the carboxy-terminal domains of specific enzymes involved in chlorophyll biosynthesis and breakdown,including GENOMES UNCOUPLED 4(GUN4)and Mg-dechelatase 1(SGR1).We found that the land plant-specific interaction of BCM1 with the carboxy-terminal domains of GUN4 and SGR1 is indispensable for concurrent stimulation of chlorophyll biosynthesis and suppression of chlorophyll *** land plant-specific carboxy-terminal domain is essential for the membrane docking and turnover of GUN4,whereas it is key for proteolysis of *** importantly,we identified the metallopeptidase Gravitropism-deficient and Yellow-green 1(EGY1)as the proteolytic machinery responsible for BCM1-mediated proteolysis of *** summary,this study reveals the BCM1-EGY1 module has evolved to maintain chlorophyll homeostasis by the post-translational control of the balance between chlorophyll biosynthesis and *** mechanism thus represents an evolutionary response to the metabolic demands imposed on plants in terrestrial environments.

关键词： chlorophyll homeostasis scaffold protein BCM1 proteolytic machinery EGY1 post-translational control

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A scientific heritage in plant physiology from an older generation

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Science China(Life Sciences) 2012年第12期55卷 1125-1126页

作者： YUAN Ming State Key laboratory of plant physiology and Biochemistry Department of Plant Sciences College of Biological Sciences China Agricultural University Beijing 100193 China

Scientific knowledge passes from generation to generation. The scientific achievements of one generation not only deepen our understanding of nature, but also provide the basis for the research of subsequent generations. The roots of modern scientific studies are deep. Professor Lou Cheng-Hou （1911-2009） was a celebrated educator and plant physiologist in China. Professor Lou graduated from National Tsing-Hua University in 1932 and obtained his Ph.D. from the University of Minnesota in 1939. He conducted plant physiological research and educa- tion for more than 70 years and educated hundreds of stu- dents. His research achievements dealt mainly with the roles of materials transport and information transmission in inte- grating higher plant behavior in response to environmental changes.

关键词：植物生理学科学遗产明尼苏达大学教育家科学知识科学成果现代科学生理学家

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