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Journal of animal Science and Biotechnology 2024年第3期15卷 971-986页

作者： Haorong He Yuanhang Wei Yuqi Chen Xiyu Zhao Xiaoxu Shen Qing Zhu Huadong Yin key laboratory of Livestock and Poultry Multi‑Omics Ministry of Agriculture and Rural AffairsCollege of Animal Science and TechnologySichuan Agricultural UniversityChengduSichuan 611130China farm animal genetic resources Exploration and innovation key laboratory of Sichuan Province Sichuan Agricultural UniversityChengduSichuan 611130China

Background The reproductive performance of chickens mainly depends on the development of ***-mal follicle development can lead to decreased reproductive performance and even ovarian disease among *** is the only non-human animal with a high incidence of spontaneous ovarian *** recent years,the involvement of circRNAs in follicle development and atresia regulation has been *** In the present study,we used healthy and atretic chicken follicles for circRNA *** results showed differential expression of *** was then confirmed that circRALGPS2 can translate into a protein,named cir-cRALGPS2-212aa,which has IRES ***,we found that circRALGPS2-212aa promotes apoptosis and autophagy in chicken granulosa cells by forming a complex with PARP1 and *** Our results revealed that circRALGPS2 can regulate chicken granulosa cell apoptosis and autophagy through the circRALGPS2-212aa/PARP1/HMGB1 axis.

关键词： Apoptosis Autophagy Chicken CircRALGPS2 Follicle atresia PARP1 RNC-seq

Gga-miRNA-181-5p family facilitates chicken myogenesis via targeting TGFBR1 to block TGF-βsignaling

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Journal of Integrative Agriculture 2024年第8期23卷 2764-2777页

作者： Xiaoxu Shen Yongtong Tian Wentao He Can He Shunshun Han Yao Han Lu Xia Bo Tan Menggen Ma Houyang Kang Jie Yu Qing Zhu Huadong Yin key laboratory of Livestock and Poultry Multi-omics Ministry of Agriculture and Rural AffairsCollege of Animal Science and TechnologySichuan Agricultural UniversityChengdu 611130China farm animal genetic resources Exploration and innovation key laboratory of Sichuan Province Sichuan Agricultural UniversityChengdu 611130China College of Forestry Sichuan Agricultural UniversityChengdu 611130China College of resources Sichuan Agricultural UniversityChengdu 611130China Triticeae Research Institute Sichuan Agricultural UniversityChengdu 611130China key laboratory for animal Disease Resistance Nutrition of China Institute of Animal NutritionMinistry of Education/Sichuan Agricultural UniversityChengdu 611130China

MicroRNAs(miRNAs)have been demonstrated to control chicken skeletal muscle growth,however,the potential function of the miR-181-5p family in chicken myogenesis remains largely ***,our study identified the two chicken(Gallus gallus;Gga)miR-181-5p family members widely expressed in various tissues,specifically miR-181a-5p and ***,the breast muscles of fast-growing broilers expressed higher levels of miR-181a-5p and miR-181b-5p than those of slow-growing ***,miR-181a-5p and miR-181b-5p both promote the expression level of myogenic factors including myogenin(MyoG),myogenic differentiation 1(MyoD1),and myosin heavy chain(MyHC),meanwhile accelerating the myotube formation of skeletal muscle satellite cells(SMSCs).Mechanistically,miR-181a-5p and miR-181b-5p directly bind to the 3′untranslated region(UTR)of the transforming growth factor beta receptor 1(TGFBR1)mRNA,further reducing the expression of ***1 is a key Transforming growth factor beta(TGF-β)signaling transduction receptor and had a negative function in muscle cell ***,knockdown of TGFBR1 facilitated the expression of chicken myogenic factors,boosted myotube formation,and decreased the SMAD family member 2/3(SMAD2/3)phosphorylation in chicken ***2/3 are downstream of TGF-βsignaling,and miR-181a-5p and miR-181b-5p could reduce the expression of TGFBR1 to further diminish the SMAD2/3 *** findings revealed that the miR-181-5p family targets TGFBR1 to break the TGF-βsignaling transduction,which resulted in promoting chicken skeletal muscle development.

关键词： miRNA-181-5p family SMSCs differentiation TGFBR1 TGF-βsignaling

LncRNAs are involved in regulating ageing and age-related disease through the adenosine monophosphate-activated protein kinase signalling pathway

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Genes & Diseases 2024年第5期11卷 183-197页

作者： Jiamei Li Feng Xiao Siqi Wang Xiaolan Fan Zhi He Taiming Yan Jia Zhang Mingyao Yang Deying Yang College of animal Science and Technology Sichuan Agricultural UniversityChengduSichuan 611130China farm animal genetic resources Exploration and innovation key laboratory of Sichuan Province Sichuan Agricultural UniversityChengduSichuan 611130China Chengdu Women’s and Children’s Central Hospital School of MedicineUniversity of Electronic Science and Technology of ChinaChengduSichuan 610017China

A long noncoding RNA(lncRNA)is longer than 200 *** regulates various biological processes mainly by interacting with DNA,RNA,or protein in multiple kinds of biological *** monophosphate-activated protein kinase(AMPK)is activated during nutrient starvation,especially glucose starvation and oxygen deficiency(hypoxia),and exposure to toxins that inhibit mitochondrial respiratory chain complex *** is an energy switch in organisms that controls cell growth and multiple cellular processes,including lipid and glucose metabolism,thereby maintaining intracellular energy homeostasis by activating catabolism and inhibiting *** AMPK signalling pathway consists of AMPK and its upstream and downstream *** upstream targets include proteins such as the transforming growth factor b-activated kinase 1(TAK1),liver kinase B1(LKB1),and calcium/calmodulindependent protein kinase b(CaMKKb),and its downstream targets include proteins such as the mechanistic/mammalian target of rapamycin(mTOR)complex 1(mTORC1),hepatocyte nuclear factor 4a(HNF4a),and silencing information regulatory 1(SIRT1).In general,proteins function relatively independently and *** this article,a review of the currently known lncRNAs involved in the AMPK signalling pathway is presented and insights into the regulatory mechanisms involved in human ageing and age-related diseases are provided.

关键词： Age-related diseases Ageing AMPK signalling pathway Long noncoding RNA microRNA

Flavonoids from mulberry leaves inhibit fat production and improve fatty acid distribution in adipose tissue in finishing pigs

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animal Nutrition 2024年第1期16卷 147-157页

作者： Yingying Liu Yinglin Peng Chen Chen Huibo Ren Ji Zhu Yuan Deng Qingming Cui Xionggui Hu Jianhua He Huali Li Xinghui Zhu Yulong Yin Jun He Yi Xiao College of animal Science and Technology Hunan Agricultural UniversityChangsha410128China Hunan Institute of animal and Veterinary Science Changsha410131China key laboratory of Conservation and genetic Analysis of Local Pig Breed germplasm resources Changsha410131China College of Information and Intelligence Hunan Agricultural UniversityChangsha410128China Institute of Subtropical Agriculture Chinese Academy of SciencesChangsha410125China

This study evaluated the effects of flavonoids from mulberry leaves(FML)on plasma biochemical indices,serum activities of lipid metabolism-related enzymes,fat morphology,fatty acid composition,and lipid metabolism in different adipose tissues of finishing *** used 120 Chinese hybrid barrows of Berkshire and Bama mini-pigs with an average initial body weight of 45.11±4.23 *** pigs were randomly assigned to five treatment groups and fed a control diet based on corn,soybean meal,and wheat bran or a control diet supplemented with 0.02%,0.04%,0.08%,or 0.16%*** experimental group had six replicates(pens),with four pigs per *** a 7-d adaptation period,the feeding trial was conducted for 58 *** and adipose tissue samples were collected from 30 pigs(one pig per pen)at the end of the *** results showed that FML supplementation significantly decreased the feed intake to body gain ratio,the plasma concentrations of total cholesterol and free fatty acids,and the serum activity of 3-hydroxy-3-methylglutaryl coenzyme A reductase(linear or quadratic effects,P<0.05),and decreased the plasma triglyceride concentration(quadratic,P=0.07).Increasing FML supplementation increased the average daily gain and serum activities of lipoprotein lipase(linear and quadratic effects,P<0.05)and adipose triglyceride lipase(linear,P<0.05).Dietary FML supplementation decreased the adipocyte area in the dorsal subcutaneous adipose(DSA)tissue of finishing pigs(linear,P=0.05)and increased the adipocyte area in the visceral adipose tissue(quadratic,P<0.01).Increasing FML supplementation decreased the C20:1 content in DSA,abdominal subcutaneous adipose,and visceral adipose tissues of finishing pigs(P<0.05)and increased the C18:3n3 and n-3 PUFA contents(P<0.05).The lipid metabolism genes were regulated by the PPARγ-LXRa-ABCA1 signaling pathway,and their expressions differed in different adipose *** findings suggest that FML improved growth performance,regulated lipid met

关键词： Finishing pig Mulberry leaf Flavonoid Lipid metabolism Fatty acid Lard

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Blastoids generated purely from embryonic stem cells both in mice and humans

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Science China(Life Sciences) 2024年第2期67卷 418-420页

作者： Baojiang Wu Yanqiu Wang Jia Yan Mengya Liu Xihe Li Fuchou Tang Siqin Bao The State key laboratory of Reproductive Regulation and Breeding of Grassland Livestock Inner Mongolia UniversityHohhot 010020China Research Center for animal genetic resources of Mongolia Plateau College of Life SciencesInner Mongolia UniversityHohhot 010020China Beijing Advanced innovation Center for Genomics and Biomedical Pioneering innovation Center College of Life SciencesPeking UniversityBeijing 100871China Inner Mongolia Saikexing Institute of Breeding and Reproductive Biotechnology in Domestic animal Hohhot 011517China

Dear Editor,Embryonic stem cells(ESCs)and trophoblast stem cells(TSCs)are derived from blastocysts(Lu et al.,2001).Blastocyst-like structures(blastoids)are self-assembled structures formed by a combination of ESCs and TSCs(Rivron et al.,2018).To increase the success rate of blastoid formation and its similarity with the features of blastocysts,some reports showed that blastoid could also be derived from a combination of three cell lines,ESCs,TSCs,and extraembryonic endoderm cells(XENs),or novel type of stem cells(Sozen et al.,2018;Weatherbee et al.,2023:Wu et al.,2023;Zhang et al.,2023;Zhang et al.,2019).

关键词： purely similarity

Improve meat production and virus resistance by simultaneously editing multiple genes in livestock using Cas12i^(Max)

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Science China(Life Sciences) 2024年第3期67卷 555-564页

作者： Jilong Ren Tang Hai Yangcan Chen Ke Sun Zhiqiang Han Jing Wang Chongyang Li Qingwei Wang Leyun Wang Huabing Zhu Dawei Yu Wei Li Shanjiang Zhao State key laboratory of animal Nutrition Key Laboratory of Animal GeneticsBreeding and Reproduction of Ministry of Agriculture and Rural AffairsInstitute of Animal ScienceChinese Academy of Agricultural SciencesBeijing 100193China State key laboratoryf Stem Cell and Reproductive Biology Instituteof ZooogyChinese Academyof SciencesBeijing 100101China Beijing Institute for Stem Cell and Regenerative Medicine Beijing 100101China Beijing farm animal Research Center Institute of ZoologyChinese Academy of SciencesBeijing 100101China

The clustered regularly interspaced short palindromic repeats(CRISPR)/CRISPR-associated gene(Cas) system is continually optimized to achieve the most efficient gene editing effect. The Cas12i^(Max), a Cas12i variant, exhibits powerful DNA editing activity and enriches the gene editing toolbox. However, the application of Cas12i^(Max)in large domestic animals has not yet been reported. To verify the efficiency and feasibility of multiple gene editing in large animals, we generated porcine fibroblasts with simultaneous knockouts of IGF2, ANPEP, CD163,and MSTN via Cas12i^(Max)in one step. Phenotypically stable pigs were created through somatic cell nuclear transfer technology. They exhibited improved growth performance and muscle quality. Furthermore, we simultaneously edited three genes in bovine fibroblasts. A knockout of MSTN and PRNP was created and the amino acid Q-G in CD18 was precisely substituted. Meanwhile, no off-target phenomenon was observed by sum-type analysis or off-target detection. These results verified the effectiveness of Cas12i^(Max)for gene editing in livestock animals and demonstrated the potential application of Cas12i^(Max)in the field of animal trait improvement for agricultural production.

关键词： Cas12i^(Max) gene editing livestock multiple trait improvement

Generation of mitochondrial replacement monkeys by female pronucleus transfer

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Zoological Research 2024年第2期45卷 292-298页

作者： Chun-Yang Li Xing-Chen Liu Yu-Zhuo Li Yan Wang Yan-Hong Nie Yu-Ting Xu Xiao-Tong Zhang Yong Lu Qiang Sun Institute of Neuroscience Center for Excellence in Brain Science and Intelligence TechnologyState Key Laboratory of NeuroscienceChinese Academy of SciencesShanghai 200031China key laboratory of genetic Evolution and animal Models Chinese Academy of SciencesKunming 650201China University of Chinese Academy of Sciences Beijing 100049China

Mutations in mitochondrial DNA(mtDNA)are maternally inherited and have the potential to cause severe *** replacement therapies,including spindle,polar body,and pronuclear transfers,are promising strategies for preventing the hereditary transmission of mtDNA *** pronuclear transfer has been used to generate mitochondrial replacement mouse models and human embryos,its application in non-human primates has not been previously *** this study,we successfully generated four healthy cynomolgus monkeys(Macaca fascicularis)via female pronuclear *** individuals all survived for more than two years and exhibited minimal mtDNA carryover(3.8%–6.7%),as well as relatively stable mtDNA heteroplasmy dynamics during *** successful establishment of this nonhuman primate model highlights the considerable potential of pronuclear transfer in reducing the risk of inherited mtDNA diseases and provides a valuable preclinical research model for advancing mitochondrial replacement therapies in humans.

关键词： Non-human primates Mitochondrial replacement Female pronuclear transfer

Asymmetric expression of CA2 and CA13 linked to calcification in the bilateral mandibular condyles cause crossed beaks in chickens

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Journal of Integrative Agriculture 2024年第7期23卷 2379-2390页

作者： Lei Shi Yanyan Sun Yunlei Li Hao Bai Jingwei Yuan Hui Ma Yuanmei Wang Panlin Wang Aixin Ni Linlin Jiang Pingzhuang Ge Shixiong Bian Yunhe Zong Jinmeng Zhao Adamu MIsa Hailai HTesfay Jilan Chen State key laboratory of animal Biotech Breeding/key laboratory of animal(Poultry)genetics Breeding and Reproduction of Ministry of Agriculture and Rural Affairs/Institute of animal Sciences Chinese Academy of Agricultural SciencesBeijing 100193China College of animal Science and Technology Hebei Agricultural UniversityBaoding 071001China Joint International Research laboratory of Agriculture and Agri-Product Safety Ministry of Education/Institutes of Agricultural Science and Technology DevelopmentYangzhou UniversityYangzhou 225009China

Crossed beak is a complex mode of inheritance with prevalence ranging from 0.2 to 7.4% in at least 12 chicken strains *** reveal the intrinsic factors causing crossed beaks,genes expression patterns in bilateral mandibular condyle between affected and normal birds were characterized by RNA sequencing analysis in the present *** beak was induced by short length of unilateral mandibular ramus,and a total of 110differentially expressed genes were up-or down-regulated in the affected(short)mandibular condyle side as compared to the normal *** anhydrase 2(CA2)and Carbonic anhydrase 13(CA13)were enriched in the carbonate dehydratase activity,and high-expressed in mandibular condyle and osteoblasts(P<0.05).However,both were low-expressed in short mandibular condyle side of affected birds(P<0.05).The carbonate dehydratase inhibitor experiments confirmed that there is positive association between the calcification and carbonic anhydrase *** analysis with cetylpyridinium chloride showed a decrease in calcification when the cells were transfected with an anti-CA13 *** research suggested that CA2 and CA13 are down-calcified in shortside mandibular condyle,and caused mandibular ramus to grow ***2 and CA13 have the critical role in crossed beaks by regulating calcification of mandibular condyle.

关键词： chicken crossed beak carbonic anhydrase calcification CA2 CA13

Characterizing structural variants based on graph-genotyping provides insights into pig domestication and local adaption

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Journal of genetics and Genomics 2024年第4期51卷 394-406页

作者： Xin Li Quan Liu Chong Fu Mengxun Li Changchun Li Xinyun Li Shuhong Zhao Zhuqing Zheng key Lab of Agricultural animal genetics Breeding and Reproduction of Ministry of Education and Key Laboratory of Swine Genetics and Breeding of Ministry of AgricultureCollege of Animal Science and TechnologyHuazhong Agricultural UniversityWuhanHubei 430070China Institute of Agricultural Biotechnology Jingchu University of TechnologyJingmenHubei 448000China The Cooperative innovation Center for Sustainable Pig Production WuhanHubei 430070China Hubei Hongshan laboratory WuhanHubei 430070China

Structural variants(SVs),such as deletions(DELs)and insertions(INSs),contribute substantially to pig genetic diversity and phenotypic *** a library of SVs discovered from long-read primary assemblies and short-read sequenced genomes,we map pig genomic SVs with a graph-based method for re-genotyping SVs in 402 *** results demonstrate that those SVs harboring specific trait-associated genes may greatly shape pig domestication and local *** characterization of SVs reveals that some population-stratified SVs may alter the transcription of genes by affecting regulatory *** identify that the genotypes of two DELs(296-bp DEL,chr7:52,172,101e52,172,397;278-bp DEL,chr18:23,840,143 e23,840,421)located in muscle-specific enhancers are associated with the expression of target genes related to meat quality(FSD2)and muscle fiber hypertrophy(LMOD2 and WASL)in *** results highlight the role of SVs in domestic porcine evolution,and the identified candidate functional genes and SVs are valuable resources for future genomic research and breeding programs in pigs.

关键词： Pigs Structural variation Selection signatures Regulatory elements

Evolutionary genomics of climatic adaptation and resilience to climate change in alfalfa

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Molecular Plant 2024年第6期17卷 867-883页

作者： Fan Zhang Ruicai Long Zhiyao Ma Hua Xiao Xiaodong Xu Zhongjie Liu Chunxue Wei Yiwen Wang Yanling Peng Xuanwen Yang Xiaoya Shi Shuo Cao Mingna Li Ming Xu Fei He Xueqian Jiang Tiejun Zhang Zhen Wang Xianran Li Long-Xi Yu Junmei Kang Zhiwu Zhang Yongfeng Zhou Qingchuan Yang Institute of animal Science Chinese Academy of Agricultural SciencesBeijing 100193China National key laboratory of Tropical Crop Breeding Shenzhen BranchGuangdong Laboratory of Lingnan Modern AgricultureKey Laboratory of Synthetic BiologyMinistry of Agriculture and Rural AffairsAgricultural Genomics Institute at ShenzhenChinese Academy of Agricultural SciencesShenzhen 518000China School of Grassland Science Beijing Forestry UniversityBeijing 100083China Department of Agronomy and Horticulture University of Nebraska-LincolnLincolnNE 68583USA Department of Crop and Soil Sciences Washington State UniversityPullmanWA 99163USA U.S.Department of Agriculture-Agricultural Research Service Plant Germplasm Introduction and Testing ResearchProsserWA 99350USA National key laboratory of Tropical Crop Breeding Tropical Crops Genetic Resources InstituteChinese Academy of Tropical Agricultural SciencesHaikou 571101China

Given the escalating impact of climate change on agriculture and food security,gaining insights into the evolutionary dynamics of climatic adaptation and uncovering climate-adapted variation can empower the breeding of climate-resilient crops to face future climate ***(Medicago sativa ***),the queen of forages,shows remarkable adaptability across diverse global environments,making it an excellent model for investigating species responses to climate *** this study,we performed population genomic analyses using genome resequencing data from 702 accessions of 24 Medicago species to unravel alfalfa’s climatic adaptation and genetic susceptibility to future climate *** found that interspecific genetic exchange has contributed to the gene pool of alfalfa,particularly enriching defense and stress-response *** introgression between *** ***(***)and alfalfa not only aids alfalfa’s climatic adaptation but also introduces genetic burden.A total of 1671 genes were associated with climatic adaptation,and 5.7%of them were introgressions from *** integrating climate-associated variants and climate data,we identified populations that are vulnerable to future climate change,particularly in higher latitudes of the Northern *** findings serve as a clarion call for targeted conservation initiatives and breeding *** also identified preadaptive populations that demonstrate heightened resilience to climate fluctuations,illuminating a pathway for future breeding ***,this study enhances our understanding about the local adaptation mechanisms of alfalfa and facilitates the breeding of climate-resilient alfalfa cultivars,contributing to effective agricultural strategies for facing future climate change.

关键词： Medicago local adaptation population genetics adaptive introgression genetic vulnerability alfalfa breeding