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Selenium-oxidizing Agrobacterium sp.T3F4 decreases arsenic uptake by Brassica rapa *** a native polluted soil

Journal of Environmental sciences 2024年第4期138卷 506-515页

作者： Lijin An Chunzhi Zhou Lipeng Zhao Ao Wei Yiting Wang Huimin Cui Shixue Zheng State Key Laboratory of agricultural Microbiology College of Life Science and TechnologyHuazhong Agricultural UniversityWuhan 430070China

Toxic arsenic(As)and trace element selenium(Se)are transformed by microorganisms but their complex interactions in soil-plant systems have not been fully *** Asand Se-oxidizing bacterium,Agrobacterium sp.T3F4,was applied to a native seleniferous As-polluted soil to investigate As/Se uptake by the vegetable Brassica rapa *** As-Se interaction as mediated by strain *** Se content in the aboveground plants was significantly enhanced by 34.1%,but the As content was significantly decreased by 20.5% in the T3F4-inoculated pot culture compared to the control(P<0.05).Similar result was shown in treatment with additional 5 mg/kg of Se(IV)in *** addition,the As contents in roots were significantly decreased by more than 35% under T3F4 or Se(IV)treatments(P<0.05).Analysis of As-Se-bacterium interaction in a soil simulation experiment showed that the bioavailability of Se significantly increased and As was immobilized with the addition of the T3F4strain(P<0.05).Furthermore,an As/Se co-exposure hydroponic experiment demonstrated that As uptake and accumulation in plants was reduced by increasing Se(IV)*** 50% growth inhibition concentration(IC50)values for As in plants were increased about one-fold and two-fold under co-exposure with 5 and 10μmol/L Se(IV),*** conclusion,strain T3F4 improves Se uptake but decreases As uptake by plants via oxidation of As and Se,resulting in decrease of soil As bioavailability and As/Se competitive absorption by *** provides a potential bioremediation strategy for Se biofortification and As immobilization in As-polluted soil.

关键词： Selenium oxidation Selenium biofortification Arsenite-oxidizing bacteria Arsenic immobilization Brassica rapa L

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Morphological determination of localization and function of Golgi proteins

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Biophysics Reports 2024年第2期10卷 121-132页

作者： Yusheng Xing Yannan Jian Xiaodan Zhao Yue Zhang Zhenqian Zhang Xing Zhang Xiaoyan Zhang college of Biomedicine and Health College of Life Science and Technology Huazhong Agricultural University

In animal cells, the Golgi apparatus serves as the central hub of the endomembrane secretory *** is responsible for the processing, modification, and sorting of proteins and lipids. The unique stacking and ribbon-like architecture of the Golgi apparatus forms the foundation for its precise functionality. Under cellular stress or pathological conditions, the structure of the Golgi and its important glycosylation modification function may change. It is crucial to employ suitable methodologies to study the structure and function of the Golgi apparatus, particularly when assessing the involvement of a target protein in Golgi regulation. This article provides a comprehensive overview of the diverse microscopy techniques used to determine the specific location of the target protein within the Golgi apparatus. Additionally, it outlines methods for assessing changes in the Golgi structure and its glycosylation modification function following the knockout of the target gene.

关键词： Golgi apparatus Golgi fragmentation Immunofluorescence Super-resolution microscopy Electron microscopy Lectin staining Glycosylation

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Dynamic modulation of nodulation factor receptor levels by phosphorylation-mediated functional switch of a RING-type E3 ligase during legume nodulation

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Molecular Plant 2024年第7期17卷 1090-1109页

作者： Hao Li Yajuan Ou Jidan Zhang Kui Huang Ping Wu Xiaoli Guo Hui Zhu Yangrong Cao National Key Lab of agricultural Microbiology Hubei Hongshan LaboratoryHuazhong Agricultural UniversityWuhan 430070China National Key Lab of agricultural Microbiology College of Plant Science and TechnologyHuazhong Agricultural UniversityWuhan 430070China

The precise control of receptor levels is crucial for initiating cellular signaling transduction in response to specific ligands;however,such mechanisms regulating nodulation factor(NF)receptor(NFR)-mediated perception of NFs to establish symbiosis remain *** this study,we unveil the pivotal role of the NFR-interacting RING-type E3 ligase 1(NIRE1)in regulating NFR1/NFR5 homeostasis to optimize rhizobial infection and nodule development in Lotus *** demonstrated that NiRE1 has a dual function in this regulatory *** associates with both NFR1 and NFR5,facilitating their degradation through K48-linked polyubiquitination before rhizobial ***,following rhizobial inoculation,NFR1 phosphorylates NIRE1ata conserved residue,Tyr-109,inducing a functional switch in NIRE1,which enables NIRE1tomediateK63-linkedpolyubiquitination,thereby stabilizing NFR1/NFR5 in infected root *** introduction of phospho-dead NIRE1Y1osF leads to delayed nodule development,underscoring the significance of phosphorylation at Tyr-1o9 in orchestrating symbiotic ***,expression of the phospho-mimic NIRE1Y0E results in the formation of spontaneous nodules in ***,further emphasizing the critical role of the phosphorylation-dependent functional switch in *** summary,these findings uncover a fine-tuned symbiotic mechanism that a single E3 ligase could undergo a phosphorylationdependent functional switch to dynamically and precisely regulate NF receptor protein levels.

关键词： nodule symbiosis nodulation factor receptors E3 ligase ubiquitination phosphorylation protein degradation protein stabilization Lotus japonicus

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Procyanidin Aand its digestive products inhibit acrylamide-induced IPEC-J2 cell damage: apoptosis and cell cycle arrest

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food science and Human Wellness 2024年

作者： Fangfang Yan Si Qin Chengming Wang Wolfram Weckwerth Qun Lu Rui Liu Lab of food Function and Nutrigenomics， college of food science and technology， Hunan agricultural university college of food science and technology， huazhong agricultural university Key Laboratory of Environment Correlative Dietology (huazhong agricultural university)， Ministry of Education Molecular Systems Biology， Department of Functional and Evolutionary Ecology， university of Vienna

Our previous study has demonstrated that procyanidin A1(A1) and its simulated digestive product (D-A1) can prevent acrylamide （ACR）-induced cytotoxicity in small intestine cells. However， the potential mechanism remains poorly understood. In this study， ACR treatment was found to increase the levels of 8-hydroxy-deoxyguanine （8-OHdG） and phosphorated histone H2AX (γH2AX)， two DNA damage markers， thereby resulting in cell cycle arrest in the G2/M phase; whereas both A1and D-A1could prevent the phosphorylation of ataxia telangiectasia mutated （ATM） and checkpoint kinase 2 （Chk2）， and then regulate the expression of G2/M phase-related proteins， finally maintaining normal cell cycle progression. Moreover， A1and D-A1could increase the B cell lymphoma 2 （Bcl-2）/Bcl2-associated X （Bax） ratio and decrease the expression of cleaved caspase-3 and cleaved caspase-9 proteins to alleviate ACR-induced cell apoptosis， which might be related to the inhibition of the mitogen-activated protein kinase （MAPK） pathway. More importantly， A1showed no remarkable variation in inhibitory effect before and after digestion， indicating that it can endure gastrointestinal digestion and may be a promising phytochemical to alleviate ACR-induced intestinal cell damage.

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Procyanidin A_1 and its digestive products alleviate acrylamide-induced IPEC-J2 cell damage through regulating Keap1/Nrf2 pathway

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food science and Human Wellness 2024年第3期13卷 1475-1484页

作者： Fangfang Yan Qun Lu Chengming Wang Rui Liu college of food science and technology Huazhong Agricultural UniversityWuhan 430070China Key Laboratory of Environment Correlative Dietology(huazhong agricultural university) Ministry of EducationWuhan 430070China Key Laboratory of Urban Agriculture in Central China Ministry of Agriculture and Rural AffairsWuhan 430070China

Our previous study has revealed that procyanidin A_(1)(A_(1))and its simulated digestive product(D-A,)can alleviate acrylamide(ACR)-induced intestine cell ***,the underlying mechanism remains *** this study,we elucidated the molecular mechanism for and D-A_(1) to alleviate ACR-stimulated IPEC-J2 cell *** slightly activated nuclear factor erythroid 2-related factor 2(Nrf2)signaling and its target genes,but this activation could not reduce intestine cell damage.A_(1) and D-A_(1) could alleviate ACR-induced cell damage,but the effect was abrogated in cells transiently transfected with Nrf2 small interfering RNA(siRNA).Further investigation confirmed that A_(1) and D-A_(1) interacted with Ketch-like ECH-associated protein 1(Keapl),which boosted the stabilization of Nrf2,subsequently promoted the translocation of Nrf2 into the nucleus,and further increased the expression of antioxidant proteins,thereby inhibiting glutathione(GSH)consumption,maintaining redox balance and eventually alleviating ACR-induced cell ***,there was no difference between A_(1) and D-A_(1) treated groups,indicating that A_(1) can tolerate gastrointestinal digestion and may be a potential compound to limit the toxicity of ACR.

关键词： Procyanidin A_1 Digestive products Acrylamide Nuclear factor erythroid 2-related factor 2(Nrf2) Intestinal cell damage

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Effective protective agents against the organ toxicity of T-2 toxin and corresponding detoxification mechanisms: A narrative review

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Animal Nutrition 2024年第1期16卷 251-266页

作者： Pengju Wang Lv-hui Sun Xu Wang Qinghua Wu Aimei Liu Hubei Key Laboratory of Diabetes and Angiopathy Medicine Research Institute Xianning Medical College Hubei University of Science and Technology Hubei Hongshan Laboratory College of Animal Science and Technology Huazhong Agricultural University National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues Huazhong Agricultural University college of Life science Yangtze University

T-2 toxin is one of the most widespread and toxic fungal toxins in food and feed. It can cause gastrointestinal toxicity, hepatotoxicity, immunotoxicity, reproductive toxicity, neurotoxicity, and nephrotoxicity in humans and animals. T-2 toxin is physicochemically stable and does not readily degrade during food and feed processing. Therefore, suppressing T-2 toxin-induced organ toxicity through antidotes is an urgent issue. Protective agents against the organ toxicity of T-2 toxin have been recorded widely in the literature, but these protective agents and their molecular mechanisms of detoxification have not been comprehensively summarized. In this review, we provide an overview of the various protective agents to T-2 toxin and the molecular mechanisms underlying the detoxification effects. Targeting appropriate targets to antagonize T-2 toxin toxicity is also an important option. This review will provide essential guidance and strategies for the better application and development of T-2 toxin antidotes specific for organ toxicity in the future.

关键词： T-2 toxin Organ toxicity Protective agent Detoxification mechanism

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Characterization of blueberry exosome-like nanoparticles and miRNAs with potential cross-kingdom human gene targets

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food science and Human Wellness 2024年第2期13卷 869-878页

作者： Yangfan Leng Liubin Yang Siyi Pan Leilei Zhan Fang Yuan college of food science and technology Huazhong Agricultural UniversityWuhan 430070China Hubei Key Laboratory of Fruit&Vegetable Processing&Quality Control Huazhong Agricultural UniversityWuhan 430070China Wuhan GeneCreate Biological Engineering Co. Ltd.Wuhan 430070China

Edible plant derived exosome-like nanoparticles(ELNs)have been shown to have multiple nutraceutical ***,the diversity of plant materials makes the plant derived ELN study *** efforts are still needed to explore the feasible isolation methods of edible plant derived ELNs and the possible roles of food-derived ELNs in improving human *** this study,a size exclusion chromatography based method was compared with the traditional ultracentrifugation method to isolate blueberry derived ELNs(B-ELNs),and the miRNA profile of B-ELNs was analyzed by high-throughput sequencing.A total of 36 miRNAs were found to be enriched in B-ELNs compared with berry tissue,and their potential cross-kingdom human gene targets were further *** showed that size exclusion chromatography was effective for B-ELN *** most abundant miRNAs in B-ELNs mainly belonged to the miR166 family and miR396 *** gene prediction indicated that B-ELNs could potentially regulate pathways related to the human digestive system,immune system and infectious diseases.

关键词： Edible plant derived exosomes-like nanoparticles Size exclusion chromatography miRNA Target gene prediction Blueberry

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D-Psicose intake exacerbates dextran sulfate sodium-induced colitis in mice through alteration in the gut microbiota and dysfunction of mucosal barrier

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food science and Human Wellness 2024年第1期13卷 173-182页

作者： Xuejiao Zhang Ang Li Yuanyifei Wang Jin Wang Bowei Zhang Yan Zhang Jingmin Liu Shuo Wang Tianjin Key Laboratory of food science and Health School of MedicineNankai UniversityTianjin 300072China college of food science and technology Hebei Agricultural UniversityBaoding 071001China

D-Psicose,as a low-calorie rare sugar,has attracted a lot of attention in recent years for alternating to *** anti-obesity effect of D-psicose has been extensively confirmed in previous studies,however,the impact of D-psicose on colitis remains ***,we firstly evaluated the effect of the D-psicose prophylactic intervention on dextran sulfate sodium-induced colitis in C57BL/6 *** pathological symptoms,inflammatory cytokines levels,gut microbiota composition,short chain fatty acids(SCFAs)production and colonic barrier integrity were comprehensively *** results confirmed that D-psicose intervention aggravated colitis,characterized by the exacerbation of colon shortening,increase of colonic inflammatory infiltration,and marked exaltation of disease activity indices and IL-6,IL-1βand TNF-α***,the dysfunction of gut microbiota was identified in the psicose *** abundance of pro-inflammatory bacteria Lachnospiraceae_NK4A136_group was significantly up-regulated while the abundance of probiotics Akkermansia and Lactobacillus were significantly down-regulated in the psicose group compared to the model ***,the production of SCFAs was suppressed in the psicose group,accompanied by a decrease in the level of mucin 2(Muc-2).Collectively,the underlying mechanism of the exacerbation of colitis by D-psicose intervention might be attributed to microbiota dysfunction accompanied by the reduction of SCFAs,which leads to the damage of the mucosal barrier and the intensifi cation of inflammatory invasion.

关键词： D-Psicose Colitis Gut microbiota Short chain fatty acids Mucin 2

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Dynamic changes in physicochemical property,biogenic amines content and microbial diversity during the fermentation of Sanchuan ham

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food science and Human Wellness 2024年第1期13卷 506-516页

作者： Zhongai Chen Hong Chen Huan Du Cong Chen Kaixiang Lu Qiaoli Xue Yongjin Hu college of food science and technology Yunnan Agricultural UniversityKunming 650000China Institute of food Processing Guizhou Academy of Agricultural SciencesGuiyang 550006China Editorial Department of Journal of Yunnan agricultural university Yunnan Agricultural UniversityKunming 650000China

Sanchuan ham is appreciated in Yunnan Province,China,for its characteristic flavor and taste,while the microbial community structure and biogenic amines content remain unclear during fermentation *** this study,we explored the physicochemical property,biogenic amines concentration and microbial diversity of external and internal Sanchuan ham by high-throughput sequencing during the processing of Sanchuan *** showed that the nitrite remained at a stable level of 0.15 mg/kg which was significantly lower than the national health standard safety level of 20 mg/*** addition,compared with fresh hams,the content of total free amino acids in ripe Sanchuan ham has grown 14 folds;sour and bitter were the main tastes of Sanchuan ***,the concentration of cadaverine was the highest of all biogenic amines during the entire fermentation *** the bacterial phyla level,Firmicutes and Actinobacteria were the two main phyla,while at the genus level,Staphylococcus was a significant strain throughout the whole ***,the dry stage has a great impact on the succession change of microbial community ***,the change trends and composition of bacteria in the interior have slight discrepancies with those of the exterior of Sanchuan ham.

关键词： Sanchuan ham Nitrite cont ent Free amino acids Cadaverine Staphylococcus

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Lacticaseibacillus rhamnosus Fmb14 ameliorates hyperuricemia-induced hepatocyte pyroptosis via NLRP3 inflammasome cascade inhibition

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food science and Human Wellness 2024年第4期13卷 2174-2186页

作者： Hongyuan Zhao Xiaoyu Chen Li Zhang Fanqiang Meng Libang Zhou Zhaoxin Lu Yingjian Lu college of food science&technology Nanjing Agricultural UniversityNanjing 210095China Institute of Vegetable Gansu Academy of Agricultural SciencesLanzhou 730070China college of food science&Engineering Nanjing University of Finance and EconomicsNanjing 210023China

Hyperuricemia is a high-risk factor for the development of gout and renal fibrosis,but the adverse effects of hyperuricemia on the liver have been seriously *** research investigated the ameliorating effect of Lacticaseibacillus rhamnosus Fmb14 on hyperuricemia induced liver dysfunction both in vitro and in *** free extracts of high dose *** Fmb14 treatment reduced the death rate of HepG2 cell lines from 24.1%to 14.9%by inhibiting NLRP3 recruitment,which was mainly activated by reactive oxygen species release and mitochondrial membrane potential *** purine dietary induced hyperuricemia(PDIH)mice model,liver oedema and pyroptosis were ameliorated after *** Fmb14 administration through downregulating the expression levels of NLRP3,caspase-1 and gasdermin-D from 1.61 to 0.86,3.15 to 1.01 and 5.63 to 2.02,*** Fmb14 administration restored mitochondrial inner membrane protein(MPV17)and connexin 43 from 2.83 and 0.73 to 0.80 and 0.98 respectively in PDIH mice,indicating that dysbiosis of mitochondrial membrane potential was restored in ***,PDIH pyroptosis stimulates the process of apoptosis,which leads to severe leakage of hepatocytes,and both of pyroptosis and apoptosis were decreased after *** Fmb14 ***,*** Fmb14 is a promising biological resource to maintain homeostasis of the liver in hyperuricemia and the prevention of subsequent complications.

关键词： Lacticaseibacillus rhamnosus Fmb14 Hyperuricemia Pyroptosis NLRP3 pathway

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