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Ancient mitochondrial genome depicts sheep maternal dispersal and migration in Eastern Asia

Journal of Genetics and Genomics 2024年第1期51卷 87-95页

作者： Liu Yang Xing Zhang Yaning Hu Piao Zhu Hua Li Zhenyu Peng Hai Xiang Xinying Zhou Xingbo Zhao National engineering laboratory for animal breeding Key Laboratory of AnimalGeneticsBreeding and ReproductionMinistry of Agriculture and Rural AffairsCollege of Animal Science and TechnologyChina Agricultural UniversityBeijing 100193China Guangdong Provincial key laboratory of animal molecular Design and Precise breeding School of Life Science and EngineeringFoshan UniversityFoshanGuangdong 528225China State key laboratory of Agricultural Genomics BGI-ShenzhenShenzhenGuangdong 518083China key laboratory of Vertebrate Evolution and Human Origins Institute of Vertebrate Paleontology and PaleoanthropologyChinese Academy of SciencesBeijing 100044China

Sheep have been one of the most important groups of animals since ancient ***,the knowledge of their migration routes and genetic relationships is still poorly *** investigate sheep maternal migration histories alongside Eurasian communications routes,in this study,we obtain mitochondrial genomes(mitogenomes)from 17 sheep remains in 6 Chinese sites and 1 Uzbekistan site dated 4429–3100 years before present(BP).By obtaining the mitogenomes from the sheep(4429–3556 BP)found in the Tongtian Cave site in Xinjiang,Altai region of northwest China,our results support the emergence of haplogroup C sheep in Xinjiang as early as 4429–3556 *** combined phylogenetic analyses with extant ancient and modern sheep mitogenomes suggest that the Uzbekistan-Altai region may have been a migration hub for early sheep in eastern *** least two migration events have taken place for sheep crossing Eurasia to China,one passing by Uzbekistan and Northwest China to the middle and lower reaches of the Yellow River at approximately 4000 BP and another following the Altai region to middle Inner Mongolia from 4429 BP to 2500 ***,this study provides further evidence for early sheep utilization and migration patterns in Eastern Asia.

关键词： Sheep Ancient DNA Eastern Asia Mitochondrial genome Migration Altai

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Large‑scale transcriptomic and genomic analyses reveal a novel functional gene SERPINB6 for chicken carcass traits

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Journal of animal Science and Biotechnology 2024年第4期15卷 1466-1481页

作者： Di Zhao Ranran Liu Xiaodong Tan Huimin Kang Jie Wang Zheng Ma Haiquan Zhao Hai Xiang Zhengfen Zhang Hua Li Guiping Zhao Guangdong Provincial key laboratory of animal molecular Design and Precise breeding School of Life Science and EngineeringFoshan UniversityFoshanChina State key laboratory of animal Biotech breeding Institute of Animal SciencesChinese Academy of Agricultural SciencesBeijingChina Guangdong Tinoo’s Foods Group Co. Ltd.QingyuanChina

Background Carcass traits are crucial indicators of meat production ***,the molecular regulatory mechanisms associated with these traits remain *** In this study,we conducted comprehensive transcriptomic and genomic analyses on 399 Tiannong partridge chickens to identify key genes and variants associated with carcass traits and to elucidate the underlying regulatory *** on association analyses with the elastic net(EN)model,we identified 12 candidate genes(AMY1A,AP3B2,CEBPG,EEF2,EIF4EBP1,FGFR1,FOXD3,GOLM1,LOC107052698,PABPC1,SERPINB6 and TBC1D16)for 4 carcass-related traits,namely live weight,dressed weight,eviscerated weight,and breast muscle ***6 was identified as the only overlapping gene by 3 analyses,EN model analysis,weighted gene co-expression network analysis and differential expression ***-level experiments confirmed that SERPINB6 promotes the proliferation of chicken DF1 cells and primary *** expression genome-wide association study and association analysis indicated that rs317934171 is the critical site that enhances SERPINB6 ***,a dual-luciferase reporter assay proved that gga-miR-1615 targets the 3′UTR of *** Collectively,our findings reveal that SERPINB6 serves as a novel gene for chicken carcass traits by promoting fibroblast and myoblast ***,the downstream variant rs317934171 regulates SERPINB6 *** results identify a new target gene and molecular marker for the molecular mechanisms of chicken carcass traits.

关键词： Carcass traits Chicken Genome SERPINB6 Transcriptome

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Dynamic intrauterine crosstalk promotes porcine embryo implantation during early pregnancy

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Science China(Life Sciences) 2024年第8期67卷 1676-1696页

作者： Xupeng Zang Shengchen Gu Wenjing Wang Junsong Shi Jianyu Gan Qun Hu Chen Zhou Yue Ding Yanjuan He Lei Jiang Ting Gu Zheng Xu Sixiu Huang Huaqiang Yang Fanming Meng Zicong Li Gengyuan Cai Linjun Hong Zhenfang Wu State key laboratory of Swine and Poultry breeding Industry National Engineering Research Center for Breeding Swine IndustryCollege of Animal ScienceSouth China Agricultural UniversityGuangzhou 510642China Guangdong Provincial key laboratory of Agro-animal Genomics and molecular breeding South China Agricultural UniversityGuangzhou 510642China Yunfu Subcenter of Guangdong laboratory for Lingnan Modern Agriculture Yunfu 527300China Guangdong key laboratory of animal breeding and Nutrition Institute of Animal ScienceGuangdong Academy of Agricultural SciencesGuangzhou 510640China key laboratory of South China Modern Biological Seed Industry Ministry of Agriculture and Rural AffairsGuangzhou 510520China

Dynamic crosstalk between the embryo and mother is crucial during ***,we comprehensively profile the single-cell transcriptome of pig peri-implantation embryos and corresponding maternal endometrium,identifying 4 different lineages in embryos and 13 cell types in the ***-specific gene expression characterizes 4 distinct trophectoderm subpopulations,showing development from undifferentiated trophectoderm to polar and mural *** expression of genes in different types of endometrial cells illustrates their molecular response to embryos during ***,we developed a novel tool,ExtraCellTalk,generating an overall dynamic map of maternal-foetal crosstalk using uterine luminal proteins as *** cross-species comparisons,we identified a conserved RBP4/STRA6 pathway in which embryonic-derived RBP4 could target the STRA6 receptor on stromal cells to regulate the interaction with other endometrial *** results provide insight into the maternal-foetal crosstalk during embryo implantation and represent a valuable resource for further studies to improve embryo implantation.

关键词： endometrial remodeling ExtraCellTalk implantation maternal-foetal crosstalk trophoblast

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KLF4 facilitates chromatin accessibility remodeling in porcine early embryos

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Science China(Life Sciences) 2024年第1期67卷 96-112页

作者： Wei Zhu Guowei Bu Ruifeng Hu Jixiang Zhang Lianyong Qiao Kai Zhou Tingting Wang Qiao Li Jingjing Zhang Linhui Wu Yali Xie Taotao Hu Shichun Yang Jiaqi Guan Xiaoyu Chu Juanjuan Shi Xia Zhang Falong Lu Xin Liu Yi-Liang Miao Institute of Stem Cell and Regenerative Biology College of Animal Science and Veterinary MedicineHuazhong Agricultural UniversityWuhan 430070China key laboratory of Agricultural animal Genetics Breeding and Reproduction(Huazhong Agricultural University)Ministry of EducationWuhan 430070China State key laboratory of molecular Developmental Biology Institute of Genetics and Developmental BiologyInnovative Academy of Seed DesignChinese Academy of SciencesBeijing 100101China Frontiers Science Center for animal breeding and Sustainable Production Huazhong Agricultural UniversityWuhan 430070China hubei Hongshan laboratory Wuhan 430070China

Chromatin accessibility remodeling driven by pioneer factors is critical for the development of early *** studies have illustrated several pioneer factors as being important for agricultural animals,but what are the pioneer factors and how the pioneer factors remodel the chromatin accessibility in porcine early embryos is not *** employing low-input DNase-seq(liDNase-seq),we profiled the landscapes of chromatin accessibility in porcine early embryos and uncovered a unique chromatin accessibility reprogramming pattern during porcine preimplantation *** data revealed that KLF4 played critical roles in remodeling chromatin accessibility in porcine early *** down of KLF4 led to the reduction of chromatin accessibility in early embryos,whereas KLF4 overexpression promoted the chromatin openness in porcine ***,KLF4 deficiency resulted in mitochondrial dysfunction and developmental failure of porcine *** addition,we found that overexpression of KLF4 in blastocysts promoted lipid droplet accumulation,whereas knockdown of KLF4 disrupted this *** together,our study revealed the chromatin accessibility dynamics and identified KLF4 as a key regulator in chromatin accessibility and cellular metabolism during porcine preimplantation embryo development.

关键词： porcine embryos liDNase-seq chromatin accessibility KLF4 mitochondrion lipid droplets

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Genome-wide association study identifies 12 new genetic loci associated with growth traits in pigs

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Journal of Integrative Agriculture 2024年第1期23卷 217-227页

作者： Mu Zeng Binhu Wang Lei Liu Yalan Yang Zhonglin Tang Guangdong Provincial key laboratory of animal molecular Design and Precise breeding/key laboratory of animal molecular Design and Precise breeding of Guangdong Higher Education Institutes School of Life Science and EngineeringFoshan UniversityFoshan 528231China Kunpeng Institute of Modern Agriculture at Foshan Agricultural Genomics Institute at ShenzhenChinese Academy of Agricultural SciencesFoshan 528200China Shenzhen Branch Guangdong Laboratory of Lingnan Modern Agriculture/Key Laboratory of Livestock and Poultry Multi-omics of Ministry of Agriculture and Rural AffairsAgricultural Genomics Institute at ShenzhenChinese Academy of Agricultural SciencesShenzhen 518124China

Growth traits are among the most important economic traits in pigs and are regulated by polygenes with complex regulatory *** the major indicators of growth performance,the backfat thickness(BFT),loin eye area(LEA),and days to 100 kg(D100)traits are commonly used to the genetics improvement in ***,the available genetic markers for these traits are *** uncover novel loci and candidate genes associated with growth performance,we collected the phenotypic information of BFT,LEA,and D100 in 1,186 pigs and genotyped all these individuals using the Neogen GGP porcine 80K *** performed a genome-wide association study(GWAS)using 4 statistical models,including mixed linear models(MLM),fixed and random model circulating probability unification(FarmCPU),settlement of MLM under progressively exclusive relationships(SUPER),Bayesian-information and linkage-disequilibrium Iteratively nested keyway(Blink),and identified 5,3,and 6 high-confidence single nucleotide polymorphisms(SNPs)associated with BFT,LEA,and D100,*** annotation and quantitative trait locus(QTL)mapping analysis suggested that6 genes(SKAP2,SATB1,PDE7B,PPP1R16B,WNT3,and WNT9B)were potentially associated with growth performance in *** analysis suggested that the expression of Src Kinase Associated Phosphoprotein 2(SKAP2)was higher in prenatal muscles than in postnatal muscles,and the expression of Phosphodiesterase 7B(PDE7B)continuously increased during the prenatal stages and gradually decreased after birth,implying their potential roles in prenatal skeletal muscle ***,this study provides new candidate loci and genes for the genetic improvement of pigs.

关键词： GWAS pig growth trait QTL mapping skeletal muscle

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Diet and monensin influence the temporal dynamics of the rumen microbiome in stocker and finishing cattle

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Journal of animal Science and Biotechnology 2024年第2期15卷 733-748页

作者： Jianmin Chai Caleb P.Weiss Paul A.Beck Wei Zhao Ying Li Jiangchao Zhao Guangdong Provincial key laboratory of animal molecular Design and Precise breeding College of Life Science and EngineeringFoshan UniversityFoshanChina Division of Agriculture Department of Animal ScienceUniversity of ArkansasFayettevilleARUSA Department of animal and Food Sciences Oklahoma State UniversityStillwaterOKUSA Institute of Feed Research of Chinese Academy of Agricultural Sciences Key Laboratory of Feed Biotechnology of the Ministry of Agriculture and Rural AffairsBeijing 100193China

Background Stocker cattle diet and management influence beef cattle performance during the finishing stage,but knowledge of the dynamics of the rumen microbiome associated with the host are lacking.A longitudinal study was conducted to determine how the feeding strategy from the stocker to the finishing stages of production affects the temporal dynamics of rumen *** the stocker phase,either dry hay or wheat pasture were provided,and three levels of monensin were *** calves were then transported to a feedlot and received similar finishing diets with or without *** microbial samples were collected on d 0,28,85 during the stocker stage(S0,S28 and S85)and d 0,14,28,56,30 d before slaughter and the end of the trial during the finishing stage(F0,F14,F28,F56,Pre-Ba,and Final).The V4 region of the bacterial 16S rRNA gene of 263 rumen samples was *** Higher alpha diversity,including the number of observed bacterial features and the Shannon index,was observed in the stocker phase compared to the finishing *** bacterial amplicon sequence variants(ASVs)differentiating different sampling time points were *** treatments during the stocker stage temporally impact the dynamics of rumen *** example,shared bacteria,including Bacteroidales(ASV19)and Streptococcus infantarius(ASV94),were significantly higher in hay rumen on S28,S85,and F0,while Bacteroidaceae(ASV11)and Limivicinus(ASV15)were more abundant in *** affected rumen microbial composition at a specific *** to feedlot significantly influenced microbiome structure and diversity in hay-fed *** taxa associated with body weight were classified,and core microbiotas interacted with each other during the *** In summary,the temporal dynamics of the rumen microbiome in cattle at the stocker and finishing stage are influenced by multiple factors of the feeding *** at the stocker phase may t

关键词： Beef cattle Diet Feedlot phase Monensin Next-generation sequencing Rumen microbiota Stocker

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Composition,function,and timing:exploring the early‑life gut microbiota in piglets for probiotic interventions

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Journal of animal Science and Biotechnology 2024年第2期15卷 659-678页

作者： Jianping Quan Cineng Xu Donglin Ruan Yong Ye Yibin Qiu Jie Wu Shenping Zhou Menghao Luan Xiang Zhao Yue Chen Danyang Lin Ying Sun Jifei Yang Enqin Zheng Gengyuan Cai Zhenfang Wu Jie Yang College of animal Science and National engineering Research Center for breeding Swine Industry South China Agricultural UniversityGuangzhouGuangdongPeople’s Republic of China Guangdong Provincial key laboratory of Agro‑animal Genomics and molecular breeding South China Agricultural UniversityGuangzhouGuangdongChina Yunfu Subcenter of Guangdong laboratory for Lingnan Modern Agriculture YunfuGuangdongChina National engineering Research Center for breeding Swine Industry Wens Foodstuff Group Co.Ltd.YunfuGuangdongPeople’s Republic of China

Background The establishment of a robust gut microbiota in piglets during their early developmental stage holds the potential for long-term advantageous ***,the optimal timeframe for introducing probiotics to achieve this outcome remains *** In the context of this investigation,we conducted a longitudinal assessment of the fecal microbiota of 63 piglets at three distinct pre-weaning time ***,we gathered vaginal and fecal samples from 23 *** 16S rRNA gene and metagenomic sequencing methodologies,we conducted a comprehensive analysis of the fluctuation patterns in microbial composition,functional capacity,interaction networks,and colonization resistance within the gut microbiota of *** the piglets progressed in age,discernible modifications in intestinal microbial diversity,composition,and function were observed.A source-tracking analysis unveiled the pivotal role of fecal and vaginal microbiota derived from sows in populating the gut microbiota of neonatal *** D21,the microbial interaction network displayed a more concise and efficient configuration,accompanied by enhanced colonization resistance relative to the other two time ***,we identified three strains of Ruminococcus *** D10 as potential candidates for improving piglets’weight gain during the weaning *** The findings of this study propose that D10 represents the most opportune juncture for the introduction of external probiotic interventions during the early stages of piglet *** investigation augments our comprehension of the microbiota dynamics in early-life of piglets and offers valuable insights for guiding forthcoming probiotic interventions.

关键词： Colonization resistance Intestinal microbiota Piglet Weaning Weight gain

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Prescreening of large-effect markers with multiple strategies improves the accuracy of genomic prediction

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Journal of Integrative Agriculture 2024年第5期23卷 1634-1643页

作者： Keanning Li Bingxing An Mang Liang Tianpeng Chang Tianyu Deng Lili Du Sheng Cao Yueying Du Hongyan Li Lingyang Xu Lupei Zhang Xue Gao Junya LI Huijiang Gao laboratory of molecular Biology and Bovine breeding Institute of Animal SciencesChinese Academy of Agricultural SciencesBeijing 100193China Shaanxi key laboratory of molecular Biology for Agriculture College of Animal Science and TechnologyNorthwest A&F UniversityYangling712100China College of Computer and Information engineering Tianjin Agricultural UniversityTianjin 300384China College of animal Science and Technology Qingdao Agricultural UniversityQingdao 266109China Tongliao animal Agriculture Development Service Center Tongliao 028000China

Presently,integrating multi-omics information into a prediction model has become a ameliorate strategy for genomic selection to improve genomic prediction ***,we set the genomic and transcriptomic data as the training population data,using BSLMM,TWAS,and eQTL mapping to prescreen features according to |β_(b)|>0,top 1%of phenotypic variation explained(PVE),expression-associated single nucleotide polymorphisms(eSNPs),and egenes(false discovery rate(FDR)<0.01),where these loci were set as extra fixed effects(named GBLUP-Fix)and random effects(GFBLUP)to improve the prediction accuracy in the validation population,*** results suggested that both GBLUP-Fix and GFBLUP models could improve the accuracy of longissimus dorsi muscle(LDM),water holding capacity(WHC),shear force(SF),and pH in Huaxi cattle on average from 2.14 to 8.69%,especially the improvement of GFBLUP-TWAS over GBLUP was 13.66%for *** methods also captured more genetic variance than *** study confirmed that multi-omics-assisted large-effects loci prescreening could improve the accuracyofgenomic prediction.

关键词： multi-omics data features prescreening eQTL mapping Huaxi cattle genomic selection

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Versatile and efficient mammalian genome editing with Type I-C CRISPR System of Desulfovibrio vulgaris

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Science China Life Sciences 2024年

作者： Pan Li Dingcai Dong Fei Gao Yuyang Xie Honglin Huang Siwei Sun Zhao Ma Cheng He Jinsheng Lai Xuguang Du Sen Wu State key laboratory of animal Biotech breeding College of Biological SciencesNational Engineering Laboratory for Animal BreedingFrontiers Science Center for Molecular Design BreedingChina Agricultural University College of Veterinary Medicine China Agricultural University Sanya Institute of China Agricultural University State key laboratory of Maize Bio-breeding National Maize Improvement CenterDepartment of Plant Genetics and BreedingChina Agricultural University Frontiers Science Center for molecular Design breeding China Agricultural University Center for Crop Functional Genomics and molecular breeding China Agricultural University

CRISPR-Cas tools for mammalian genome editing typically rely on single Cas9 or Cas12a *** type I CRISPR systems in Class I may offer greater specificity and versatility,they are not well-developed for genome ***,we present an alternative type I-C CRISPR system from Desulfovibrio vulgaris (Dvu) for efficient and precise genome editing in mammalian cells and *** optimized the Dvu type I-C editing complex to generate precise deletions at multiple loci in various cell lines and pig primary fibroblast cells using a paired PAM-in crRNA *** edited pig cells can serve as donors for generating transgenic cloned *** Dvu type I-C editor also enabled precise large fragment replacements with homology-directed ***,we adapted the Dvu-Cascade effector for cytosine and adenine base editing,developing Dvu-CBE and Dvu-ABE *** systems efficiently induced C-to-T and A-to-G substitutions in human genes without double-strand ***-target analysis confirmed the high specificity of the Dvu type I-C *** findings demonstrate the Dvu type I-C editor′s potential for diverse mammalian genome editing applications,including deletions,fragment replacement,and base editing,with high efficiency and specificity for biomedicine and agriculture.

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Spatially resolved transcriptomic profiling of placental development in dairy cow

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Zoological Research 2024年第3期45卷 586-600页

作者： Guang-Hui Tan Shi-Jie Liu Ming-Le Dou De-Feng Zhao Ao Zhang Heng-Kuan Li Fu-Nong Luo Tao Shi Hao-Ping Wang Jing-Yuan Lei Yong Zhang Yu Jiang Yi Zheng Fei Wang key laboratory of animal Genetics Breeding and Reproduction of Shaanxi ProvinceCollege of Animal Science and TechnologyNorthwest A&F UniversityYanglingShaanxi 712100China key laboratory of Livestock Biology Northwest A&F UniversityYanglingShaanxi 712100China key laboratory of animal Biotechnology of the Ministry of Agriculture Northwest A&F UniversityYanglingShaanxi 712100China College of Information engineering Northwest A&F UniversityYanglingShaanxi 712100China

The placenta plays a crucial role in successful mammalian *** animals possess a semi-invasive placenta characterized by a highly vascularized structure formed by maternal endometrial caruncles and fetal placental cotyledons,essential for full-term fetal *** cow placenta harbors at least two trophoblast cell populations:uninucleate(UNC)and binucleate(BNC)***,the limited capacity to elucidate the transcriptomic dynamics of the placental natural environment has resulted in a poor understanding of both the molecular and cellular interactions between trophoblast cells and niches,and the molecular mechanisms governing trophoblast differentiation and *** fill this knowledge gap,we employed Stereo-seq to map spatial gene expression patterns at near single-cell resolution in the cow placenta at 90 and 130 days of gestation,attaining high-resolution,spatially resolved gene expression *** on clustering and cell marker gene expression analyses,key transcription factors,including YBX1 and NPAS2,were shown to regulate the heterogeneity of trophoblast cell *** communication and trajectory analysis provided a framework for understanding cell-cell interactions and the differentiation of trophoblasts into BNCs in the placental *** analysis of cell trajectories identified a set of genes involved in regulation of trophoblast ***,spatial modules and co-variant genes that help shape specific tissue structures were ***,these findings provide foundational insights into important biological pathways critical to the placental development and function in cows.

关键词： Spatial transcriptomics Dairy cow Placenta Gestation

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