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Genome-wide association study identifies quantitative trait loci affecting cattle temperament

Zoological Research 2022年第1期43卷 14-25页

作者： Jia-Fei Shen Qiu-Ming Chen Feng-Wei Zhang Quratulain Hanif Bi-Zhi Huang Ning-Bo Chen Kai-Xing Qu Jing-Xi Zhan Hong Chen Yu Jiang Chu-Zhao Lei Key Laboratory of Animal Genetics Breeding and Reproduction of Shaanxi ProvinceCollege of Animal Science and TechnologyNorthwest A&F UniversityYanglingShaanxi 712100China College of Animal Science Xinjiang Agricultural UniversityUrumqiXinjiang 830052China National Institute for Biotechnology and Genetic Engineering Pakistan Institute of Engineering and Applied SciencesFaisalabad 577Pakistan Yunnan Academy of Grassland and Animal Science KunmingYunnan 650212China Academy of Science and Technology Chuxiong Normal UniversityChuxiongYunnan 675000China

cattle temperament is an interesting trait due to its correlation with production efficiency,labor safety,and animal *** date,however,its genetic basis is not clearly ***,we performed a genome-wide association study for a series of temperament traits in cattle,assessed with via open field and novel object tests,using autosomal single nucleotide polymorphisms(SNPs)derived from the whole-genome *** identified 37 and 29 genome-wide significant loci in the open field and novel object tests,*** set analysis revealed the most significant pathway was the neuroactive ligand-receptor interaction pathway,which may be essential for emotional control in *** of the expression levels of 18 tissue-specific genes based on transcriptomic data showed enrichment in the brain,with some candidate genes involved in psychiatric and neurodegenerative diseases in *** on principal component analysis,the first principal component explained the largest variance in the open field and novel object test data,and the most significant loci were assigned to SORCS3 and SESTD1,*** findings should help facilitate cattle breeding for sound temperament by pyramiding favorable alleles to further improve cattle production.

关键词： cattle temperament Open field test Novel object test SORCS3 SESTD1

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