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5-Aminolevulinic acid against strawberry Fusarium wilt:Bidirectional regulation of biocontrol agents and pathogens

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Horticultural Plant Journal 2024年第6期10卷 1349-1361页

作者： Hao Yang Jianting zhang haiwen zhang Rongxiang Cao Donglan Tang Liangju Wang College of Horticulture Nanjing Agricultural UniversityNanjingJiangsu 21095China Institute of Nanjing Agricultural Sciences Jiangsu Academy of Agricultural SciencesNanjingJiangsu 210046China

Strawberry Fusarium wilt (SFW) is a systematic soil-borne disease caused by Fusarium oxysporum *** (Fof),which infects the vascular bundles,blocking water and nutrient transport from roots to the *** is a severe pathogen which spreads rapidly and destroys strawberry *** a way to control this disease is of great scientific value and practical *** this study,three fungi were isolated from the vascular tissues of sick strawberries in the *** DNA sequencing,they were identified as Fof,Aspergillus fumigatus and Trichoderma harzianum,respectively,among which the first two are pathogens and the third is a *** fungi were controlled by thiophanate-methyl (TM),a commercial *** PDA medium,20 mg·L^(-1)5-aminolevulinic acid (ALA),a natural non-protein amino acid,promoted *** proliferation,but inhibited Fof and *** confrontation test,the growth of Fof or *** was inhibited by *** and exogenous ALA promoted *** growth but significantly inhibited the pathogen *** three species of fungi were separately or combinedly inoculated on healthy strawberry plants,*** promoted plant growth and development while Fof or *** caused growth retardation,where Fof directly caused leaf yellowing and plant *** the plants inoculated with different fungus were treated with ALA,the results turned out that ALA alleviated SFW symptoms by bidirectionally promoting *** proliferation and inhibiting Fof and ***,ALA might be used in comprehensively controlling SFW in strawberry industry.

关键词： 5-Aminolevulinic acid Antagonistic effect Disease control Fusarium oxysporum f.sp.fragaria(Fof) Strawberry Fusarium wilt(SFW) Trichoderma harzianum

Trends in the global commercialization of genetically modified crops in 2023

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Journal of Integrative Agriculture 2024年第12期23卷 3943-3952页

作者： Xingru Cheng Haohui Li Qiaoling Tang haiwen zhang Tao Liu Youhua Wang Institute of Agricultural Resources and Regional Planning Chinese Academy of Agricultural SciencesBeijing 100081China Biotechnology Research Institute Chinese Academy of Agricultural SciencesBeijing 100081China Chinese Academy of Agricultural Sciences Beijing 100081China

The commercialization of genetically modified(GM)crops has increased food production,improved crop quality,reduced pesticide use,promoted changes in agricultural production methods,and become an important new production strategy for dealing with insect pests and weeds while reducing the cultivated land *** article provides a comprehensive examination of the global distribution of GM crops in *** discusses the internal factors that are driving their adoption,such as the increasing number of GM crops and the growing variety of *** article also provides information support and application guidance for the new developments in global agricultural science and technology.

关键词： genetically modified crops commercialization global agricultural

Arabidopsis PRK6 interacts specifically with AtRopGEF8/12 and induces depolarized growth of pollen tubes when overexpressed

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Science China(Life Sciences) 2018年第1期61卷 100-112页

作者： Yuexuan Yu Jiali Song Xiaohui Tian haiwen zhang Legong Li Huifen Zhu College of Life Sciences Capital Normal University

The pollen receptor kinases (PRK) are critical regulators of pollen tube growth. The Arabidopsis genome encodes eight PRK genes, of which six are highly expressed in pollen tubes. The potential functions of AtPRK1 through AtPRK5, but not of AtPRK6,in pollen growth were analyzed in tobacco. Herein, AtPRK6 was cloned, and its function was identified. AtPRK6 was expressed specifically in pollen tubes. A yeast two-hybrid screen of AtPRK6 against 14 Arabidopsis Rop guanine nucleotide exchange factors (RopGEFs) showed that AtPRK6 interacted with AtRopGEF8 and AtRopGEF12. These interactions were confirmed in Arabidopsis mesophyll protoplasts. The interactions between AtPRK6 and AtRopGEF8/12 were mediated by the C-termini of AtRopGEF8/12 and by the juxtamembrane and kinase domain of AtPRK6, but were not dependent on the kinase activity. In addition, transient overexpression of AtPRK6::GFP in Arabidopsis protoplasts revealed that AtPRK6 was localized to the plasma membrane. Tobacco pollen tubes overexpressing AtPRK6 exhibited shorter tubes with enlarged tips. This depolarized tube growth required the kinase domain of AtPRK6 and was not dependent on kinase activity. Taken together, the results show that AtPRK6,through its juxtamembrane and kinase domains (KD), interacts with AtRopGEF8/12 and plays crucial roles in polarized growth of pollen tubes.

关键词： pollen receptor kinase pollen tube polarized growth RopGEF Arabidopsis

BEAR1, a bHLH transcription factor, controls seedling growth by regulating gibberellins biosynthesis in rice

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The Crop Journal 2023年第3期11卷 744-755页

作者： Yantong Teng Maohong Cai Qinyu Xie Qinglong Liu haiwen zhang Tao Chen Zhejiang Provincial Key Laboratory for Genetic Improvement and Quality Control of Medicinal Plants College of Life and Environmental ScienceHangzhou Normal UniversityHangzhou 311121ZhejiangChina College of Life Sciences Inner Mongolia UniversityHohhot 010021Inner MongoliaChina Institute of Crop and Nuclear Technology Utilization Zhejiang Academy of Agricultural SciencesHangzhou 310021ZhejiangChina Biotechnology Research Institute Chinese Academy of Agricultural SciencesBeijing 100081China

The genetic pathways of rice seedling growth have a major impact on seedling emergence from soil and *** this study,we identified a new bHLH transcription factor,BEAR1,from rice RNAi mutant *** the BEAR1-RNAi and bear1 CRISPR mutants had accelerated seedling *** section of leaves showed accelerated development of lacuna and vascular bundles in bear1 *** staining revealed that BEAR1 was highly expressed in coleoptiles and leaves at seedling *** analysis of gibberellin(GA)biosynthesis and metabolic genes and content determination of active GAs indicated that the expression of GA biosynthesis genes,especially OsKS4 and OsCPS2,were upregulated and the GAs content were significantly increased in bear1,which correlated with the seedling phenotype of bear1 *** and biochemical assays revealed that BEAR1 directly binds to the promoter of OsKS4,thereby repressing its *** analysis showed clear differentiation in indica and japonica rice varieties,and a strong correlation with seedling *** findings provide novel insights into the regulation of seedling growth in rice.

关键词： Rice BEAR1 Seedling growth Gibberellins OsKS4

Effects of casein glycomacropeptide supplementation on growth performance,intestinal morphology, intestinal barrier permeability and inflammatory responses in Escherichia coli K88 challenged piglets

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Animal Nutrition 2015年第2期1卷 54-59页

作者： Yili Rong Zeqing Lu haiwen zhang Lin zhang Deguang Song Yizhen Wang Key Laboratory of Animal Nutrition and Feed Science Ministry of Agriculture Zhejiang Provincial Laboratory of Feed and Animal Nutrition Institute of Feed Science Zhejiang University

Casein glycomacropeptide(CGMP) is a bioactive peptide derived from milk with multiple functions. This study was aimed at evaluating the effects of CGMP as a potential feed additive on growth performance,intestinal morphology, intestinal barrier permeability and inflammatory responses of Escherichia coli K88(E. coli K88) challenged piglets. Eighteen weaning piglets were randomly assigned to three *** group and K88 challenged group received a basal diet, and CGMP treated group received the basal diet supplemented with 1% of CGMP powder. The trail lasted for 12 days, K88 was orally administered to the piglets of K88 challenged group and CGMP treated group on days 8-10. The results showed that the diet containing 1% CGMP significantly alleviated the decrease in average daily gain(P 0.05) and barrier permeability damage(P < 0.05), and acute inflammatory response(P < 0.05)induced by E. coli K88 infection. In conclusion, CGMP supplementation in the diet protected the weaning piglets against E. coli K88 infection.

关键词： Casein glycomacropeptide Weaning piglets Escherichia coli K88 Growth performance

Indisputable Sovereignty

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Beijing Review 2011年第23期54卷 10-11页

作者： zhang haiwen The author is a senior researcher and deputy director general with the China Institute for Marine Affairs of the State Oceanic Administration

Opposition to China’s ocean claim is poorly supported In recent years,there han been heated debate on China’sclaims in the South China Sea in international *** massive support for these claims,

关键词： over maps line

Explorers of the Deep

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The chloroplast-localized protein LTA1 regulates tiller angle and yield of rice

北京周报·英文版 2012年第2期55卷 14-15页

作者： zhang haiwen zhang Dan Deputy head China Institute for Marine Affairs Assistant research fellow China Institute for Marine Affairs

The article reports on developments in international seabed resource research programs. It cites a contract signed by the International Seabed Authority (ISA) filed with the China Ocean Mineral Resources Research and Development Association (COMRA) in November 2011 for the exploration of polymetallic sulphides. It claims that the exploration is in accordance with the 1982 United Nations (UN) Convention on the Law of the Sea (UNCLOS).

关键词： OCEAN bottom MARINE resources SULFIDES

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The Crop Journal 2022年第4期10卷 952-961页

作者： Xiaowu Pan Yongchao Li haiwen zhang Wenqiang Liu Zheng Dong Licheng Liu Sanxiong Liu Xinnian Sheng Jun Min Rongfeng Huang Xiaoxiang Li Rice Research Institute Hunan Academy of Agricultural SciencesChangsha 410125HunanChina Biotechnology Research Institute Chinese Academy of Agricultural SciencesBeijing 100081China

Plant architecture strongly influences rice grain *** report the cloning and characterization of the LTA1 gene,which simultaneously controls tiller angle and yield of ***1 encodes a chloroplastlocalized protein with a conserved YbaB DNA-binding domain,and is highly expressed in photosynthetic tissues including leaves and leaf *** the function of LTA1 leads to large tiller angle and yield reduction of ***1 affects the gravity response by mediating the distribution of endogenous auxin,thereby regulating the tiller *** lta1 mutant showed abnormal chloroplast development and decreased chlorophyll content and photosynthetic rate,in turn leading to reduction of rice *** findings shed light on the genetic basis of tiller angle and provide a potential gene resource for the improvement of plant architecture and rice yield.

关键词： Rice Yield Tiller angle Gravitropism Chloroplast development

A DTX/MATE-Type Transporter Facilitates Abscisic Acid Efflux and Modulates ABA Sensitivity and Drought Tolerance in Arabidopsis

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Molecular Plant 2014年第10期7卷 1522-1532页

作者： haiwen zhang Huifen Zhu Yajun Pan Yuexuan Yu Sheng Luan Legong Li College of Life Sciences Capital Normal University Beijing 100048 China Department of Plant and Microbial Biology University of California Berkeley CA 94720 USA Institute of Plant Molecular Biology School of Life Sciences Nanjing University Nanjing 210093 China

Abscisic acid （ABA） regulates numerous physiological and developmental processes in plants. Recent studies identify intracellular ABA receptors, implicating the transport of ABA across cell membranes as crucial for ABA sensing and response. Here, we report that a DTX/Multidrug and Toxic Compound Extrusion （MATE） family member in Arabidopsis thaliana, AtDTX50, functions as an ABA efflux transporter. When expressed heterologously in both an Escherichia coli strain and Xenopus oocyte cells, AtDTX50 was found to facilitate ABA efflux. Furthermore, dtx50 mutant mesophyll cells preloaded with ABA released less ABA compared with the wild-type （WT）. The AtDTX50 gene was expressed mainly in the vascular tissues and guard ceils and its expression was strongly up-regulated by exogenous ABA. The AtDTX50：：GFP fusion protein was localized predominantly to the plasma membrane. The dtx50 mutant plants were observed to be more sensitive to ABA in growth inhibition. In addition, compared with the WT, dtx50 mutant plants were more tolerant to drought with lower stomatal conductance, consistent with its function as an ABA efflux carrier in guard cells.

关键词： hormone biology molecular transport Arabidopsis.