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Phyllosphere microbiota:Community dynamics and its interaction with plant hosts

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Journal of Integrative Plant Biology 2021年第2期63卷 297-304页

作者： Tianyu Gong xiu-fang xin National Key Laboratory of Plant Molecular Genetics CAS Center for Excellence in Molecular Plant SciencesInstitute of Plant Physiology and EcologyChinese Academy of SciencesShanghai 200032China University of the Chinese Academy of Sciences Beijing 100049China The Chinese Academy of Sciences(CAS)and CAS John Innes Centre of Excellence for Plant and Microbial Sciences Shanghai 200032China

Plants are colonized by various microorganisms in natural *** many studies have demonstrated key roles of the rhizosphere microbiota in regulating biological processes such as nutrient acquisition and resistance against abiotic and biotic challenges,less is known about the role of the phyllosphere microbiota and how it is established and *** review provides an update on current understanding of phyllosphere community assembly and the mechanisms by which plants and microbes establish the phyllosphere microbiota for plant health.

关键词： community assembly dysbiosis phyllosphere microbiota plant immunity plant–microbe interaction

Regulation and integration of plant jasmonate signaling:a comparative view of monocot and dicot

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Journal of Genetics and Genomics 2022年第8期49卷 704-714页

作者： Shiwei Wan xiu-fang xin National Key Laboratory of Plant Molecular Genetics CAS Center for Excellence in Molecular Plant SciencesInstitute of Plant Physiology and EcologyChinese Academy of SciencesShanghai 200032China University of Chinese Academy of Sciences Beijing 100049China CAS-JIC Center of Excellence for Plant and Microbial Sciences(CEPAMS) Institute of Plant Physiology and EcologyChinese Academy of SciencesShanghai 200032China

The phytohormone jasmonate plays a pivotal role in various aspects of plant life,including developmental programs and defense against pests and pathogens.A large body of knowledge on jasmonate biosynthesis,signal transduction as well as its functions in diverse plant processes has been gained in the past two *** addition,there exists extensive crosstalk between jasmonate pathway and other phytohormone pathways,such as salicylic acid(SA)and gibberellin(GA),in co-regulation of plant immune status,fine-tuning the balance of plant growth and defense,and so on,which were mostly learned from studies in the dicotyledonous model plants Arabidopsis thaliana and tomato but much less in ***,existing evidence suggests both conservation and functional divergence in terms of core components of jasmonate pathway,its biological functions and signal integration with other phytohormones,between monocot and *** this review,we summarize the current understanding on JA signal initiation,perception and regulation,and highlight the distinctive characteristics in different lineages of plants.

关键词： Jasmonate Phytohormone Signaling Crosstalk Plant defense Development Stress response

Promotion of Arabidopsis immune responses by a rhizosphere fungus via supply of pipecolic acid to plants and selective augment of phytoalexins

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Science China(Life Sciences) 2023年第5期66卷 1119-1133页

作者： Feifei Luo Guirong Tang Song Hong Tianyu Gong xiu-fang xin Chengshu Wang Key Laboratory of Insect Developmental and Evolutionary Biology CAS Center for Excellence in Molecular Plant SciencesShanghai Institute of Plant Physiology and EcologyChinese Academy of SciencesShanghai 200032China CAS Center for Excellence in Biotic Interactions University of Chinese Academy of SciencesBeijing 100049China National key Laboratory of Plant Molecular Genetics CAS Center for Excellence in Molecular Plant SciencesShanghai Institute of Plant Physiology and EcologyChinese Academy of SciencesShanghai 200032China School of Life Science and Technology ShanghaiTech UniversityShanghai 201210China

The ascomycete insect pathogenic fungi such as Metarhizium species have been demonstrated with the abilities to form the rhizosphere or endophytic relationships with different plants for nutrient *** this study,after the evident infeasibility of bacterial disease development in the boxed sterile soils,we established a hydroponic system for the gnotobiotic growth of Arabidopsis thaliana with the wild-type and transgenic strain of Metarhizium *** transgenic fungus could produce a high amount of pipecolic acid(PIP),a pivotal plant-immune-stimulating *** inoculation experiments showed that *** could form a non-selective rhizosphere relationship with *** to the PIP uptake by plants after exogenous application,PIP level increased in Col-0 and could be detected in the PIP-non-producing Arabidopsis mutant(ald1)after fungal inoculations,indicating that plants can absorb the PIP produced by *** transgenic fungal strain had a better efficacy than the wild type to defend plants against the bacterial pathogen and aphid *** to ald1,fmo1 plants could not be boosted to resist bacterial infection after *** fungal inoculations,the phytoalexins camalexin and aliphatic glucosinolate were selectively increased in Arabidopsis via both PIP-dependent and-independent *** study unveils the potential mechanism of the fungus-mediated beneficial promotion of plant immunity against biological *** data also highlight the added values of *** to plants beyond the direct suppression of insect pest populations.

关键词： Metarhizium robertsi rhizosphere fungus pipecolic acid camalexin aliphatic glucosinolate plant defenses

Impaired condensate formation is to blame for failed disease resistance in plants

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Life Metabolism 2022年第2期1卷 105-106页

作者： xiu-fang xin Jian-Min Zhou National Key Laboratory of Plant Molecular Genetics CAS Center for Excellence in Molecular Plant SciencesInstitute of Plant Physiology and EcologyChinese Academy of SciencesShanghai 200032China University of the Chinese Academy of Sciences Beijing 100049China State Key Laboratory of Plant Genomics Institute of Genetics and Developmental BiologyChinese Academy of SciencesBeijing 100101China CAS Center for Excellence in Biotic Interactions University of Chinese Academy of SciencesBeijing 100049China

High temperatures adversely affect diverse biological processes,such as disease resistance,in *** a recent article published in Nature,Kim et *** that exposure of Arabidopsis plants to a high ambient temperature(28℃)suppresses the formation of Guanylate Binding Protein-like 3(GBPL3)defence-activated condensate(GDAC)which in turn leads to the reduction of CBP60g/SARD1 transcription and immune responses at high temperatures.

关键词： resistance Arabidopsis ambient

Activity regulation and applications of metal-organic framework-based nanozymes

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Rare Metals 2024年第3期43卷 900-914页

作者： Ge fang Shou-xin Bao Gen-xiu Zhou Cui-Cui Ge State Key Laboratory of Radiation Medicine and Protection School of Radiation Medicine and ProtectionSchool for Radiological and Interdisciplinary Sciences(RAD-X)Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education InstitutionsSoochow UniversitySuzhou 215123China Suzhou Nanomicro Technology Co. LtdSuzhou 215000China

As a new generation of artificial enzymes,nanozymes show outstanding advantages such as high stability,low cost,and facile synthesis,which endow them with promising applications in biomedical and environmental *** the various reported nanozymes,metal-organic frameworks(MOFs)could mimic the active center of natural enzymes and provide a hydrophobic environment,which makes MOFs attractive alternatives to natural *** to the highly structural diversity and tailorability of MOFs,rational design will contribute to improve the activity of MOF-based nanozymes and promote their potential applications in both biomedical and environmental ***,a comprehensiye suminary of activity regulatory strategies of MOF-based nanozymes is urgently ***,we summarized the activity regulatory strategies of MOFs with intrinsic enzyme-like activities via modulation of metal nodes,ligands,structures and *** the applications of MOF-based nanozymes in biosensing,hazardous degradation,antibacterial,and cancer therapy were also ***,the current challenges and future perspectives were discussed in *** is highly expected that this review will provide a better understanding on the rational design of novel high-performance MOF-based nanozymes.

关键词： Metal-organic frameworks(MOF)-based nanozymes Activity regulation Biosensing Cancer therapy Hazardous degradation Antibacterial

Understanding the Architecture of Plant Immune System

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Bulletin of the Chinese Academy of Sciences 2021年第1期35卷 54-55页

作者： xin xiu-fang National Key Laboratory of Plant Molecular Genetics (NKLPMG)/CAS-JIC Center of Excellence for Plant and Microbial Sciences (CEPAMS) CAS Center for Excellence in Molecular Plant Sciences (CEMPS)Chinese Academy of Sciences

In nature,plant have evolved a two-layered immune system to protect themselves against diverse pathogens,including bacteria,fungi,oomycetes and so *** first layer of the immune system is the immunity triggered upon recognition of the pathogen-associated molecular patterns(PAMPs)via cell surface-localized pattern recognition receptors(PRRs),and is called pattern-triggered immunity(PTI).

关键词： immunity pattern Plant

Handgrip exercise elevates basilic venous hemodynamic parameters in healthy subjects

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International Journal of Nursing Sciences 2014年第4期1卷 389-393页

作者： Min Zhang xiu-xin fang Ming-ELi Chun-Hui Zheng Xi-Huan Zhou Xiao-Qin Lyu School of Nursing Binzhou Medical UniversityBinzhouShandongChina Binzhou Medical University Hospital BinzhouShandongChina

Purpose:This study examined the effect of handgrip exercise on hemodynamic indices to determine the most effective regimen for promoting blood ***:Healthy individuals were divided into three treatment groups with each performing exercises using an electronic *** performed exercises to determine the most appropriate tap position,frequency,and *** hemodynamic indices were measured by Doppler ***:The best handgrip position was the weak tap *** blood flow velocity and blood flow increased significantly with each exercise relative to the resting state(p<0.01).Venous blood flow velocity and blood flow peaked with handgrip exercise frequency of 25 times/min for 2 min(p<0.01).No significant differences were observed between ***:Handgrip exercise is an effective method for improving blood circulation in the upper extremities.

关键词： Doppler ultrasonography Handgrip exercise Venous blood velocity Blood vessel diameter

A low-frequency and broadband wave-insulating vibration isolator based on plate-shaped metastructures

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Applied Mathematics and Mechanics(English Edition) 2024年第7期45卷 1171-1188页

作者： Wei WEI Feng GUAN xin fang College of Intelligent Science National University of Defense TechnologyChangsha410073China Naval Research Academy Beijing100161China

A metamaterial vibration isolator,termed as wave-insulating isolator,is proposed,which preserves enough load-bearing capability and offers ultra-low and broad bandgaps for greatly enhanced wave *** consists of plate-shaped metacells,whose symmetric and antisymmetric local resonant modes offer several low and broad mode bandgaps although the complete bandgap remains high and *** bandgap mechanisms,vibration isolation properties,effects of key parameters,and robustness to complex conditions are *** experimentally demonstrated,the wave-insulating isolator can improve the vibration insulation in the ranges of[50 Hz,180 Hz]and[260 Hz,400 Hz]by 15 dB and 25 dB,respectively,in contrast to the conventional isolator with the same first resonant frequency.

关键词： metamaterial and metastructure vibration isolation bandgap wave insulation plate

Intracellular RNA Labeling Technologies for the Analysis of RNA Biology

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Chinese Journal of Chemistry 2024年第7期42卷 790-801页

作者： Ruiqi Zhao xin fang Xiaocheng Weng Department of Clinical Laboratory Center for Gene DiagnosisDepartment of NeurosurgeryZhongnan Hospital of Wuhan UniversityWuhanHubei 430071China College of Chemistryand Molecular Sciences Key Laboratory of Biomedical Polymers-Ministry of EducationWuhan UniversityWuhan Hubei 430072China

As a cornerstone of the central dogma of molecular biology,RNA plays vital roles in living *** the past few decades,many RNA labeling technologies have been developed to elucidate the biological function of *** technologies have signifi-cantly advanced our understanding of RNA secondary structure,localization,and ***,taking advantage of these innovative RNA labeling approaches,plenty of tool kits have been devised for the regulation of RNA-related biological process,such as gene expression and gene *** this review,we primarily focus on an array of intracellular RNA labeling methods,encom-passing chemical probes-based labeling,metabolic labeling,and proximity-dependent *** also provide a brief overview of their applications in the research of RNA ***,the perspectives of RNA labeling are also discussed.

关键词： RNA Chemical probes Metabolic labeling Proximity-dependent labeling RNA structures Gene sequencing RNA recognition