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Genetic and lipidomic analyses reveal the key role of lipid metabolism for cold tolerance in maize

Journal of Genetics and Genomics 2024年第3期51卷 326-337页

作者： Lei Gao Haifang Jiang Minze Li Danfeng Wang Hongtao Xiang Rong Zeng Limei Chen Xiaoyan Zhang Jianru Zuo Shuhua Yang Yiting Shi State key Laboratory of plant Environmental Resilience College of Biological SciencesFrontiers Science Center for Molecular Design BreedingCenter for Crop Functional Genomics and Molecular BreedingChina Agricultural UniversityBeijing 100193China State key Laboratory of Wheat&Maize Crop Science College of Life SciencesHenan Agricultural UniversityZhengzhouHenan 450002China State key Laboratory of plant Genomics Institute of Genetics and Developmental BiologyChinese Academy of SciencesBeijing 100101China University of Chinese Academy of Sciences Beijing 100049China Suihua Branch of Heilongjiang Academy of Agricultural Machinery Sciences SuihuaHeilongjiang 152052China

Lipid remodeling is crucial for cold tolerance in ***,the precise alternations of lipidomics during cold responses remain elusive,especially in maize(Zea mays L.).In addition,the key genes responsible for cold tolerance in maize lipid metabolism have not been ***,we integrate lipidomic,transcriptomic,and genetic analysis to determine the profile of lipid remodeling caused by cold *** find that the homeostasis of cellular lipid metabolism is essential for maintaining cold tolerance of ***,we detect 210 lipid species belonging to 13 major classes,covering phospholipids,glycerides,glycolipids,and free fatty *** lipid metabolites undergo specific and selective alterations in response to cold stress,especially mono-/di-unsaturated lysophosphatidic acid,lysophosphatidylcholine,phosphatidylcholine,and phosphatidylinositol,as well as polyunsaturated phosphatidic acid,monogalactosyldiacylglycerol,diacylglycerol,and *** addition,we identify a subset of key enzymes,including ketoacyl-acyl-carrier protein synthase II(KAS II),acyl-carrier protein 2(ACP2),male sterility33(Ms33),and stearoyl-acyl-carrier protein desaturase 2(SAD2)involved in glycerolipid biosynthetic pathways are positive regulators of maize cold *** results reveal a comprehensive lipidomic profile during the cold response of maize and provide genetic resources for enhancing cold tolerance in crops.

关键词： Maize Cold stress Lipid metabolism Transcriptome Lipidomic

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Heat-inducible SlWRKY3 confers thermotolerance by activating the SlGRXS1 gene cluster in tomato

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Horticultural plant Journal 2024年第2期10卷 515-531页

作者： Ying Wang Wenxian Gai Liangdan Yuan Lele Shang Fangman Li Zhao Gong Pingfei Ge Yaru Wang Jinbao Tao Xingyu Zhang Haiqiang Dong Yuyang Zhang national key Laboratory for Germplasm Innovation and Utilization for Fruit and Vegetable Horticultural Crops Huazhong Agricultural UniversityWuhanHubei 430070China Hubei Hongshan Laboratory WuhanHubei 430070China

High temperature stress is one of the major environmental factors that affect the growth and development of plants. Although WRKY transcription factors play a critical role in stress responses, there are few studies on the regulation of heat stress by WRKY transcription factors,especially in tomato. Here, we identified a group I WRKY transcription factor, SlWRKY3, involved in thermotolerance in tomato. First, SlWRKY3 was induced and upregulated under heat stress. Accordingly, overexpression of SlWRKY3 led to an increase, whereas knock-out of SlWRKY3 resulted in decreased tolerance to heat stress. Overexpression of SlWRKY3 accumulated less reactive oxygen species(ROS), whereas knock-out of SlWRKY3 accumulated more ROS under heat stress. This indicated that SlWRKY3 positively regulates heat stress in tomato. In addition,SlWRKY3 activated the expression of a range of abiotic stress-responsive genes involved in ROS scavenging, such as a SlGRXS1 gene *** analysis showed that SlWRKY3 can bind to the promoters of the SlGRXS1 gene cluster and activate their expression. Collectively, these results imply that SlWRKY3 is a positive regulator of thermotolerance through direct binding to the promoters of the SlGRXS1 gene cluster and activating their expression and ROS scavenging.

关键词： Tomato WRKY transcription factor SlWRKY3 Thermotolerance SlGRXS1 Gene cluster Abiotic stress

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lmpact of non-canonical ALK fusion on the efficacy of targeted therapy in non-small cell lung cancer

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Chinese Medical Journal 2024年第12期137卷 1468-1470页

作者： Hao Zeng Qi Wei Yuan Tang Yuanyuan Zhang Sihan Tan Qin Huang Xin Pu Yalun Li Panwen Tian Department of Pulmonary and Critical Care medicine West China HospitalSichuan UniversityChengduSichuan 610041China Department of Pathology West China HospitalSichuan UniversityChengduSichuan 610041China Department of Pulmonary and Critical Care medicine Lung Cancer CenterWest China HospitalSichuan UniversityChengduSichuan 610041China Department of Pulmonary and Critical Care medicine State Key Laboratory of Respiratory Health and MultimorbidityPrecision Medicine Key Laboratory of Sichuan ProvinceWest China HospitalSichuan UniversityChengduSichuan 610041China

To the Editor:With the wide application of next-generation sequencing(NGS),a number of EML4-ALK fusion partners or coexisting(non)-EML4-ALK and non-EML4-ALK have been detected in non-small cell lung cancer(NSCLC).Although targeted therapies for patients with metastatic NSCLC and actionable mutations dramatically change how these patients are treated,studies have demonstrated differences in progression-free survival(PFS)among patients based on different ALK fusion partners.

关键词： targeted lung NSCLC

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Soybean(Glycine max)rhizosphere organic phosphorus recycling relies on acid phosphatase activity and specific phosphorusmineralizing-related bacteria in phosphate deficient acidic soils

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Journal of Integrative Agriculture 2024年第5期23卷 1685-1702页

作者： Qianqian Chen Qian Zhao Baoxing Xie Xing Lu Qi Guo Guoxuan Liu Ming Zhou Jihui Tian Weiguo Lu Kang Chen Jiang Tian Cuiyue Liang Root Biology Center State Key Laboratory for Conservation and Utilization of Subtropical Agro-BioresourcesCollege of Natural Resources and EnvironmentSouth China Agricultural UniversityGuangzhou 510642China College of Natural Resources and Environment South China Agricultural UniversityGuangzhou 510642China Henan Academy of Crops Molecular Breeding Henan Academy of Agricultural SciencesZhengzhou 450002China

Bacteria play critical roles in regulating soil phosphorus(P) cycling. The effects of interactions between crops and soil P-availability on bacterial communities and the feedback regulation of soil P cycling by the bacterial community modifications are poorly understood. Here, six soybean(Glycine max) genotypes with differences in P efficiency were cultivated in acidic soils with long-term sufficient or deficient P-fertilizer treatments. The acid phosphatase(AcP) activities, organic-P concentrations and associated bacterial community compositions were determined in bulk and rhizosphere soils. The results showed that both soybean plant P content and the soil AcP activity were negatively correlated with soil organic-P concentration in P-deficient acidic soils. Soil P-availability affected the ɑ-diversity of bacteria in both bulk and rhizosphere soils. However, soybean had a stronger effect on the bacterial community composition, as reflected by the similar biomarker bacteria in the rhizosphere soils in both P-treatments. The relative abundance of biomarker bacteria Proteobacteria was strongly correlated with soil organic-P concentration and AcP activity in low-P treatments. Further high-throughput sequencing of the phoC gene revealed an obvious shift in Proteobacteria groups between bulk soils and rhizosphere soils, which was emphasized by the higher relative abundances of Cupriavidus and Klebsiella, and lower relative abundance of Xanthomonas in rhizosphere soils. Among them, Cupriavidus was the dominant phoC bacterial genus, and it was negatively correlated with the soil organic-P concentration. These findings suggest that soybean growth relies on organic-P mineralization in P-deficient acidic soils, which might be partially achieved by recruiting specific phoCharboring bacteria, such as Cupriavidus.

关键词： organic phosphorus acid phosphatase soybean bacterial community phoC-harboring bacteria rhizosphere

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Pressure-Tuned Intrinsic Anomalous Hall Conductivity in Kagome Magnets RV_(6)Sn_(6)(R=Gd,Tb)

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Chinese Physics Letters 2024年第4期41卷 139-151页

作者：孔祥明陶咨成张蕊夏威陈旭裴翠颖应天平齐彦鹏郭艳峰杨小帆李世燕 State key Laboratory of Surface Physics Department of PhysicsFudan UniversityShanghai 200438China Shanghai research Center for Quantum Sciences Shanghai 201315China School of Physical Science and Technology ShanghaiTech UniversityShanghai 201210China ShanghaiTech Laboratory for Topological Physics Shanghai 201210China Northwest Institute for Non-Ferrous Metal research Xi'an 710016China Beijing national Laboratory for Condensed Matter Physics and Institute of PhysicsChinese Academy of SciencesBeijing 100190China Shanghai key Laboratory of High-resolution Electron Microscopy Shanghai 201210China Collaborative Innovation Center of Advanced Microstructures Nanjing 210093China

Exploration of exotic phenomena in magnetic topological systems is at the frontier of condensed matter physics,holding a significant promise for applications in topological ***,complex magnetic structures carrying nontrivial topological properties hinder its ***,we investigate the pressure effect on the novel topological kagome magnets GdV_(6)Sn_(6) and TbV_(6)Sn_(6) to dig out the interplay between magnetic Gd/Tb layers and nonmagnetic V-based kagome *** pressure-tuned magnetic transition temperature Tm in both the compounds exhibit a turning point at the critical pressure P_(c),accompanied with a sign reversal in anomalous Hall effect(AHE).The separation of intrinsic and extrinsic contributions using the Tian-Ye-Jin scaling model suggests that the intrinsic mechanism originating from the electronic Berry curvature holds the priority in the competition with extrinsic mechanism in *** above-mentioned findings can be attributed to the combined effect of pressure-tuned band topology and magnetic interaction in segregated *** results provide a practical route to design and manipulate the intrinsic AHE in magnetic topological materials.

关键词： holds frontier hinder

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Genome-wide association with transcriptomics reveals a shade-tolerance gene network in soybean

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The Crop Journal 2024年第1期12卷 232-243页

作者： Yanzhu Su Xiaoshuai Hao Weiying Zeng Zhenguang Lai Yongpeng Pan Can Wang Pengfei Guo Zhipeng Zhang Jianbo He Guangnan Xing Wubin Wang Jiaoping Zhang Zudong Sun Junyi Gai Soybean research Institute/MARA national Center for Soybean Improvement MARA key Laboratory of Biology and Genetic Improvement of Soybean/State key Laboratory for Crop Genetics and Germplasm Enhancement/State Innovation Platform for Integrated Production and Education in Soybean Bio-breeding/Jiangsu Collaborative Innovation Center for Modern Crop Production Nanjing Agricultural UniversityNanjing 210095JiangsuChina Guangxi Academy of Agricultural Sciences Nanning 530007GuangxiChina

Shade tolerance is essential for soybeans in inter/relay cropping systems.A genome-wide association study(GWAS)integrated with transcriptome sequencing was performed to identify genes and construct a genetic network governing the trait in a set of recombinant inbred lines derived from two soybean parents with contrasting shade *** improved GWAS procedure,restricted two-stage multi-locus genome-wide association study based on gene/allele sequence markers(GASM-RTM-GWAS),identified 140 genes and their alleles associated with shade-tolerance index(STI),146 with relative pith cell length(RCL),and nine with *** of these genes by biological categories allowed the construction of a protein–protein interaction network by 187 genes,of which half were differentially expressed under shading and non-shading conditions as well as at different growth *** the identified genes,three ones jointly identified for both traits by both GWAS and transcriptome and two genes with maximum links were chosen as beginners for entrance into the ***,both STI and RCL gene systems worked for shade-tolerance with genes interacted each other,this confirmed that shadetolerance is regulated by more than single group of interacted genes,involving multiple biological functions as a gene network.

关键词： Soybean(Glycine max(L.)Merr.) Shade-tolerance Restricted two-stage multi-locus genomewide association study based on gene/allele sequence markers(GASM-RTM-GWAS) Shade-tolerance index(STI) Relative cell length(RCL) Transcriptome

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MIR1868 negatively regulates rice cold tolerance at both the seedling and booting stages

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The Crop Journal 2024年第2期12卷 375-383页

作者： Yang Shen Xiaoxi Cai Yan Wang Wanhong Li Dongpeng Li Hao Wu Weifeng Dong Bowei Jia Mingzhe Sun Xiaoli Sun Crop Stress Molecular Biology Laboratory Heilongjiang Bayi Agricultural UniversityDaqing 163319HeilongjiangChina

Low temperature causes rice yield losses of up to 30%–40%,therefore increasing its cold tolerance is a breeding *** genes in rice are reported to confer cold tolerance at both the vegetative and reproductive *** study revealed a rice-specific 24-nt miRNA,miR1868,whose accumulation was suppressed by cold *** of MIR1868 increased seedling survival,pollen fertility,seed setting,and grain yield under cold stress,whereas its overexpression conferred the opposite *** of MIR1868 increased reactive oxygen species(ROS)scavenging and soluble sugar content under cold stress by increasing the expression of peroxidase genes and sugar metabolism genes,and its overexpression produced the opposite ***,MIR1868 negatively regulated rice cold tolerance via ROS scavenging and sugar accumulation.

关键词： Rice Cold tolerance miRNA ROS scavenging Soluble sugar accumulation

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Superior Latent Heat Eutectic Salt Na_(2)CO_(3)-Li_(2)CO_(3)-LiF for Thermal Energy Storage:Preparation and Performance Investigation

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Journal of Thermal Science 2024年第2期33卷 501-508页

作者： LI Weiwei MIAO Qi ZHANG Yelong DING Hongliang YANG Sa LAI Yuan FENG Daili DING Yulong JIN Yi TAN Linghua School of Chemistry and Chemical Engineering Nanjing University of Science&TechnologyNanjing210094China national Special Superfine Powder Engineering research Center Nanjing University of Science and TechnologyNanjing210094China Nanjing Jinhe Energy Material Co. LtdNanjing210047China School of Chemical Engineering University of BirminghamBirminghamB152TTUK School of Energy&Environmental Engineering University of Science and Technology BeijingBeijing100083China

In this paper,a novel ternary eutectic salt Na_(2)CO_(3)-Li_(2)CO_(3)-LiF was designed and investigated for concentrated solar power(CSP).The FactSage software was used to predict the composition and eutectic point of Na_(2)CO_(3)-Li_(2)CO_(3)-*** microstructure,thermophysical properties,and thermal stability of eutectic salts were experimentally measured using various analytical *** a mass ratio of 57%:32%:11%,the eutectic salt exhibited excellent thermal storage properties with a fusion enthalpy of 413 J/g and a melting point of 426.8℃.The excellent thermal stability of the eutectic salt was reflected by a weight loss of only 0.8% at 600℃.

关键词： phase change materials ternary eutectic salt latent heat thermal stability

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Antigen-induced chimeric antigen receptor multimerization amplifies on-tumor cytotoxicity

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Signal Transduction and Targeted Therapy 2024年第1期9卷 259-270页

作者： Yan Sun Xiu-Na Yang Shuang-Shuang Yang Yi-Zhu Lyu Bing Zhang Kai-Wen Liu Na Li Jia-Chen Cui Guang-Xiang Huang Cheng-Lin Liu Jie Xu Jian-Qing Mi Zhu Chen Xiao-Hu Fan Sai-Juan Chen Shuo Chen Shanghai Institute of Hematology National Research Center for Translational MedicineState Key Laboratory of Medical GenomicsRuijin Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghai 200025China Shanghai Institute for Advanced Immunochemical Studies and School of Life Science and Technology ShanghaiTech UniversityShanghai 201210China Department of Hematology Second Hospital of Dalian Medical UniversityDalian 116023China national Facility for Protein Science Shanghai Shanghai Advanced Research InstituteChinese Academy of SciencesShanghai 201210China Legend Biotech china Nanjing 211112China Shanghai Immune Therapy Institute Shanghai Cancer InstituteState Key Laboratory of Oncogenes and Related GenesRenji Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghai 200127China Wondercel Biotechnology Shenzhen 518052China

Ligand-induced receptor dimerization or oligomerization is a widespread mechanism for ensuring communication specificity,safeguarding receptor activation,and facilitating amplification of signal transduction across the cellular ***,cell-surface antigeninduced multimerization(dubbed AIM herein)has not yet been consciously leveraged in chimeric antigen receptor(CAR)engineering for enriching T cell-based *** co-developed ciltacabtagene autoleucel(cilta-cel),whose CAR incorporates two B-cell maturation antigen(BCMA)-targeted nanobodies in tandem,for treating multiple *** we elucidated a structural and functional model in which BCMA-induced cilta-cel CAR multimerization amplifies myeloma-targeted T cell-mediated *** analysis of BCMA–nanobody complexes revealed atomic details of antigen–antibody hetero-multimerization whilst analytical ultracentrifugation and small-angle X-ray scattering characterized interdependent BCMA apposition and CAR juxtaposition in ***-induced nanobody CAR multimerization enhanced cytotoxicity,alongside elevated immune synapse formation and cytotoxicity-mediating cytokine release,towards myeloma-derived *** results provide a framework for contemplating the AIM approach in designing next-generation CARs.

关键词： cytotoxicity Antigen elevated

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Cryo-EM structure of cannabinoid receptor CB1-β-arrestincomplex

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Protein & Cell 2024年第3期15卷 230-234页

作者： Yuxia Wang Lijie Wu Tian Wang Junlin Liu Fei Li Longquan Jiang Zhongbo Fan Yanan Yu Na Chen Qianqian Sun Qiwen Tan Tian Hua Zhi-Jie Liu iHuman Institute ShanghaiTech UniversityShanghai 201210China School of Life Science and Technology ShanghaiTech UniversityShanghai 201210China Institute of Molecular and Clinical medicine Kunming Medical UniversityKunming 650500China

Dear Editor,G protein-coupled receptors(GPCRs)play a vital role in regulating almost every aspect of human physiology,making up more than one-third of marketed drug targets(Santos et al.,2017).GPCRs orchestrate their signalling through interactions with three distinct downstream protein families:G proteins,G protein-coupled receptor kinases(GRKs),and arrestins(Santos et al.,2017).While G protein-mediated signalling is initiated upon GPCR stimulation,activated GPCRs return to their basal levels through a GRK-and arrestin-regulated desensitization process(Santos et al.,2017).In addition to modulating receptor desensitization,β-arrestin also regulates downstream events that are distinct from classical G protein signalling(Ahn et al.,2020).

关键词： stimulation return

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