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Regulating zinc ion transport behavior and solvated structure towards stable aqueous Zn metal batteries

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Journal of Energy Chemistry 2024年第6期93卷 609-626,I0015页

作者： Qiang Ma Aoen Ma Shanguang Lv Bowen Qin Yali Xu Xianxiang Zeng Wei Ling Yuan Liu Xiongwei Wu College of Materials Engineering Henan International Joint Laboratory of Rare Earth Composite MaterialsHenan University of EngineeringZhengzhou 451191HenanChina Nanozyme Medical Center School of Basic Medical SciencesZhengzhou UniversityZhengzhou 450001HenanChina School of Chemistry and Materials Science Hunan Agricultural UniversityChangsha 410125HunanChina College of Electrical and Information Engineering Hunan UniversityChangsha 410082HunanChina hunan Province Yin Feng New Energy Co.Ltd. Changsha 410019HunanChina

Aqueous Zn metal batteries(AZMBs)with intrinsic safety,high energy density and low cost have been regarded as promising electrochemical energy storage ***,the parasitic reaction on metallic Zn anode and the incompatibility between electrode and electrolytes lead to the deterioration of electrochemical performance of AZMBs during the *** critical point to achieve the stable cycling of AZMBs is to properly regulate the zinc ion solvated structure and transfer behavior between metallic Zn anode and *** recent years,numerous achievements have been made to resolve the formation of Zn dendrite and interface incompatible issues faced by AZMBs via optimizing the sheath structure and transport capability of zinc ions at electrode-electrolyte *** this review,the challenges for metallic Zn anode and electrode-electrolyte interface in AZMBs including dendrite formation and interface characteristics are *** the influences of different strategies involving designing advanced electrode structu re,artificial solid electrolyte interphase(SEI)on Zn anode and electrolyte engineering to regulate zinc ion solvated sheath structure and transport behavior are summarized and ***,the perspectives for the future development of design strategies for dendrite-free Zn metal anode and long lifespan AZMBs are also given.

关键词： aqueous Zn metal batteries Zn metal anode Transport behavior Solvated structure Dendrite-free

Discrete element modeling and verification of the simulation parameters for chopped hybrid Broussonetia papyrifera stems

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International Journal of agricultural and Biological Engineering 2024年第1期17卷 23-32页

作者： Caiwang Peng Junwei Chen Xi He Songlin Sun Yulong Yin Zhong Chen College of Mechanical and Electrical Engineering Hunan Agricultural UniversityChangsha 410128China College of Animal Science and Technology Hunan Agricultural UniversityChangsha 410128China Rongcheng Gouyang Modern Agriculture(Chongqing)Co. LtdChongqing 500153China

In this study,the discrete element software EDEM was applied to establish a simulation model of non-uniform-sized particle units for Broussonetia papyrifera stalks,which aimed to address the low utilization rate of existing Broussonetia papyrifera harvesting machinery,the significant variation between the simulated model of Broussonetia papyrifera stalks and their actual appearance,as well as the absence of contact parameter *** a combination of the free-fall collision method,inclined plane sliding method,and inclined plane rolling method,numerical simulation was conducted to analyze the pattern of variations in contact parameters between Broussonetia papyrifera stalks and the steel material of the ***,these parameters were *** results showed that the coefficient of restitution between Broussonetia papyrifera stalks and steel materials was 0.321,the static friction factor was 0.589,and the rolling friction factor was *** the parameters of contact between Broussonetia papyrifera stalks as variables and the experimentally measured pile angle as the objective of optimization,the steepest ascent experiment and the three-factor five-level rotation combination experiment were *** this way,a second-order response model was constructed to analyze the relationship between the contact parameters and the pile *** the optimization analysis of experimental data,it was determined that the coefficient of restitution between Broussonetia papyrifera stalks was 0.21,the static friction factor was 0.24,and the rolling friction factor was ***,the calibration results were validated through experimentation to show that the relative error between the obtained pile angle under the context of optimal parameter combination and the actual one was 4.11%.In addition,the relative error of mass flow rate in spiral transport was within a reasonable range,this study lays a foundation both theoretically and statistic

关键词： hybrid Broussonetia papyrifera stem discrete element method repose angle contact parameters calibration

A bacterial protein Rhp-PSP inhibits plant viral proliferation through endoribonuclease activity

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Journal of Integrative Agriculture 2024年第6期23卷 1967-1978页

作者： Lijie Chen Qianze Peng Xiaohua Du Weixing Zhang Ju’e Cheng Shu’e Sun Deyong Zhang Pin Su Yong Liu Longping Branch College of BiologyHunan UniversityChangsha 410082China State Key Laboratory of Hybrid Rice/Institute of Plant Protection Hunan Academy of Agricultural SciencesChangsha 410125China

Plant virus causes massive crop losses ***,there is currently no effective measure to control plant viral ***,we identify an antiviral protein Rhp-PSP,produced by the bacterial Rhodopseudomonas palustris strain *** this study,we discover that the antiviral activity of Rhp-PSP relies on its endoribonuclease *** the arginine(R)residue at position 129 onto alanine(A)abolishs its endoribonuclease activity on coat protein(CP)RNA of tobacco mosaic virus(TMV),consequentially,compromises the antiviral activity of *** investigation demonstrates that,the mutant Rhp-PSP^(R129A)is unable to form the homotrimer as the wild type,indicating the importance of quaternary junction for the endoribonuclease *** of Rhp-PSP in Nicotiana benthamiana significantly enhances the resistance against TMV of seedlings,while expression of Rhp-PSP^(R129A)did not,confirming that endoribonuclease activity is responsible for the antiviral activity of *** addition,foliar spray of Rhp-PSP solution on tomato and pepper plants significantly reduces the disease index of viral diseases,indicating that Rhp-PSP shows potential to develop antiviral agent in practice.

关键词： Rhodopseudomonas palustris Rhp-PSP tobacco mosaic virus endoribonuclease antiviral activity

New insights into developmental biology of Eimeria tenella revealed by comparative analysis of mRNA N6-methyladenosine modification between unsporulated oocysts and sporulated oocysts

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Journal of Integrative Agriculture 2024年第1期23卷 239-250页

作者： Qing Liu Bingjin Mu Yijing Meng Linmei Yu Zirui Wang Tao Jia Wenbin Zheng Wenwei Gao Shichen Xie Xingquan Zhu Laboratory of Parasitic Diseases College of Veterinary MedicineShanxi Agricultural UniversityTaigu 030801China Research Center for Parasites&Vectors College of Veterinary MedicineHunan Agricultural UniversityChangsha 410128China

Evidence showed that N6-methyladenosine(m^(6)A)modification plays a pivotal role in influencing RNA fate and is strongly associated with cell growth and developmental processes in many ***,no information regarding m^(6)A modification in Eimeria tenella is currently *** the present study,we surveyed the transcriptome-wide prevalence of m^(6)A in sporulated oocysts and unsporulated oocysts of *** RNA immunoprecipitation sequencing(MeRIP-seq)analysis showed that m^(6)A modification was most abundant in the coding sequences,followed by stop *** were 3,903 hypermethylated and 3,178 hypomethylated mRNAs in sporulated oocysts compared with unsporulated *** joint analysis suggested that m^(6)A modification of the majority of genes was positively correlated with mRNA *** mRNA relative expression and m^(6)A level of the selected genes were confirmed by quantitative reverse transcription PCR(RT-qPCR)and *** and KEGG analysis indicated that differentially m^(6)A methylated genes(DMMGs)with significant differences in mRNA expression were closely related to processes such as regulation of gene expression,epigenetic,microtubule,autophagy-other and TOR ***,a total of 96 DMMGs without significant differences in mRNA expression showed significant differences at protein *** and pathway enrichment analysis of the 96 genes showed that RNA methylation may be involved in cell biosynthesis and metabolism of *** firstly present a map of RNA m^(6)A modification in ***,which provides significant insights into developmental biology of ***.

关键词： Eimeria tenella m^(6)A RNA methylation MeRIP-seq RNA-seq proteomic analysis

Leucine regulates lipid metabolism in adipose tissue through adipokine-mTOR-SIRT1 signaling pathway and bile acid—microbe axis in a finishing pig model

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Animal Nutrition 2024年第1期16卷 158-173页

作者： Yunju Yin Saiming Gong Mengmeng Han Jingzun Wang Hanjing Shi Xianji Jiang Liu Guo Yehui Duan Qiuping Guo Qinghua Chen Fengna Li Key Laboratory of Agro-ecological Processes in Subtropical Region Institute of Subtropical AgricultureChinese Academy of SciencesHunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic ProcessHunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production College of Animal Science and Technology Hunan Agricultural University College of Modern agricultural Sciences University of Chinese Academy of Sciences College of Life Science and Engineering Northwest Minzu University

This study was conducted to explore the regulatory mechanism of leucine (Leu) on lipid metabolism of finishing ***-four Duroc×Landrace×Large cross pigs with an average body weight of68.33±0.97 kg were randomly allocated into 3 treatment groups with 8 replicates per group (1 pig per replicate).The dietary treatments were as follows:control group (CON),0.25%Leu group and 0.50%Leu *** experimental period was 42 *** results showed as follows.(1) Compared with the CON,0.25%and 0.50%Leu increased (P<0.01) the average daily gain (ADG),while the average backfat thickness (ABT) and the ratio of feed intake to body weight gain (F:G ratio) were decreased (P<0.05).(2)In the 0.25%Leu group,the relative mRNA expression levels of sterol regulatory element binding protein-1c (SREBP1c),recombinant fatty acid transport protein 1 (FATP1),chemerin and peroxisome proliferatoractivated receptor γ (PPARγ) were decreased but the level of fatty acid binding protein 4 (FABP4) and fatty acid translocase (FAT/CD36) were increased in backfat *** the 0.25%Leu group,the protein levels of p-Rictor,p-Raptor,p-eIF4E-binding protein 1 (p-4EBP1),p-silent mating type information regulator 2homolog 1 (p-SIRT1) and acetylation ribosome s6 protein kinase 1 (Ac—S6K1) were increased (P<0.05).(3) Compared to the CON,the diversity of gut microbiota in the 0.25%Leu group was *** component analysis showed that the relative abundance of Bacteroidetes,Lactobacillus and Desulfovibrio was higher in the 0.25%Leu group than the CON,but the relative abundance of Firmicutes,Treponema and Shigella was lower than in the CON (P<0.05).(4) Four different metabolites were screened out from the serum of finishing pigs including allolithocholic acid (alloLCA),isolithocholic acid (isoLCA),ursodeoxycholic acid (UDCA) and hyodeoxycholic acid (HDCA),which correlate to various degrees with the above *** conclusion,Leu could promote adipose tissue lipolysis of finishing pigs throug

关键词： Leu Lipid metabolism Gut microbiota Bile acid

BoMyrosinase plays an essential role in sulforaphane accumulation in response to selenite treatment in broccoli

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Horticultural Plant Journal 2024年第2期10卷 488-502页

作者： Qiuyun Wu Qi Wu Yuxiao Tian Chunyan Zhou Shuxiang Mao Junwei Wang Ke Huang College of Horticulture Hunan Agricultural UniversityChangshaHunan 410128China Engineering Research Center for Horticultural Crop Germplasm Creation and New Variety Breeding Ministry of EducationChangshaHunan 410128China Key Laboratory for Vegetable Biology of hunan Province ChangshaHunan 410128China Key Laboratory for Evaluation and Utilization of Gene Resources of Horticultural Crops Ministry of Agriculture and Rural Affairs of ChinaChangshaHunan 410128China

Sulforaphane, a naturally specialized metabolite, plays significant roles in human disease prevention and plant defense. Myrosinase(MY) is a key gene responsible for the catalysis of sulforaphane formation, but the molecular mechanisms through which MY regulates sulforaphane biosynthesis in plants remains largely unknown. Here, we discovered that the change of sulforaphane content in broccoli sprouts caused by exogenous selenite treatments is positively related to BoMY expression. BoMY overexpression in the Arabidopsis thaliana tgg1 mutants could dramatically increase myrosinase activity and sulforaphane content in the rosette leaves of 35S::BoMY/tgg1 and rescue its ***, an obvious increase of myrosinase activity and sulforaphane content was displayed in transgenic BoMY-overexpressed broccoli *** addition, a 2 033 bp promoter fragment of BoMY was isolated. Yeast one-hybrid(Y1H) library screening experiment uncovered that one bHLH transcription factor, BoFAMA, could directly bind to BoMY promoter to activate its expression, which was further evidenced by Y1H assay and dual-luciferase reporter assay. BoFAMA is a selenite-responsive transcription factor that is highly expressed in broccoli leaves;its protein is solely localized to nucleus. Additionally, genetic evidence suggested that the knockdown of FAMA gene in Arabidopsis thaliana could significantly decrease sulforaphane yield by inhibiting the expression of myrosinase genes. Interestingly, exogenous selenite supply could partially restore the low level of sulforaphane content in transgenic Arabidopsis FAMA-silencing plants. Our findings uncover a novel function of FAMAMY module in the regulation of selenite-mediated sulforaphane synthesis and provide a new insights into the molecular mechanism by which selenite regulates the accumulation of sulforaphane in plants.

关键词： Brassica oleracea var.italica Myrosinase BoMY Sulforaphane Selenite treatment

Rice planting acceleration of the activation and loss of soil iron in the red soil region of southern China

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Soil Ecology Letters 2024年第2期6卷 179-187页

作者： San’an Nie Jie Fan Ningxiang Ouyang Hao Sheng Yangzhu Zhang Xiong Yan Zhan Yu College of Resources Hunan Agricultural UniversityChangsha410125China School of Economic Geography Hunan University of Finance and EconomicsChangsha410205China Zunyi Normal university Zunyi563006China

Rice planting decreased total iron but increased active *** activation varied greatly among different paddy soils but not in woodland *** soil iron was mainly affected by pH,SOC and particle *** decrease of soil Fe wa... 详细信息

关键词： paddy soil iron forms parent material rice planting Fe activation

Targeted mutations of BnPAP2 lead to a yellow seed coat in Brassica napus L.

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Journal of Integrative Agriculture 2024年第2期23卷 724-730页

作者： Wei Huang Ruyu Jiao Hongtao Cheng Shengli Cai Jia Liu Qiong Hu Lili Liu Bao Li Tonghua Wang Mei Li Dawei Zhang Mingli Yan hunan Research Center of Heterosis Utilization in Rapeseed/Crop Research Institute Hunan Academy of Agricultural SciencesChangsha 410125China hunan Key Laboratory of Economic Crops Genetic Improvement and Integrated Utilization/School of Life and Health Science Hunan University of Science and TechnologyXiangtan 411201China Key Laboratory of Biology and Genetic Improvement of Oil Crops Ministry of Agriculture and Rural Affairs/Oil Crops Research InstituteChinese Academy of Agricultural SciencesWuhan 430062China

The yellow seed trait is preferred by breeders for its potential to improve the seed quality and commercial value of Brassica *** the present study,we produced yellow seed mutants using a CRISPR/Cas9 system when the two BnPAP2 homologs were knocked *** staining of the seed coat demonstrated that proanthocyanidin accumulation was significantly reduced in the pap2 double mutants and decreased specifically in the endothelial and palisade layer cells of the seed *** and metabolite profiling analysis suggested that disruption of the BnPAP2 genes could reduce the expression of structural and regulated genes in the phenylpropanoid and flavonoid biosynthetic *** broad suppression of these genes might hinder proanthocyanidin accumulation during seed development,and thereby causing the yellow seed trait in *** results indicate that BnPAP2 might play a vital role in the regulatory network controlling proanthocyanidin accumulation.

关键词： yellow seed BnPAP2 proanthocyanidins CRISPR/Cas9

Single-cell transcriptome sequencing reveals the mechanism regulating rice plumule development

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The Crop Journal 2024年第3期12卷 688-697页

作者： Mingdong Zhu Meng Zhang Kunyong Huang Feifei Lu Hong Wang Shaolu Zhao Yinghong Yu Shaoqing Tang Haining Wu Peisong Hu Xiangjin Wei State Key Laboratory of Rice Biology and Breeding China National Center for Rice ImprovementChina National Rice Research InstituteHangzhou 310006ZhejiangChina b State Key Laboratory of Hybrid Rice Hunan Rice Research InstituteHunan Academy of Agricultural SciencesChangsha 410125HunanChina hunan Provincial Key Laboratory of Plant Functional Genomics and Developmental Regulation College of BiologyHunan UniversityChangsha 410082HunanChina Hubei university Wuhan 430062HubeiChina

Seed plumules comprise multiple developing tissues and are key sites for above-ground plant organ ***,the spatial expression of genes in developing rice seed plumules was characterized by single-cell transcriptome sequencing in Zhongjiazao 17,a popular Chinese indica rice *** 15 cell clusters,13 were assigned to cell types using marker genes and cluster-specific *** genes of multiple cell types were expressed in several clusters,suggesting a complex developmental *** genes for signaling by phytohormones such as abscisic acid were highly expressed in specific *** cis-elements in the promoters of genes specifically expressed in cell clusters were calculated,and some key hormone-related motifs were frequent in certain *** expression patterns of genes involved in rapid seed germination,seedling growth,and development were *** findings enhanced our understanding of cellular diversity and specialization within plumules of rice,a monocotyledonous model crop.

关键词： Rice Plumule Single-cell sequencing Regulatory network