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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

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Alginate oligosaccharide-mediated butyrate-HIF-1a axis improves skin aging in mice

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Journal of Pharmaceutical Analysis 2024年第5期14卷 678-692页

作者： Ting Gao Yixuan Li Xiaoyu Wang Fazheng Ren Department of Nutrition and Health College of Veterinary MedicineChina Agricultural UniversityBeijing100083China

The“gut-skin”axis has been proved and is considered as a novel therapy for the prevention of skin *** antioxidant efficacy of oligomannonic acid(MAOS)makes it an intriguing target for use to improve skin *** present study further explored whereby MAOS-mediated gut-skin axis balance prevented skin aging in *** data indicated the skin aging phenotypes,oxidative stress,skin mitochondrial dysfunction,and intestinal dysbiosis(especially the butyrate and HIF-1a levels decreased)in aging ***,fecal microbiota transplantation(FMT)from aging mice rebuild the aging-like ***,we demonstrated MAOS-mediated colonic butyrate-HIF-1a axis homeostasis promoted the entry of butyrate into the skin,upregulated mitophagy level and ultimately improving skin aging via HDAC3/PHD/HIF-1a/mitophagy loop in skin of ***,our study offered a better insights of the effectiveness of alginate oligosaccharides(AOS),promised to become a personalized targeted therapeutic agents,on gut-skin axis disorder inducing skin aging.

关键词： Alginate oligosaccharide Skin aging Butyrate HIF-1a Mitophagy

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Development of a competitive array for discriminative determination of amphenicols in egg based on ribosomal protein L16

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Food Quality and Safety 2024年第1期8卷 105-114页

作者：才艺马宁吴宁鹏王建平 college of veterinary medicine Hebei Agricultural UniversityBaodingChina Henan Institute of veterinary Drug and Feed Control ZhengzhouChina

Objective:Amphenicols(chloramphenicol,thiamphenicol and forfenicol)can cause aplastic anaemia and other severe side effects to consumers;therefore,it is necessary to inspect their residues in foods of animal ***,there has been no report on the use of amphenicols receptor for the determination of their residues,and none of the previously reported immunoassays for amphenicols can differentiate the specifc *** and Methods:In this study,the ribosomal protein L16 of Escherichia coli was frst expressed,and its intermolecular interaction mechanisms with the three amphenicols was studied using the molecular docking *** protein was then combined with three enzymelabelled conjugates to develop a direct competitive array on microplate for determination of the three drugs in ***:Due to the use of principal component analysis to analyse the data,this method could discriminate the three drugs in the range 0.1–10 ng/mL,and the limits of detection for the three drugs were in the range of 0.0002–0.0009 ng/*** analysis results for the unknown egg samples were consistent with a liquid chromatography–tandem mass spectrometry method,and the method performances were superior to the previous immunoassays for ***:This is the frst paper reporting the use of ribosomal protein L16 to develop a competitive array for discriminative determination of amphenicols in food samples.

关键词： Amphenicols ribosomal protein L16 recognition mechanism competitive array discriminative determination egg.

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Exploring the material basis and mechanism of Moringa oleifera in alleviating slow transit constipation based on network pharmacology and animal models

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Food Science and Human Wellness 2024年

作者： Sijin Li Xiaoyu Gao Kaifeng Guo Shuangfeng Liu Weiqian Yang Yan Zhao Jun Sheng Zhongbin Bai Yang Tian college of Food Science and Technology， yunnan agricultural university yunnan Key Laboratory of Precision Nutrition and Personalized Food Manufacturing， yunnan agricultural university Department of Science and Technology， yunnan agricultural university college of veterinary medicine， yunnan agricultural university Engineering Research Center of Development and Utilization of Food and Drug Homologous Resources， Ministry of Education， yunnan agricultural university

Moringa oleifera(M. oleifera) have laxative effects， but their active compositions and mechanisms are not very clear thus far. To this end， we systematically explored the active components and mechanism of M. oleifera leaves in relieving constipation by using the slow transit constipation (STC) mouse model and network pharmacology. The results of animal experiments showed that M. oleifera aqueous extract (MOA) had good laxative activity， and its 70% alcohol soluble part (ASP) also showed significant laxative activity(P < 0.01). Network pharmacological prediction results suggested that L-phenylalanine (Phe) was the key compound of ASP， and it might relieve constipation through tachykinin receptor 1 (TACR1) and three kinds of adrenergic receptors， including alpha-1a (ADRA1A)， alpha-2a (ADRA2A)， and alpha-2b (ADRA2B). Further animal experiment results showed that Phe significantly promoted gastrointestinal motility. Phe may relieve STC by enhancing the release of substance P (SP) and upregulating the mRNA expression of TACR1 in the ileum. Importantly， Phe may also promote intestinal movement by downregulating ADRA2A and ADRA2B and upregulating calmodulin and the mRNA and protein expression of myosin light chain 9 (MYL9) in the ileum， thereby activating the GPCR-MLC signaling pathway. These results lay a foundation for the application of M. oleifera and Phe in constipation.

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Prevention and treatment of gerbil hepatitis E using the programmable CRISPR-Cas13d system

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Genes & Diseases 2024年第4期11卷 94-97页

作者： Chengcheng Zhao Chong Lia Sa Li Hanyu Wu Pengyao Ren Tianlong Liu Xiaoxiang Hu Ran Zhang State Key Laboratory of Animal Biotech Breeding College of Biological SciencesChina Agricultural UniversityBeijing 100193China Laboratory of veterinary Pathology and Nanopathology College of Veterinary MedicineChina Agricultural UniversityBeijing 100193China

In recent years,the global incidence of hepatitis E virus(HEV)has been rising,leading to increased morbidity and mortality associated with ***13,a CRISPR effector,shows promise as an antiviral agent against singlestranded RNA ***13d,a type VI-D effector,exhibits higher efficiency in suppressing RNA viruses compared to other type VI ***,its in vivo activity against RNA viruses in mammals remains unknown.

关键词： mortality hepatitis treatment

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First identification of the oxazolidinone/phenicol resistance gene optrA in Streptococcus pluranimalium worldwide

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Journal of Integrative Agriculture 2024年第2期23卷 731-734页

作者： Kuan Zhao Longyu Zhou Shixia Zhang Wanjiang Zhang Yao Zhu college of veterinary medicine Hebei Agricultural UniversityBaoding 071001China State Key Laboratory for Animal Disease Control and Prevention Harbin Veterinary Research InstituteChinese Academy of Agricultural SciencesHarbin 150069China college of veterinary medicine Xinjiang Agricultural UniversityUrumqi 830052China

Oxazolidinones are highly effective antimicrobial agents for the treatment of serious infections caused by Gram-positive organisms,including methicillin-resistant Staphylococcus aureus(MRSA),vancomycin-resistant enterococci(VRE),multidrug-resistant(MDR)pneumococci and MDR mycobacteria(Brenciani et al.2022).However,the emergence and prevalence of acquired oxazolidinone resistance genes.

关键词： resistance prevalence

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Impact of climate change on the global circulation of West Nile virus and adaptation responses: a scoping review

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贫困所致传染病(英文) 2024年第3期13卷 1-17页

作者： Wang Hao-Ran Liu Tao Gao Xiang Wang Hong-Bin Xiao Jian-Hua Department of veterinary Surgery Northeast Agricultural University Harbin Heilongjiang People’s Republic of China Heilongjiang Key Laboratory for Laboratory Animals and Comparative medicine College of Veterinary Medicine Northeast Agricultural University Harbin Heilongjiang People’s Republic of China

Background West Nile virus (WNV), the most widely distributed flavivirus causing encephalitis globally, is a vector-borne pathogen of global importance. The changing climate is poised to reshape the landscape of various infectious diseases, particularly vector-borne ones like WNV. Understanding the anticipated geographical and range shifts in disease transmission due to climate change, alongside effective adaptation strategies, is critical for mitigating future public health impacts. This scoping review aims to consolidate evidence on the impact of climate change on WNV and to identify a spectrum of applicable adaptation *** body We systematically analyzed research articles from PubMed, Web of Science, Scopus, and EBSCOhost. Our criteria included English-language research articles published between 2007 and 2023, focusing on the impacts of climate change on WNV and related adaptation strategies. We extracted data concerning study objectives, populations, geographical focus, and specific findings. Literature was categorized into two primary themes: 1) climate-WNV associations, and 2) climate change impacts on WNV transmission, providing a clear understanding. Out of 2168 articles reviewed, 120 met our criteria. Most evidence originated from North America (59.2%) and Europe (28.3%), with a primary focus on human cases (31.7%). Studies on climate-WNV correlations (n = 83) highlighted temperature (67.5%) as a pivotal climate factor. In the analysis of climate change impacts on WNV (n = 37), most evidence suggested that climate change may affect the transmission and distribution of WNV, with the extent of the impact depending on local and regional conditions. Although few studies directly addressed the implementation of adaptation strategies for climate-induced disease transmission, the proposed strategies (n = 49) fell into six categories: 1) surveillance and monitoring (38.8%), 2) predictive modeling (18.4%), 3) cross-disciplinary collaboration (16.3%), 4)

关键词： West Nile virus Climate change Adaptation Vector-borne pathogens

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Charge adaptive phytochemical-based nanoparticles for eradication of methicillin-resistant staphylococcus aureus biofilms

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Asian Journal of Pharmaceutical Sciences 2024年第3期19卷 164-180页

作者： Xilong Cui Fanhui Liu Shuang Cai Tingting Wang Sidi Zheng Xinshu Zou Linlin Wang Siqi He Yanhua Li Zhiyun Zhang college of veterinary medicine Northeast Agricultural University Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development

The intrinsic resistance of MRSA coupled with biofilm antibiotic tolerance challenges the antibiotic treatment of MRSA biofilm ***-based nanoplatform is a promising emerging approach for treatment of biofilm ***,their therapeutic efficacy was restricted by the low drug loading capacity and lack of ***,we constructed a surface charge adaptive phytochemical-based nanoparticle with high isoliquiritigenin (ISL) loading content for effective treatment of MRSA biofilm.A dimeric ISL prodrug (ISL-G2) bearing a lipase responsive ester bond was synthesized,and then encapsulated into the amphiphilic quaternized *** obtained ISL-G2loaded NPs possessed positively charged surface,which allowed cis-aconityl-D-tyrosine(CA-Tyr) binding via electrostatic interaction to obtain ISL-G2@TMDCOS-Tyr *** NPs maintained their negatively charged surface,thus prolonging the blood circulation *** response to low pH in the biofilms,the fast removal of CA-Tyr led to a shift in their surface charge from negative to positive,which enhanced the accumulation and penetration of NPs in the ***,the pH-triggered release of D-tyrosine dispersed the biofilm and lipase-triggered released of ISL effectively kill biofilm *** in vivo study was performed on a MRSA biofilm infected wound *** phytochemical-based system led to～2log CFU (>99%) reduction of biofilm MRSA as compared to untreated wound (P<0.001)with negligible biotoxicity in *** phytochemical dimer nanoplatform shows great potential for long-term treatment of resistant bacterial infections.

关键词： MRSA biofilm Isoliquiritigenin Dimer prodrug Charge adaptive Responsive nanoparticles

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Transmission of ceftazidime-avibactam-resistant Escherichia coli among pets,veterinarians and animal hospital environment

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Biosafety and Health 2024年第3期6卷 191-198页

作者： Hegen Dai Dongyan Shao Yu Song Qi An Zhenbiao Zhang Haixia Zhang Siyu Chen Congming Wu Jianzhong Shen Yanli Lyu Yang Wang Shizhen Ma Zhaofei Xia National Key Laboratory of veterinary Public Health Safety College of Veterinary MedicineChina Agricultural UniversityBeijing 100193China Key Laboratory of Animal Antimicrobial Resistance Surveillance Ministry of Agriculture and Rural AffairsCollege of Veterinary MedicineChina Agricultural UniversityBeijing 100193China Department of Clinical veterinary medicine College of Veterinary MedicineChina Agricultural UniversityBeijing 100193China Shanxi Key Laboratory for Modernization of TCVM College of Veterinary MedicineShanxi Agricultural UniversityTaiyuan 030801China Ruichen Pet Hospital Group Co. LtdXiamen 361004China

Ceftazidime-avibactam (CZA) is a recently approved combination synthetic β-lactamase inhibitor used in human clinical medicine. Cases of CZA resistance in humans have already been reported, but limited research has investigated CZA resistance in pets. This study explored the prevalence and transmission of CZA-resistant Escherichia coli (CZAREC) among pets, their owners, veterinarians, and the environment in animal hospitals. A total of 5,419 clinical samples were collected from dogs and cats, along with samples from the environment (n = 5,843), veterinarians (n = 557), and pet owners (n = 368) in animal hospitals. From these samples, 760 Escherichia coli (E. coli) isolates were obtained, out of which 60 were identified as CZAREC. These included 34 isolates from the environment (9.14 %, n = 372), three from veterinarians (8.11 %, n = 37), and 23 from animals (6.82 %, n = 337). No CZAREC isolates were found in pet owners. The predominant sequence types of CZARECs were ST156 (n = 20), ST410 (n = 19) and ST101 (n = 7). Bayesian analysis revealed six clusters comprising 47 isolates from the hospital environment, pets, and veterinaries, displaying genetic relatedness of less than 100 core genome single nucleotide polymorphisms (cgSNPs) between any two isolates in each cluster. Some CZAREC isolates with high genetic similarity persisted in the same animal hospital for four to six months. Moreover, discriminant analysis of principal components indicated that most isolates from different hosts shared a genetic source in the human/dog/cat merged cluster. Overall, evidence of CZARECs transmission was found among pets, the environment, and veterinarians in animal hospitals. The findings emphasize the importance of monitoring CZARECs in the veterinary clinical setting to ensure the health of both pets and humans.

关键词： Ceftazidime-avibactam(CZA) Escherichia coli(E.coli) Pets Animal hospital environment Veterinarians

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Emerging tropane alkaloids:Global development and potential health threats

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Food Quality and Safety 2024年第1期8卷 12-26页

作者： Zile Wang Shiqi Chen Pimiao Zheng Zhenhui Ren Huixia Zhang Jing Zhang Bing Shao Congming Wu Haiyang Jiang Department of veterinary Pharmacology and Toxicology Beijing Key Laboratory of Detection Technology for Animal-Derived Food SafetyBeijing Laboratory for Food Quality and SafetyNational Key Laboratory of Veterinary Public Health and SafetyCollege of Veterinary MedicineChina Agricultural UniversityBeijingChina. college of veterinary medicine Shandong Agricultural UniversityTaianChina. Tianjin Key Laboratory of agricultural Animal Breeding and Healthy Husbandry College of Animal Science and Veterinary MedicineTianjin Agricultural UniversityTianjinChina Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning Beijing Center for Disease Prevention and ControlBeijingChina.

Tropane alkaloids(TAs)are a kind of plant secondary metabolite that mainly originate from *** have potent anticholinergic activity,and are well-known anticholinergic drugs,but have also been reported as plant *** studies have been conducted on TAs,but no scientometric research has been *** study aimed to expound the knowledge network and development of the feld of TAs and predict the emerging development topics based on *** particular,this research combined VOSviewer and CiteSpace for visualization and covered 1,298 related scientifc publications(1953–2022).The research on TAs is rapidly developing,with the participation of 86 countries,1,129 research institutions,and 4,087 ***,the university of Geneva,and *** are the most productive country,institution,and researcher,***,the main research topics on TAs include biosynthesis,in vitro synthesis,chemical synthesis,and determination *** 2018,the monitoring of TAs in food related to human health has shown citation burst characteristics,which is considered an emerging development trend in the *** fndings of this study will enable researchers to quickly tap into the knowledge background/structure of TAs from massive data to provide a reference for further research.

关键词： Tropane alkaloids bibliometrics biosynthesis in vitro synthesis chemical synthesis determination contamination food safety

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