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Root-sourced H_(2)O_(2)is essential for maintaining jasmonic acid and Na^(+)/K^(+)homeostasis to delay leaf senescence during salt stress in Paspalum vaginatum

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Horticultural Plant Journal 2025年第3期11卷 1364-1376页

作者： Ling Pan Tingchen Xu Jing Wang Junming Zhao Quanquan Sun Xu Hu Xu Tao Jinlin Zhang Li Liao Zhiyong Wang Key Laboratory of Genetics and Germplasm Innovation of Tropical Special Forest Trees and Ornamental Plants School of Breeding and Multiplication(Sanya Institute of Breeding and Multiplication)Hainan UniversitySanyaHainan 572000China College of Animal Science and Technology Yangzhou UniversityYangzhouJiangsu 225009China College of Tropical Agriculture and Forestry Hainan UniversityHaikouHainan 570228China College of Grassland Science and Technology Sichuan Agricultural UniversityChengduSichuan 611130China State Key Laboratory of Herbage Improvement and Grassland Agroecosystems Key Laboratory of Grassland Livestock Industry InnovationMinistry of Agriculture and Rural AffairsEngineering Research Center of Grassland IndustryMinistry of EducationCenter for Grassland MicrobiomeCollege of Pastoral Agriculture Science and TechnologyLanzhou UniversityLanzhouGansu 730000China

Improving salt tolerance and mitigating senescence in the presence of high salinity are crucial for sustaining agricultural *** research has demonstrated that hydrogen peroxide(H_(2)O_(2)),specifically H_(2)O_(2)derived from roots and mediated by the respiratory burst oxidase homolog(NADPH),plays a significant role in regulating ion and plant hormone homeostasis in glycophytic plants,such as ***,the extent to which root-derived H_(2)O_(2)fulfils similar functions in halophytic plants remains ***,our study aimed to explore the potential contribution of root-sourced H_(2)O_(2)in delaying leaf senescence induced by high salinity,utilizing seashore paspalum as a model halophytic *** application of the NADPH-oxidase inhibitor DPI,coupled with a series of leaf senescence analyses,we revealed that root-derived H_(2)O_(2)significantly retards salt-induced leaf ***,through the application of hormone analysis,lipidomics,ionomics,Non-invasive Micro-test technology(NMT),and transcriptomics,we established that NADPH-dependent H_(2)O_(2)induced by salt stress in the roots was indispensable for maintaining the balance of the aging hormone,jasmonic acid(JA),and sodium ion homeostasis within this halophytic ***,by utilizing AtrbohD Arabidopsis mutants and virus-induced gene silencing(VIGs)in Paspalum vaginatum,we demonstrated the pivotal role played by root-sourced H_(2)O_(2)in upholding JA homeostasis and regulating JA-triggered leaf senescence in *** study offers novel insights into the mechanisms that govern plant leaf senescence and its response to salinity-induced stress.

关键词： Paspalum vaginatum Salt stress Leaf senescence Root-sourced H_(2)O_(2) Ion homeostasis Jasmonic acid homeostasis SAGs

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Telomere-to-telomere genome assembly of bitter melon(Momordica charantia *** Ser.)reveals fruit development,composition and ripening genetic characteristics

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园艺研究（英文） 2023年第1期10卷 321-336页

作者： Anzhen Fu Yanyan Zheng Jing Guo Donald Grierson Xiaoyan Zhao Changlong Wen Ye Liu Jian Li Xuewen Zhang Ying Yu Hong Ma Qing Wang Jinhua Zuo Institute of Agri-food Processing and Nutrition Beijing Academy of Agricultural and Forestry SciencesBeijing Key Laboratory of Fruits and Vegetable Storage and ProcessingKey Laboratory of Vegetable Postharvest Processing of Ministry of Agriculture and Rural AreasBeijing 100097China Beijing Engineering and Technology Research Center of Food Additives Beijing Advanced Innovation Center for Food Nutrition and Human HealthSchool of Food and HealthBeijing Technology and Business University(BTBU)Beijing100048China Institute of Agri-food Processing and Nutrition Beijing Academy of Agricultural and Forestry SciencesBeijing Key Laboratory of Fruits and Vegetable Storage and ProcessingKey Laboratory of Vegetable Postharvest Processing of Ministry of Agriculture and Rural AreasBeijing 100097China Ministry of Education Key Laboratory of Biodiversity Sciences and Ecological Engineering and State Key Laboratory of Genetic Engineering Institute of Biodiversity Sciences and Institute of Plant BiologySchool of Life SciencesFudan University2005 Songhu RoadShanghai 200438China School of Biosciences University of NottinghamSutton Bonington CampusLoughboroughLeicestershireLE12 5RDUnited Kingdom Beijing Vegetable Research Center(BVRC) Beijing Academy of Agricultural and Forestry SciencesNational Engineering Research Center for VegetablesBeijing Key Laboratory of Vegetable Germplasms ImprovementBeijing 100097China Beijing Engineering and Technology Research Center of Food Additives Beijing Advanced Innovation Center for Food Nutrition and Human HealthSchool of Food and HealthBeijing Technology and Business University(BTBU)Beijing100048China Biomarker Technologies Corporation Beijing 101300China Department of Biology the Huck Institutes of Life Sciencesthe Pennsylvania State UniversityUniversity ParkPA 16802USA

Momordica charantia *** Ser.(Mca),known as bitter gourd or bitter melon,is a Momordica variety with medicinal value and belongs to the Cucurbitaceae *** view of the lack of genomic information on bitter gourd and other Momordica species and to promote Mca genomic research,we assembled a 295.6-Mb telomere-to-telomere(T2T)high-quality Mca genome with six gap-free chromosomes after Hi-C *** genome is anchored to 11 chromosomes,which is consistent with the karyotype information,and comprises 98 contigs(N50 of 25.4 Mb)and 95 scaffolds(N50 of 25.4 Mb).The Mca genome harbors 19895 protein-coding genes,of which 45.59％constitute predicted repeat *** analysis revealed variations involved in fruit quality during the divergence of bitter *** addition,assay for transposase-accessible chromatin by high-throughput sequencing and metabolic analysis showed that momordicosides and other substances are characteristic of Mca fruit pulp.A combined transcriptomic and metabolomic analysis revealed the mechanisms of pigment accumulation and cucurbitacin biosynthesis in Mca fruit peels,providing fundamental molecular information for further research on Mca fruit *** report provides a new genetic resource for Momordica genomic studies and contributes additional insights into Cucurbitaceae phylogeny.

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LettuceGDB:The community database for lettuce genetics and omics

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Plant Communications 2023年第1期4卷 87-99页

作者： Zhonglong Guo Bo Li Jianjun Du Fei Shen Yongxin Zhao Yang Deng Zheng Kuang Yihan Tao Miaomiao Wan Xianju Lu Dong Wang Ying Wang Yingyan Han Jianhua Wei Lei Li Xinyu Guo Chunjiang Zhao Xiaozeng Yang Beijing Academy of Agriculture and Forestry Sciences Beijing 100097P.R.China State Key Laboratory of Protein and Plant Gene Research Peking-Tsinghua Center for Life SciencesSchool of Life Sciences and School of Advanced Agricultural SciencesPeking UniversityBeijing 100871P.R.China Beijing Key Laboratory of Agricultural Genetic Resources and Biotechnology Beijing Agro-biotechnology Research CenterBeijing 100097P.R.China College of Biology and the Environment Nanjing Forestry UniversityNanjing 510275P.R.China Beijing Key Lab of Digital Plant Beijing Research Center for Information Technology in AgricultureBeijing 100097P.R.China WeiRan Biotech Beijing 100085P.R.China Beijing Key Laboratory of New Technology in Agricultural Application Beijing University of AgricultureBeijing 102206P.R.China

As a globally popular leafy vegetable and a representative plant of the Asteraceae family,lettuce has great economic and academic *** the last decade,high-throughput sequencing,phenotyping,and other multi-omics data in lettuce have accumulated on a large scale,thus increasing the demand for an integrative lettuce ***,we report the establishment of a comprehensive lettuce database,LettuceGDB(https://***/).As an omics data hub,the current LettuceGDB includes two reference genomes with detailed annotations;re-sequencing data from over 1000 lettuce varieties;a collection of more than 1300 worldwide germplasms and millions of accompanying phenotypic records obtained with manual and cutting-edge phenomics technologies;re-analyses of 256 RNA sequencing datasets;a complete miRNAome;extensive metabolite information for representative varieties and wild relatives;epigenetic data on the genome-wide chromatin accessibility landscape;and various lettuce research papers published in the last *** hierarchically accessible functions(Genome,Genotype,Germplasm,Phenotype,and O-Omics)have been developed with a user-friendly interface to enable convenient data *** built-in tools(Assembly Converter,Search gene,BLAST,JBrowse,Primer Design,gene Annotation,Tissue Expression,Literature,and Data)are available for data downloading and browsing,functional gene exploration,and experimental practice.A community forum is also available for information sharing,and a summary of current research progress on different aspects of lettuce is *** believe that LettuceGDB can be a comprehensive functional database amenable to data mining and database-driven exploration,useful for both scientific research and lettuce breeding.

关键词： lettuce genome multi-omics germplasms breeding community

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Telomere-to-telomere carrot (Daucus carota) genome assembly reveals carotenoid characteristics

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Horticulture research 2023年第7期10卷 112-124页

作者： Ya-Hui Wang Pei-Zhuo Liu Hui Liu Rong-Rong Zhang Yi Liang Zhi-Sheng Xu Xiao-Jie Li Qing Luo Guo-Fei Tan Guang-Long Wang Ai-Sheng Xiong State Key Laboratory of Crop Genetics&Germplasm Enhancement and Utilization Ministry of Agriculture and Rural Affairs Key Laboratory of Biology and Germplasm Enhancement of Horticultural Crops in East ChinaCollege of HorticultureNanjing Agricultural UniversityNanjingJiangsu 210095China Institute of Horticulture Guizhou Academy of Agricultural SciencesGuiyangGuizhou 550025China School of Life Science and Food Engineering Huaiyin Institute of TechnologyHuaianJiangsu 223003China Beijing Vegetable Research Center Beijing Academy of Agriculture and Forestry SciencesKey Laboratory of Biology and Genetic Improvement of Horticultural Crops in North ChinaBeijing 100097China

Carrot(Daucus carota)is an Apiaceae plant with multi-colored fleshy roots that provides a model system for carotenoid *** this study,we assembled a 430.40 Mb high-quality gapless genome to the telomere-to-telomere(T2T)level of“Kurodagosun”*** total,36268 genes were identified and 34961 of them were functionally *** proportion of repeat sequences in the genome was 55.3%,mainly long terminal *** on the coverage of the repeats,14 telomeres and 9 centromeric regions on the chromosomes were predicted.A phylogenetic analysis showed that carrots evolved early in the family *** on the T2T genome,we reconstructed the carotenoid metabolic pathway and identified the structural genes that regulate carotenoid *** the 65 genes that were screened,9 were newly ***,some gene sequences overlapped with transposons,suggesting replication and functional differentiation of carotenoid-related genes during carrot *** that some gene copies were barely expressed during development,they might be functionally *** of 24 cytochrome P450 genes associated with carotenoid biosynthesis revealed the tandem or proximal duplication resulting in expansion of CYP gene *** results provided molecular information for carrot carotenoid accumulation and contributed to a new genetic resource.

关键词： carrot sequences characteristics

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A novel Trmt5-deficient zebrafish model with spontaneous inflammatory bowel disease-like phenotype

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Signal Transduction and Targeted Therapy 2023年第3期8卷 928-931页

作者： Qiong Zhao Hui Chang Jing Zheng Ping Li Lidan Ye Ruolang Pan Di Li Jian-Zhong Shao Robert Chunhua Zhao Ye Chen Department of Genetics and Department of Genetic and Metabolic DiseaseThe Children’s HospitalZhejiang University School of MedicineNational Clinical Research Center for Child HealthHangzhou 310052China Institute of Basic Medical Sciences Chinese Academy of Medical SciencesSchool of Basic MedicinePeking Union Medical CollegeBeijing 100005China College of Life Sciences Key Laboratory for Cell and Gene Engineering of Zhejiang ProvinceZhejiang UniversityHangzhou 310052China Zhejiang Provincial Key Laboratory of Genetic and Developmental Disorders Institute of GeneticsZhejiang UniversityHangzhou 310052China Key Laboratory for Food Microbial Technology of Zhejiang Province Zhejiang Gongshang UniversityHangzhouChina Institute of Bioengineering College of Chemical and Biological EngineeringZhejiang UniversityHangzhou 310027China Zhejiang Provincial Key Laboratory of Cell‐Based Drug and Applied Technology Development Institute for Cell‐Based Drug Development of Zhejiang ProvinceHangzhouChina

Dear Editor,Inflammatory bowel disease(IBD),a complex syndrome characterized by chronic inflammation of the gastrointestinal tract,is considered a global health problem,especially prevalent in western developed countries and with accelerating incidence in the developing world over the last decade.1 To date,the primary etiology of IBD remains elusive.

关键词： inflammation bowel gastrointestinal

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Response Distortion Correction of ICMOS Camera Using Improved Support Vector Regression 1

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Proceedings of the 23rd International Conference on Man-Machine-Environment System engineering, MMESE 2023

作者： Liu, Haoting Ge, Jianyue Yang, Shaohua Li, Gang Liu, Lu State Key Laboratory of Intense Pulsed Radiation Simulation and Effect Xi’an China Beijing Engineering Research Center of Industrial Spectrum Imaging School of Automation and Electrical Engineering University of Science and Technology Beijing Beijing100083 China

ISBN: (数字)9789819948826

ISBN: (纸本)9789819948819

A response distortion correction method of Intensified Complementary Metal Oxide Semiconductor (ICMOS) camera is proposed. First, the Fixed Pattern Noise (FPN) is removed from the original input image captured by the ICMOS camera. Second, the response correction using the traditional method, i.e., the polynomial fitting technique, is considered to eliminate the error to some extent. Third, a response correction using the machine learning-based method is proposed to decrease the error further. A kind of Improve Adaptive genetic Algorithm-Support Vector Regression (IAGA-SVR) is designed to improve the computation effect of SVR. The inputs of IAGA-SVR include the manufacturing and response parameters of ICMOS camera;the output of it is the error compensation item. Extensive experiment results have shown that our proposed method can improve the response correction accuracy than the traditional and other improved optimal algorithm-based methods. © 2023, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

关键词： genetic algorithms

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Enabling technology and core theory of synthetic biology

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Science China(Life Sciences) 2023年第8期66卷 1742-1785页

作者： Xian-En Zhang Chenli Liu Junbiao Dai Yingjin Yuan Caixia Gao Yan Feng Bian Wu Ping Wei Chun You Xiaowo Wang Tong Si Faculty of Synthetic Biology Shenzhen Institute of Advanced TechnologyShenzhen 518055China Institute of Synthetic Biology Shenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen 518055China National Laboratory of Biomacromolecules Institute of BiophysicsChinese Academy of SciencesBeijing 100101China Frontiers Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering(Ministry of Education) School of Chemical Engineering and TechnologyTianjin UniversityTianjin 300072China State Key Laboratory of Plant Cell and Chromosome Engineering Institute of Genetics and Developmental BiologyChinese Academy of SciencesBeijing 100101China State Key Laboratory of Microbial Metabolism Shanghai Jiao Tong UniversityShanghai 200240China State Key Laboratory of Microbial Resources Institute of MicrobiologyChinese Academy of SciencesBeijing 100101China Tianjin Institute of Industrial Biotechnology Chinese Academy of SciencesTianjin 300308China Ministry of Education Key Laboratory of Bioinformatics Center for Synthetic and Systems BiologyBioinformatics DivisionBeijing National Research Center for Information Science and TechnologyDepartment of AutomationTsinghua UniversityBeijing 100084China

Synthetic biology provides a new paradigm for life science research(“build to learn”)and opens the future journey of biotechnology(“build to use”).Here,we discuss advances of various principles and technologies in the mainstream of the enabling technology of synthetic biology,including synthesis and assembly of a genome,DNA storage,gene editing,molecular evolution and de novo design of function proteins,cell and gene circuit engineering,cell-free synthetic biology,artificial intelligence(AI)-aided synthetic biology,as well as *** also introduce the concept of quantitative synthetic biology,which is guiding synthetic biology towards increased accuracy and predictability or the real rational *** conclude that synthetic biology will establish its disciplinary system with the iterative development of enabling technologies and the maturity of the core theory.

关键词： synthetic biology quantitative synthetic biology genome synthesis and assembly DNA storage molecular evolution de novo design computer-aided design cell engineering gene circuit chassis cell artificial intelligent(AI) biofoundry

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The light and hypoxia induced gene ZmPORB1 determines tocopherol content in the maize kernel

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Science China(Life Sciences) 2024年第3期67卷 435-448页

作者： Nannan Liu Yuanhao Du Shijuan Yan Wei Chen Min Deng Shutu Xu Hong Wang Wei Zhan Wenjie Huang Yan Yin Xiaohong Yang Qiao Zhao Alisdair R.Fernie Jianbing Yan National Key Laboratory of Crop Genetic Improvement Huazhong Agricultural UniversityWuhan 430070China Hubei Hongshan Laboratory Wuhan 430070China Agro-biological Gene Research Center Guangdong Academy of Agricultural SciencesGuangzhou 510640China College of Agronomy Hunan Agricultural UniversityChangsha 410128China College of Agronomy Northwest A&F UniversityXi'an 710000China State Key Laboratory of North China Crop Improvement and Regulation Hebei Sub-center of National Maize Improvement Center of ChinaCollege of AgronomyHebei Agricultural UniversityBaoding 071001China College of Life Sciences South-Central Minzu UniversityWuhan 430070China Plant Science Facility of the Institute of Botany Chinese Academy of SciencesBeijing 100093China National Maize Improvement Center of China Beijing Key Laboratory of Crop Genetic ImprovementChina Agricultural UniversityBeijing 100093China Shenzhen Key Laboratory of Synthetic Genomics Guangdong Provincial Key Laboratory of Synthetic GenomicsShenzhen Institute of Synthetic BiologyShenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen 518055China Max Planck Institute of Molecular Plant Physiology Potsdam-Golm 14476Germany

Tocopherol is an important lipid-soluble antioxidant beneficial for both human health and plant growth. Here, we fine mapped a major QTLqVE1 affecting γ-tocopherol content in maize kernel, positionally cloned and confirmed the underlying gene ZmPORB1(por1), as a protochlorophyllide oxidoreductase. A 13.7 kb insertion reduced the tocopherol and chlorophyll content, and the photosynthetic activity by repressing ZmPORB1 expression in embryos of NIL-K22, but did not affect the levels of the tocopherol precursors HGA(homogentisic acid)and PMP(phytyl monophosphate). Furthermore, ZmPORB1 is inducible by low oxygen and light, thereby involved in the hypoxia response in developing embryos. Concurrent with natural hypoxia in embryos, the redox state has been changed with NO increasing and H_(2)O_(2) decreasing, which lowered γ-tocopherol content via scavenging reactive nitrogen species. In conclusion, we proposed that the lower lightharvesting chlorophyll content weakened embryo photosynthesis, leading to fewer oxygen supplies and consequently diverse hypoxic responses including an elevated γ-tocopherol consumption. Our findings shed light on the mechanism for fine-tuning endogenous oxygen concentration in the maize embryo through a novel feedback pathway involving the light and low oxygen regulation of ZmPORB1 expression and chlorophyll content.

关键词： maize tocopherol hypoxia photosynthesis ZmPORB1

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Unveiling the Role of Acetate in Probiotic-Mediated Promotion of Intestinal Serotonin Production Using Intestinal Organoids

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Food Science and Human Wellness 2024年

作者： Peijun Tian Zheng Wang Xin Qian Jianxin Zhao Gang Wang Wei Chen State Key Laboratory of Food Science and Resources， Jiangnan University School of Food Science and Technology， Jiangnan University National Engineering Research Center for Functional Food， Jiangnan University (Yangzhou) Institute of Food Biotechnology， Jiangnan University

The neurotransmitter 5-hydroxytryptamine （5-HT）， primarily produced by intestinal enterochromaffin cells （EC）， relies on Tryptophan hydroxylase （TPH1） for synthesis. research suggested Bifidobacterium breve CCFM1025's potential in regulating Tph1 gene expression， maintaining 5-HT levels in stressed mice， but its precise mechanisms were unclear. This study used metabolomic techniques to assess probiotic fermentation products， revealing acetate as the crucial element in Bb-CCFM1025's regulation of gut 5-HT synthesis. Further exploration correlated acetate with Tph1 transcription in intestinal organoids. Transcriptomic methods and qRT-PCR validation demonstrated how acetate facilitated 5-HT synthesis and secretion. It unveiled that acetate orchestrates signaling pathways (PI3K-AKT， PLC-pERK， and PLC-IP3-Ca2+) within EC cells， enabling 5-HT production. These findings elucidate the biochemical mechanisms behind specific probiotics' effects， aiding in the targeted selection of similar beneficial strains. This study offers theoretical support for choosing probiotics with analogous functionalities based on their physiological impacts.

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A polyphenol-modified chitosan hybrid hydrogel with enhanced antimicrobial and antioxidant activities for rapid healing of diabetic wounds

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Nano research 2023年第1期16卷 905-916页

作者： Zejun Xu Guiting Liu Li Zheng Jun Wu The State Key Laboratory of Polymer Materials Engineering Polymer Research Institute of Sichuan UniversityChengdu 610065China Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation Sun Yat-Sen Memorial HospitalSun Yat-sen UniversityGuangzhou 510120China Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration Life Science InstitutesGuangxi Medical UniversityNanning 530021China Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed by the Province and Ministry Guangxi Medical UniversityNanning 530021China Bioscience and Biomedical Engineering Thrust The Hong Kong University of Science and Technology(Guangzhou)Guangzhou 511400China Division of Life Science The Hong Kong University of Science and TechnologyHong Kong 999077China

High oxidative stress injury and bacterial infection are the main challenges that impair wound healing in diabetic ***,a hydrogel with enhanced antimicrobial and antioxidant properties was developed for rapid healing of diabetic *** this study,chitosan methacrylate-gallic acid(CSMA-GA)polymer with antioxidant activity,antimicrobial activity,and ultraviolet(UV)-triggered gelling properties was developed as a hydrogel ***,amphiphilic Pluronic F127 molecules were used to load hydrophobic chlorhexidine drug molecules to obtain F127/chlorhexidine nanoparticle(NP)with strong antibacterial ***,F127/chlorhexidine NPs were encapsulated in CSMA-GA hydrogel to further enhance its antibacterial *** hybrid hydrogel platform(CSMA-GA/F127/chlorhexidine(CMGFC))exhibited high antibacterial efficiency(>99.9%)and strong reactive oxygen species(ROS)scavenging ability(>80.0%),which effectively protected cells from external oxidative stress(upregulated superoxide dismutase(SOD)and glutathione/oxidized glutathione disulfide(GSH/GSSG)levels and downregulated malondialdehyde(MDA)levels).Moreover,in vivo results proved that the CMGFC hydrogel significantly reduced inflammatory responses(downregulated interleukin-6(IL-6)and upregulated interleukin-10(IL-10)levels),promoted angiogenesis(upregulated vascular endothelial growth factor(VEGF)and platelet endothelial cell adhesion molecule-1(CD 31)levels),and wound healing(enhanced collagen deposition and tissue remodelling).Overall,the CMGFC hydrogel with enhanced antimicrobial and antioxidant properties demonstrated significant potential to enhance diabetic wound healing.

关键词： antimicrobial antioxidant diabetic wound hydrogel

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