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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

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

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

DGK5-mediated phosphatidic acid homeostasis interplays with reactive oxygen species in plant immune signaling

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Journal of Integrative Plant Biology 2024年第7期66卷 1263-1265页

作者： Dian Wang Minhang Yuan Yamei Zhuang xiu-fang xin Guang Qi Crop Research Institute Shandong Academy of Agricultural Sciences/National Engineering Research Center of Wheat and Maize/Shandong Technology Innovation Center of WheatJinan 252100China College of Agronomy Qingdao Agricultural UniversityQingdao 266109China National Key Laboratory of Plant Molecular Genetics CAS Center for Excellence in Molecular Plant SciencesInstitute of Plant Physiology and EcologyChinese Academy of SciencesShanghai 200032China

Plants have evolved a complex innate immune system that deploys two interconnected receptor layers to detect the invasion of various *** surface-resident pattern recognition receptors(PRRs)perceive pathogen-or microbeassociated molecular patterns(PAMPs/MAMPs),initiating a basal defense response called pattern-triggered immunity(PTI)(Zhou and Zhang,2020).

关键词： pattern homeostasis immunity

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

Separation of the ionospheric and thermospheric contributions in the data from the Triple Ionosophere Photo Meter onboard the Feng-Yun 3E satellite

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Science China Earth Sciences 2025年第1期68卷 172-184页

作者： fang JIANG Tian MAO Jin-Song WANG xiu-Qing HU Xiao-xin ZHANG Liping FU Nan JIA Tianfang WANG National Space Science Center Chinese Academy of Sciences Beijing Key Laboratory of Space Environment Exploration Key Laboratory of Environmental Space Situation Awareness Technology National Satellite Meteorological Center China Meteorological Administration

The Triple Ionosphere Photo Meter （TRIPM） is a far ultraviolet nadir-view photometer that is onboard the secondgeneration,polar-orbiting Chinese meteorological satellite Feng-Yun 3E （FY-3E）,which was launched on July 5,*** has three channels,and each is used to measure different types of emissions:（1） 135.6 nm airglow produced by the recombination of the O+ions and electrons in the absence of sunlight （nighttime channel）;（2） 135.6 nm airglow from the OI when sunlight is present （daytime/dusk-dawn 135.6 nm channel）;and （3） Airglow in the N2LBH of the TRIPM （daytime/dusk-dawn N2LBH channel）.FY-3E is a satellite operating in the early morning ***,the data are mostly distributed on the dawndusk side or at times when the solar zenith angle is relatively *** this study,combined with simulation calculations,the data are *** further explore the application value of the data products,a model is used to separate the ionospheric radiative recombination contribution from the thermosphere photoelectron impact excitation contribution in the data from the daytime/dusk-dawn 135.6 nm *** approach not only improves the accuracy of O/N2derived from the 135.6 nm channel and N2LBH channel but also provides the ionospheric 135.6 nm radiance at the same time as the *** results show that the 135.6 nm radiance originating from the combination of O+and electrons extracted from the measurement data exhibits similar equatorial anomaly peak structure characteristics and seasonal variations as the corresponding GPS total electron content （TEC） *** the other hand,the separated 135.6 nm radiance generated from the thermosphere photoelectron collision excitation does not contain radiative recombination contributions;thus,the ionosphere influence is greatly avoided when the O/N2is obtained.

关键词： Far ultraviolet 135.6 nm emission intensity Photoelectron impact excitation Radiative recombination excitation

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Influence of humidity on bacterial virulence and plant immunity

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Influence of humidity on bacterial virulence and plant immun...

Molecular dissection of the influence of humidity on bacterial virulence andplant immunity

2018全国植物生物学大会

作者： Boying Cai Yezhou Hu Minhang Yuan Lingya Yao xiu-fang xin Shanghai Institute of Plant Physiology and Ecology Chinese Academy of Sciences Center of Excellence for Plant and Microbial Sciences(CEPAMS) Chinese Academy of Sciences-John Innes Center

Despite tremendous efforts in breeding and pesticide input,plant diseases caused by pathogenic microbes represent one of the most important threats to global food *** important reason is that we are far from understanding the basic disease susceptibility mechanisms and the molecular basis of the influences of environmental conditions,such as humidity and temperature,on plant *** the Arabidopsis thaliana-Pseudomonas syringae pathosystem,we discovered that bacterial pathogens such as *** drive the formation of "water soaking" in the leaf intercellular space(apoplast) of infected plants as a key virulence *** pathogen exploits type III effector proteins such as HopM1 and AvrE to create an aqueous apoplast,which provides a conducive environment for aggressive multiplication of the bacterial ***, "water soaking" formation was found to require high humidity,an environmental condition that is long-known to promote numerous plant diseases in the field,thereby providing a critical insight into the humidity effect on pathogen ***,we recently found that high humidity also significantly affects plant immune signalingsuch as salicylic acid(SA) and jasmonic acid(JA) pathways,in both Arabidopsis and rice *** suggests that high humidity promotes infection not only by facilitating bacterial virulence(i.e. "water soaking" formation) but also by affecting plant immunity ***,our research begins to gain molecular insight into an important,but historically understudied aspect of the multi-dimensional "plant-pathogen-environment" interactions.

关键词： bacterial pathogenesis plant immunity humidity type III effectors

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Molecular dissection of the influence of humidity on bacteri...

凝血功能和抗凝治疗对肝脏纤维化影响的研究进展

2018全国植物生物学大会

Despite tremendous efforts in breeding and pesticide input,plant diseases caused by pathogenic microbes represent one of the most important threats to global food *** important reason is that we are far from understanding the basic disease susceptibility mechanisms and the molecular basis of the influences of environmental conditions,such as humidity and temperature,on plant *** the Arabidopsis thalianaPseudomonas syringaepathosystem,we discovered that bacterial pathogens such as *** drive the formation of "water soaking" in the leaf intercellular space(apoplast)of infected plants as a key virulence *** pathogen exploits type Ⅲeffector proteins such as HopM1 and AvrE to create an aqueous apoplast,which provides a conducive environment for aggressive multiplication of the bacterial ***1 induces "water soaking" in part by degrading a plant trafficking regulator protein MIN7,while AvrE seems to exert its function by manipulating two classes of plant enzymes,Protein Phosphatase 1(PP1) and Calcium-dependent Protein Kinases(CDPKs).Moreover, "water soaking" formation was found to require high humidity,an environmental condition that is long-known to promote numerous plant diseases in the field,thereby providing a critical insight into the humidity effect on pathogen ***,we recently found that high humidity also significantly affects plant immune signaling,especially salicylic acid(SA) and jasmonic acid(JA) pathways,in both Arabidopsis and rice *** suggests that high humidity promotes infection not only by facilitating bacterial virulence(i.e. "water soaking" formation) but also by affecting plant immunity ***,our research begins to gain molecular insight into an important,but historically understudied aspect of the multi-dimensional "plant-pathogen-environment" interactions.

关键词： bacterial pathogenesis plant immunity humidity type Ⅲ effectors

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世界华人消化杂志 2017年第10期25卷 897-903页

作者：王霄霄方秀新滨州医学院护理学院山东省滨州市256600

肝硬化及其并发症包括食管胃底静脉曲张破裂出血、肝性脑病、腹水,是严重危害人类健康的疾病.预防及治疗早期肝硬化即肝纤维化是治疗的关键.为了攻克此类难题,减轻其带给人类的痛苦,医学专家、学者相继开展了一系列动物及临床研究,旨在... 详细信息

肝硬化及其并发症包括食管胃底静脉曲张破裂出血、肝性脑病、腹水,是严重危害人类健康的疾病.预防及治疗早期肝硬化即肝纤维化是治疗的关键.为了攻克此类难题,减轻其带给人类的痛苦,医学专家、学者相继开展了一系列动物及临床研究,旨在寻找一种安全、高效、可靠的药物延缓肝纤维化进程,甚至使肝脏功能逆转.该综述介绍了国内外学者对肝脏纤维化的定义,重点评述凝血功能对肝脏纤维化进程的影响以及中西医抗凝治疗肝脏纤维化的动物实验与临床研究进展,并概述了不同抗凝药物防治肝纤维化的优缺点及治疗不良反应等.

关键词：肝纤维化凝血功能抗凝治疗高凝状态