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RIN enhances plant disease resistance via root exudate-mediated assembly of diseasesuppressive rhizosphere microbiota

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Molecular Plant 2023年第9期16卷 1379-1395页

作者： Keming Yang Ruixin Fu Haichao Feng Gaofei Jiang Omri Finkel Tianyu Sun Mingchun Liu Baowen Huang Shan Li Xiaofang Wang Tianjie Yang Yikui Wang Shimei Wang Yangchun Xu Qirong Shen Ville-Petri Friman Alexandre Jousset Zhong Wei Key Lab of Organic-based Fertilizers of China Jiangsu Provincial Key Lab of Solid Organic Waste UtilizationJiangsu Collaborative Innovation Center of Solid Organic WastesEducational Ministry Engineering Center of Resource-saving fertilizersNanjing Agricultural UniversityNanjingJiangsu 210095China College of Agro-grassland Science Nanjing Agricultural UniversityNanjingJiangsu 210095China School of Biology and Food Shangqiu Normal UniversityShangqiu 476000China College of Agriculture Henan UniversityZhengzhou 450046China Department of Plant and Environmental Sciences Institute of Life ScienceThe Hebrew University of JerusalemJerusalemIsrael Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education College of Life SciencesState Key Laboratory of Hydraulics and Mountain River EngineeringSichuan UniversityChengdu 610064China Key Laboratory of Plant Hormones and Development Regulation of Chongqing School of Life SciencesChongqing UniversityChongqingChina Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture Wuhan Botanical GardenChinese Academy of SciencesWuhan 430074China Institute of Vegetable Research Guangxi Academy of Agricultural SciencesNanningChina Department of Biology University of YorkYork YO105DDUK Department of Microbiology University of Helsinki00014 HelsinkiFinland

The RIPENING-INHIBITOR(RIN)transcriptional factor is a key regulator governing fruit *** RIN also affects other physiological processes,its potential roles in triggering interactions with the rhizosphere microbiome and plant health are *** we show that RIN affects microbiome-mediated disease resistance via root exudation,leading to recruitment of microbiota that suppress the soil-borne,phytopathogenic Ralstonia solanacearum *** with the wild-type(WT)plant,RIN mutants had different root exudate profiles,which were associated with distinct changes in microbiome composition and ***,the relative abundances of antibiosis-associated genes and pathogensuppressing Actinobacteria(Streptomyces)were clearly lower in the rhizosphere of rin *** composition,diversity,and suppressiveness of rin plant microbiomes could be restored by the application of 3-hydroxyflavone and riboflavin,which were exuded in much lower concentrations by the rin ***,RIN-mediated effects on root exudates,Actinobacteria,and disease suppression were evident from the seedling stage,indicating that RIN plays a dual role in the early assembly of diseasesuppressive microbiota and late fruit ***,our work suggests that,while plant disease resistance is a complex trait driven by interactions between the plant,rhizosphere microbiome,and the pathogen,it can be indirectly manipulated using"prebiotic"compounds that promote the recruitment of disease-suppressive microbiota.

关键词： rhizosphere microbiome plant-microbe interactions disease-suppressive microbiota rhizosphere immunity bacterial wilt tomato root exudates

Insights into plant salt stress signaling and tolerance

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Journal of Genetics and Genomics 2024年第1期51卷 16-34页

作者： Huapeng Zhou Haifan Shi Yongqing Yang Xixian Feng Xi Chen Fei Xiao Honghui Lin Yan Guo Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education College of Life SciencesSichuan UniversityChengduSichuan 610064China State Key Laboratory of Plant Environmental Resilience China Agricultural UniversityBeijing 100193China College of Grassland Science Nanjing Agricultural UniversityNanjingJiangsu 210095China Xinjiang Key Laboratory of Biological Resources and Genetic Engineering College of Life Science and TechnologyXinjiang UniversityUrumqiXinjiang 830046China

Soil salinization is an essential environmental stressor,threatening agricultural yield and ecological security *** soils accumulate excessive soluble salts which are detrimental to most plants by limiting plant growth and *** is of great necessity for plants to efficiently deal with the adverse effects caused by salt stress for survival and successful *** determinants of salt tolerance have been identified in plants,and the cellular and physiological mechanisms of plant salt response and adaption have been intensely *** respond to salt stress signals and rapidly initiate signaling pathways to re-establish cellular homeostasis with adjusted growth and cellular *** review summarizes the advances in salt stress perception,signaling,and response in plants.A better under-standing of plant salt resistance will contribute to improving crop performance under saline conditions using multiple engineering *** rhizosphere microbiome-mediated plant salt tolerance as well as chemical priming for enhanced plant salt resistance are also discussed in this review.

关键词： Salt stress Salt perception Salt response and signaling Plant salt tolerance Chemical priming rhizosphere microbiome

Underground communication:Long non-coding RNA signaling in the plant rhizosphere

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Plant Communications 2024年第7期5卷 28-51页

作者： Muhammad Fahad Leeza Tariq Sajid Muhammad Liang Wu Hainan Institute Zhejiang UniversitySanyaHainan 572000China Zhejiang Provincial Key Laboratory of Crop Genetic Resources College of Agriculture and BiotechnologyZhejiang UniversityHangzhouZhejiang 310058China National Key Laboratory for Rice Biology Institute of BiotechnologyZhejiang UniversityHangzhou 310058China

Long non-coding RNAs(lncRNAs)have emerged as integral gene-expression regulators underlying plant growth,development,and *** adapt to the heterogeneous and dynamic rhizosphere,plants use interconnected regulatory mechanisms to optimally fine-tune gene-expression-governing interactions with soil biota,as well as nutrient acquisition and heavy metal ***,high-throughput sequencing has enabled the identification of plant lncRNAs responsive to rhizosphere biotic and abiotic ***,we examine lncRNA biogenesis,classification,and mode of action,highlighting the functions of lncRNAs in mediating plant adaptation to diverse rhizosphere *** then discuss studies that reveal the significance and target genes of lncRNAs during developmental plasticity and stress responses at the rhizobium interface.A comprehensive understanding of specific lncRNAs,their regulatory targets,and the intricacies of their functional interaction networks will provide crucial insights into how these transcriptomic switches fine-tune responses to shifting rhizosphere *** ahead,we foresee that single-cell dissection of cell-type-specific lncRNA regulatory dynamics will enhance our understanding of the precise developmental modulation mechanisms that enable plant rhizosphere *** future challenges through multi-omics and genetic approaches will more fully reveal the integral roles of lncRNAs in governing plant adaptation to the belowground environment.

关键词： biotic and abiotic cues heavy metals long non-coding RNAs nutrients phytoremediation rhizosphere microbiome

Potential of plant growth-promoting rhizobacteria-plant interactions in mitigating salt stress for sustainable agriculture:A review

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Pedosphere 2022年第2期32卷 223-245页

作者： Kailash Chand KUMAWAT Sharon NAGPAL Poonam SHARMA Department of Microbiology Punjab Agricultural UniversityLudhianaPunjab 141004India Department of Plant Breeding and Genetics Punjab Agricultural UniversityLudhianaPunjab 141004India

Soil salinization affecting different crops is one of the serious threats to global food *** salinity affects 20%and 33%of the total cultivated and irrigated agricultural lands,respectively,and has been reported to caused a global crop production loss of 27.3 billion *** conventional approaches,such as using salt-tolerant varieties,saline soil scrapping,flushing,leaching,and adding supplements (e.g.,gypsum and lime),often fail to alleviate *** this context,developing diverse arrays of microbes enhancing crop productivity under saline soil conditions without harming soil health is *** advanced omics approaches have enabled gaining new insights into the structure and metabolic functions of plant-associated beneficial *** genera of salt-tolerating rhizobacteria ameliorating biotic and abiotic stresses have been isolated from different legumes,cereals,vegetables,and oil seeds under extreme alkaline and saline soil *** progress in rhizosphere microbiome research has revived the belief that plants may be more benefited from their association with interacting diverse microbial communities as compared with individual members in a *** the last decade,several salt-tolerating plant growth-promoting rhizobacteria (PGPR) that improve crop production under salt stress have been exploited for the reclamation of saline *** review highlights that the interaction of salt-tolerating microbes with plants improves crop productivity under salinity stress along with potential salt tolerance mechanisms involved and will open new avenues for capitalizing on cultivable diverse microbial communities to strengthen plant salt tolerance and,thus,to refine agricultural practices and production under saline conditions.

关键词： antagonistic activities antioxidant enzymes benefical microbes osmotolerance rhizosphere microbiome salt tolerance sustainable agriculture

The Phragmites Root-Inhabiting microbiome: A Critical Review on Its Composition and Environmental Application

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Engineering 2022年第2期8卷 42-50页

作者： Donglin Wang Yaohui Bai Jiuhui Qu Key Laboratory of Drinking Water Science and Technology Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085China College of Resource and Environment University of Chinese Academy of SciencesBeijing 100049China

As widespread wetland plants,Phragmites play a vital role in water purification and are widely utilized in constructed wetlands(accounting for 15.5%of applied wetland plants)as a natural alternative to wastewater ***,despite such common applications,current understanding of the basic composition of the Phragmites root-inhabiting microbiome and the complex functions of each member of this microbiome remains incomplete,especially regarding pollution *** review summa-rizes the advances that have been made in ecological and biochemical research on the Phragmites root microbiome,including bacteria,archaea,and *** on next-generation sequencing,microbial com-munity compositions have been profiled under various environmental ***,culture-based methods have helped to clarify the functions of the microbiome,such as metal iron stabilization,organic matter degradation,and nutrient element *** unique community structure and functions are highly impacted by Phragmites lineages and environmental factors such as *** on the current understanding of the Phragmites root microbiome,we propose that synthetic microbial com-munities and iron–manganese plaque could be applied and intensified in constructed wetlands to help promote their water purification performance.

关键词： Phragmites rhizosphere microbiome Microbial community composition Pollution remediation Constructed wetlands

Global-scale analysis reveals distinct patterns of non-ribosomal peptide and polyketide synthase encoding genes in root and soil bacterial communities

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Soil Ecology Letters 2023年第1期5卷 38-45页

作者： Barak Dror Edouard Jurkevitch Eddie Cytryn Institute of Soil Water and Environmental SciencesAgricultural Research OrganizationRishon-LezionIsrael Department of Plant Pathology and Microbiology The Robert H.Smith Faculty of AgricultureFood and EnvironmentThe Hebrew University of JerusalemRehovotIsrael

Secondary metabolites(SMs)produced by soil bacteria,for instance antimicrobials and siderophores,play a vital role in bacterial adaptation to soil and root ecosystems and can contribute to plant *** SMs are non-ribosomal peptides and polyketides,assembled by non-ribosomal peptides synthetase(NRPS)and polyketide synthase(PKS)and encoded by biosynthetic gene clusters(BGCs).Despite their ecological importance,little is known about the occurrence and diversity of NRPs and PKs in *** extracted NRPS-and PKS-encodiing BGCs from 20 publicly available soil and root-associated metagenomes and annotated them using *** found that the overall abundance of NRPSs and PKSs is similar in both environments,however NRPSs and PKSs were significantly clustered between soil and root ***,the majority of identified sequences were unique to either soil-or root-associated datasets and had low identity to known BGCs,suggesting their ***,this study illuminates the huge untapped diversity of predicted SMs in soil and root microbiomes,and indicates presence of specific SMs,which may play a role in inter-and intra-bacteriial interactions in root ecosystems.

关键词： Secondary metabolites Plant-microbe interactions Non-ribosomal peptides Polyketides rhizosphere microbiome Soil microbiome