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The processed C-terminus of AvrRps4 effector suppresses plant immunity via targeting multiple WRKYs

Journal of Integrative plant Biology 2024年第8期66卷 1769-1787页

作者： Quang-Minh Nguyen Arya Bagus Boedi Iswanto Hobin Kang Jiyun Moon Kieu Anh Thi Phan Geon Hui Son Mi Chung Suh Eui-Hwan Chung Walter Gassmann Sang Hee Kim division of Applied Life science(BK21 Four Program) Plant Molecular Biology and Biotechnology Research CenterGyeongsang National UniversityJinju 52828Korea Department of Life science Sogang UniversitySeoul 04107Korea Department of plant Biotechnology Korea UniversitySeoul 02841Korea division of plant science and Technology Christopher S.Bond Life Sciences Center and Interdisciplinary Plant GroupUniversity of MissouriColumbiaMissouri 65211USA division of Life science and Research Institute of Molecular Alchemy Gyeongsang National UniversityJinju 52828Korea

Pathogens generate and secrete effector proteins to the host plant cells during pathogenesis to promote virulence and *** the plant carries resistance(R)proteins that recognize pathogen effectors,effector-triggered immunity(ETI)is activated,resulting in a robust immune response and hypersensitive response(HR).The bipartite effector AvrRps4 from Pseudomonas syringae *** has been well studied in terms of avirulence *** planta,AvrRps4 is processed into two *** Cterminal fragment of AvrRps4(AvrRps4^(C))induces HR in turnip and is recognized by the paired resistance proteins AtRRS1/AtRPS4 in ***,we show that AvrRps4^(C)targets a group of Arabidopsis WRKY,including WRKY46,WRKY53,WRKY54,and WRKY70,to induce its virulence ***,AvrRps4^(C)suppresses the general binding and transcriptional activities of immune-positive regulator WRKY54 and WRKY54-mediated ***4^(C)interferes with WRKY54's binding activity to target gene SARD1 in vitro,suggesting WRKY54 is sequestered from the SARD1 promoter by AvrRps4^(C).Through the interaction of Avr Rps4^(C)with four WRKYs,AvrRps4 enhances the formation of homo-/heterotypic complexes of four WRKYs and sequesters them in the cytoplasm,thus inhibiting their function in plant ***,our results provide a detailed virulence mechanism of AvrRps4 through its C-terminus.

关键词： AvrRps4 bacterial effector effector-triggered immunity immune response suppression transcription factor WRKY

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α1-COP modulates plasmodesmata function through sphingolipid enzyme regulation

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Journal of Integrative plant Biology 2024年第8期66卷 1639-1657页

作者： Arya Bagus Boedi Iswanto Minh Huy Vu Jong Cheol Shon Ritesh Kumar Shuwei Wu Hobin Kang Da-Ran Kim Geon Hui Son Woe Yoen Kim Youn-Sig Kwak Kwang Hyeon Liu Sang Hee Kim Jae-Yean Kim division of Applied Life science(BK21 FOUR Program) Plant Molecular Biology and Biotechnology Research CenterGyeongsang National UniversityJinju 52828Korea College of Pharmacy and Research Institute of Pharmaceutical sciences Kyungpook National UniversityDaegu 702-701Korea Departement of plant Medicine Gyeongsang National UniversityJinju 52828Korea division of Life science Gyeongsang National UniversityJinju 52828Korea

Callose,aβ-1,3-glucan plant cell wall polymer,regulates symplasmic channel size at plasmodesmata(PD)and plays a crucial role in a variety of plant ***,elucidating the molecular mechanism of PD callose homeostasis is *** screened and identified an Arabidopsis mutant plant with excessive callose deposition at PD and found that the mutated gene wasα1-COP,a member of the coat protein I(COPI)coatomer *** report that loss of function ofα1-COP elevates the callose accumulation at PD by affecting subcellular protein localization of callose degradation enzyme Pd *** process is linked to the functions of ERH1,an inositol phosphoryl ceramide synthase,and glucosylceramide synthase through physical interactions with theα1-COP ***,the loss of function ofα1-COP alters the subcellular localization of ERH1 and GCS proteins,resulting in a reduction of Glc Cers and Glc HCers molecules,which are key sphingolipid(SL)species for lipid raft *** findings suggest thatα1-COP protein,together with SL modifiers controlling lipid raft compositions,regulates the subcellular localization of GPI-anchored PDBG2 proteins,and hence the callose turnover at PD and symplasmic movement of *** findings provide the first key clue to link the COPI-mediated intracellular trafficking pathway to the callose-mediated intercellular signaling pathway through PD.

关键词： callose coatomer proteins membrane-bound vesicle plasmodesmata sphingolipid enzymes

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The innovative safe herbicide dienediamine saves paraquat

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Molecular plant 2024年第1期17卷 11-12页

作者： Jin-Qiu Xia Ping Xu Cheng-Bin Xiang division of Life sciences and Medicine Division of Molecular&Cell BiophysicsHefei National Science Center for Physical Sciences at the MicroscaleMOE Key Laboratory for Membraneless Organelles and Cellular DynamicsUniversity of Science and Technology of ChinaThe Innovation Academy of Seed DesignChinese Academy of SciencesHefeiAnhui Province 230027China Shanghai Key Laboratory of plant Functional Genomics and Resources Shanghai Chenshan Botanical GardenShanghai Chenshan Plant Science Research CenterCAS Center for Excellence in Molecular Plant SciencesShanghai 201602China

Throughout the history of agriculture,the challenge of weed management has endured,necessitating significant investments to facilitate ideal crop growth and maximize *** for weed control mainly involve manual and chem... 详细信息

关键词： approach. manual chemical

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Super-Resolution Fluorescence Microscopy for Cilia Investigation and Ciliopathy Diagnosis(Invited)

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激光与光电子学进展 2024年第6期61卷 260-271页

作者： Liu Zhen Wu Yang division of Life science The Hong Kong University of Science and TechnologyHong KongChina

The last two decades have witnessed the invention and development of super-resolution microscopy(SRM)that breaks the diffraction limit of light and pushes the fluorescence microscopy resolution to several *** SRM is widely used in biological studies,such as resolving subdiffraction structures,molecular mapping,tracking single molecules,probing protein-protein interactions,and observing organelle dynamics,its direct application in translational medicine,such as disease diagnosis,is still *** their small size,cilia play a crucial role as organelles in cell signaling and motility,with defects in cilia leading to *** to other miniature organelles and macromolecular complexes,cilia are ideal for super-resolution *** this review,we will 1)introduce cilia and ciliopathy,2)show how SRM extends our knowledge of cilia,and 3)focus on how SRM improves the diagnosis of motile ciliopathies.

关键词： diagnosis limit spite

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Perenniality:From model plants to applications in agriculture

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Molecular plant 2024年第1期17卷 141-157页

作者： Bo Zhao Jia-Wei Wang National Key Laboratory of plant Molecular Genetics CAS Center for Excellence in Molecular Plant Sciences(CEMPS)Institute of Plant Physiology and Ecology(SIPPE)Chinese Academy of Sciences(CAS)Shanghai 200032China School of Life science and Technology ShanghaiTech UniversityShanghai 201210China Key Laboratory of plant Carbon Capture CASShanghai 200032China New Cornerstone science Laboratory Shanghai 200032China

To compensate for their sessile nature,plants have evolved sophisticated mechanisms enabling them to adapt to ever-changing *** such prominent feature is the evolution of diverse life history strategies,particularly such that annuals reproduce once followed by seasonal death,while perennials live longer by cycling growth *** intrinsic phenology is primarily genetic and can be altered by environmental *** evolutionary transitions between annual and perennial life history strategies are common,perennials account for most species in nature because they survive well under year-round *** proportion,however,is reversed in ***,perennial crops promise to likewise protect and enhance the resilience of agricultural ecosystems in response to climate *** significant endeavors that have been made to generate perennial crops,progress is slow because of barriers in studying perennials,and many developed species await further *** findings in model species have illustrated that simply rewiring existing genetic networks can lead to lifestyle *** implies that engineering plant life history strategy can be achieved by manipulating only a few key *** this review,we summarize our current understanding of genetic basis of perenniality and discuss major questions and challenges that remain to be addressed.

关键词： perenniality developmental plasticity flowering time poplar Arabis alpina perennial crops life history strategy

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Changes in Metabolites and Allelopathic Effects of Non-Pigmented and Black-Pigmented Lowland Indica Rice Varieties in Phosphorus Deficiency

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Rice science 2024年第4期31卷 434-448,I0025,I0026页

作者： Liyana SARA Sompop SAEHENG Panupong PUTTARAK Lompong KLINNAWEE division of Biological science Faculty of SciencePrince of Songkla UniversitySongkhla 90110Thailand division of Health and Applied sciences Faculty of SciencePrince of Songkla UniversitySongkhla 90110Thailand plant Cell and Physiology for Sustainable Agriculture Research Unit Faculty of SciencePrince of Songkla UniversitySongkhla 90110Thailand Department of Pharmacognosy and Pharmaceutical Botany Faculty of Pharmaceutical SciencesPrince of Songkla UniversitySongkhla 90110Thailand Phytomedicine and Pharmaceutical Biotechnology Excellence Center Prince of Songkla UniversitySongkhla 90110Thailand

Phosphorus(P) levels alter the allelopathic activity of rice seedlings against lettuce seeds. In this study, we investigated the effect of P deficiency on the allelopathic potential of non-pigmented and pigmented rice varieties. Rice seedlings of the white variety Khao Dawk Mali(KDML105, non-pigmented) and the black varieties Jao Hom Nin(JHN, pigmented) and Riceberry(RB, pigmented) were cultivated under high P(HP) and low P(LP) conditions. Morphological and metabolic responses to P deficiency were investigated. P deficiency inhibited shoot growth but promoted root growth of rice seedlings in all three varieties. Moreover, P deficiency led to decreased cytosolic phosphate(Pi) and total P concentrations in both shoot and root tissues. The subsequent reduction in internal P concentration enhanced the accumulation of phenolic compounds in both shoot and root tissues of the seedlings. Subsequently, allelopathy-based inter-and intra-specific interactions were assessed using water extracts from seedlings of the three varieties grown under HP and LP conditions. These extracts were tested on seeds of lettuce, the weed Dactyloctenium aegyptium, and the same rice variety. The shoot and root extracts from P-deficient seedlings reduced the germination of all recipient plants. Specifically, the shoot extract from P-deficient KDML105 seedlings reduced the germination index(GI) of lettuce seeds to 1%, while those from P-deficient RB and JHN seedlings produced GIs of 32% and 42%, respectively. However, when rice seeds were exposed to their own LP shoot and root extracts, their GIs increased up to 4-fold, compared with the HP extracts. Additionally, the shoot extracts from P-deficient plants also stimulated the germination of D. aegyptium by about 2–3-fold, whereas the root extracts did not have this effect. Therefore, P starvation led to the accumulation and exudation of phenolics in the shoots and roots of rice seedlings, altering their allelopathic activities. To adapt to P defici

关键词： phosphorus deficiency non-pigmented and black-pigmented rice phenolics extract allelopathy

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Modified DS np Chart Using Generalized Multiple Dependent State Sampling under Time Truncated Life Test

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Computer Modeling in Engineering & sciences 2024年第3期138卷 2471-2495页

作者： Wimonmas Bamrungsetthapong Pramote Charongrattanasakul division of Applied Statistics Department of Mathematics and Computer ScienceFaculty of Science and TechnologyRajamangala University of Technology ThanyaburiPathum Thani12110Thailand division of Mathematics Department of Mathematics and Computer ScienceFaculty of Science and TechnologyRajamangala University of Technology KrungthepBangkok10120Thailand

This study presents the design of a modified attributed control chart based on a double sampling(DS)np chart applied in combination with generalized multiple dependent state(GMDS)sampling to monitor the mean life of the product based on the time truncated life test employing theWeibull *** control chart developed supports the examination of the mean lifespan variation for a particular product in the process of *** control limit levels are used:the warning control limit,inner control limit,and outer control ***,they enhance the capability for variation detection.A genetic algorithm can be used for optimization during the in-control process,whereby the optimal parameters can be established for the proposed control *** control chart performance is assessed using the average run length,while the influence of the model parameters upon the control chart solution is assessed via sensitivity analysis based on an orthogonal experimental design withmultiple linear regression.A comparative study was conducted based on the out-of-control average run length,in which the developed control chart offered greater sensitivity in the detection of process shifts while making use of smaller samples on average than is the case for existing control ***,to exhibit the utility of the developed control chart,this paper presents its application using simulated data with parameters drawn from the real set of data.

关键词： Modified DS np chart generalizedmultiple dependent state sampling time truncated life test Weibull distribution average run length average sample size

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CONSTANS alters the circadian clock in Arabidopsis thaliana

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Molecular plant 2024年第8期17卷 1204-1220页

作者： Pedro de los Reyes Gloria Serrano-Bueno Francisco J.Romero-Campero He Gao Jose M.Romero Federico Valverde plant Development Group-Institute for plant Biochemistry and Photosynthesis Consejo Superior de Investigaciones CientificasUniversidad de SevillaSevilleSpain Department of Computer science and Artificial Intelligence Universidad de SevillaSevilleSpain Department of plant Developmental Biology Max Planck Institute for Plant Breeding ResearchCologneGermany Department of plant Biochemistry and Molecular Biology Universidad de SevillaSevilleSpain

plants are sessile organisms that have acquired highly plastic developmental strategies to adapt to the *** these processes,the floral transition is essential to ensure reproductive success and is finelyregulated by several internal andexternal genetic *** photoperiodic pathway,which controls plant response to day length,is one of the most important pathways controlling *** Arabidopsis photoperiodic flowering,CONSTANS(CO)is the central gene activating the expression of the florigen FLOWERING LOCUS T(FT)in the leaves at the end of a long *** circadian clock strongly regulates Co ***,to date,no evidence has been reported regarding a feedbackloop from the photoperiod pathway back to the circadian *** transcriptional networks,we have identified relevant network motifs regulating the interplay between the circadian clock and the photoperiod *** expression,chromatin immunoprecipitation experiments,and phenotypic analysis allowed us to elucidate the role of Co over the circadian *** with altered cO expression showed a different internal clock period,measured by daily leaf rhythmic *** showed that co upregulates the expression of key genes related to the circadian clock,such as CCA1,LHY,PRR5,and Gl,at the end of a long day by bindingto specific sites on their ***,a high numberof PRR5-repressed target genes are upregulated by CO,and this could explain the phase transition promoted by *** CO-PRR5 complex interacts with the bZiP transcriptionfactor HY5andhelps to localize the complex in the promoters of clock *** together,our results indicate that there may be a feedback loop in which co communicates back to the circadian clock,providing seasonal information to the circadian system.

关键词： CONSTANS circadian clock photoperiod

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Super Resolution Fluorescence Microscopy for Cilia Investigation and Ciliopathy Diagnosis

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激光与光电子学进展 2024年

作者： Zhen LIU Yang WU division of Life science The Hong Kong University of Science and Technology

The last two decades have witnessed the invention and development of superresolution microscopy(SRM), which breaks the diffraction limit of light and pushes the resolution of fluorescence microscopy to several nanometers. SRM is now widely applied in biological studies such as resolving subdiffraction structures, molecular mapping, single molecule tracking, probing protein-protein interactions, and observing organelle dynamics. However, its direct application in translational medicine such as disease diagnosis is still preliminary. Despite their small size, cilia play a crucial role as organelles in cell signaling and motility, and defects in cilia lead to ciliopathy. Like other miniature organelles and macromolecular complexes, cilia are ideal for superresolution imaging. In this review, we will 1) introduce cilia and ciliopathy, 2) show how SRM extends our knowledge of cilia, and 3) focus on how SRM improves the diagnosis of motile ciliopathies.

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Interfacial modulation of bifunctional electrolyte additive engineering for dendrite-free and robust lithium metal anode

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Journal of Energy Chemistry 2024年第10期97卷 120-127页

作者： Mahammad Rafi Shaik Yongmin Park Young-Kwang Jung Won Bin Im division of Materials science and Engineering Hanyang University Department of Chemical Engineering and Biotechnology University of Cambridge

Anode materials for rechargeable electric car batteries are obtained from Li-metal owing to their extremely high specific capacity and low redox ***,safety concerns related to dendrite formation on the anode surface caused by the uneven distribution of Li-ions during the discharge process interfere with the use of Li-metal in industrial *** this study,methyl vinyl sulfone（MVS）,a sulfone-based functional electrolyte additive,is used in an additive engineering strategy to control Lielectrolyte interactions and address the aforementioned *** dendrite growth may be restricted,and transition metal degradation on the surface of the cathode can be reduced by the MVS-derived functional electrolyte additive interfacial *** electrochemical performance of an ethylene carbonate/dimethyl carbonate（EC/DMC）+1 wt% MVS Li-metal anode of a Li||Li symmetric cell exhibits remarkable cycle stability,maintaining a low overvoltage for over 750 h at 1 mA cm-2,and capacity of 1 mA h ***,LiNi0.8Co0.1Mn0.1O2（NCM811） full cells with the MVS additive exhibit enhanced electrochemical stability for 250 cycles at a current density of 100 mA *** study provides an innovative approach for stabilizing the metal-electrolyte interfacial layer that may be used for practical applications in metal-based rechargeable batteries.

关键词： Bifunctional electrolyte Dendrite-free Electrolyte additive Interfacial layer Lithium rechargeable battery

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