Probe-based association analysis identifies several deletions associated with average daily gain in beef cattle. 2019

Lingyang Xu, and Liu Yang, and Lei Wang, and Bo Zhu, and Yan Chen, and Huijiang Gao, and Xue Gao, and Lupei Zhang, and George E Liu, and Junya Li
Innovation Team of Cattle Genetic Breeding, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China. xulingyang@163.com.

BACKGROUND Average daily gain (ADG) is an important trait that contributes to the production efficiency and economic benefits in the beef cattle industry. The molecular mechanisms of ADG have not yet been fully explored because most recent association studies for ADG are based on SNPs or haplotypes. We reported a systematic CNV discovery and association analysis for ADG in Chinese Simmental beef cattle. RESULTS Our study identified 4912 nonredundant CNVRs with a total length of ~ 248.7 Mb, corresponding to ~ 8.9% of the cattle genome. Using probe-based CNV association, we identified 24 and 12 significant SNP probes within five deletions and two duplications for ADG, respectively. Among them, we found one common deletion with 89 kb imbedded in LHFPL Tetraspan Subfamily Member 6 (LHFPL6) at 22.9 Mb on BTA12, which has high frequency (12.9%) dispersing across population. CNV selection test using VST statistic suggested this common deletion may be under positive selection in Chinese Simmental cattle. Moreover, this deletion was not overlapped with any candidate SNP for ADG compared with previous SNPs-based association studies, suggesting its important role for ADG. In addition, we identified one rare deletion near gene Growth Factor Receptor-bound Protein 10 (GRB10) at 5.1 Mb on BTA4 for ADG using both probe-based association and region-based approaches. CONCLUSIONS Our results provided some valuable insights to elucidate the genetic basis of ADG in beef cattle, and these findings offer an alternative perspective to understand the genetic mechanism of complex traits in terms of copy number variations in farm animals.

UI MeSH Term Description Entries
D002417 Cattle Domesticated bovine animals of the genus Bos, usually kept on a farm or ranch and used for the production of meat or dairy products or for heavy labor. Beef Cow,Bos grunniens,Bos indicus,Bos indicus Cattle,Bos taurus,Cow,Cow, Domestic,Dairy Cow,Holstein Cow,Indicine Cattle,Taurine Cattle,Taurus Cattle,Yak,Zebu,Beef Cows,Bos indicus Cattles,Cattle, Bos indicus,Cattle, Indicine,Cattle, Taurine,Cattle, Taurus,Cattles, Bos indicus,Cattles, Indicine,Cattles, Taurine,Cattles, Taurus,Cow, Beef,Cow, Dairy,Cow, Holstein,Cows,Dairy Cows,Domestic Cow,Domestic Cows,Indicine Cattles,Taurine Cattles,Taurus Cattles,Yaks,Zebus
D000069466 Red Meat Meat such as beef, goat, pork, or lamb which contains more MYOGLOBIN than POULTRY or SEAFOOD. Lamb Meat,Veal,Beef,Lamb Meats,Meat, Lamb,Meat, Red,Meats, Lamb,Meats, Red,Red Meats
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001483 Base Sequence The sequence of PURINES and PYRIMIDINES in nucleic acids and polynucleotides. It is also called nucleotide sequence. DNA Sequence,Nucleotide Sequence,RNA Sequence,DNA Sequences,Base Sequences,Nucleotide Sequences,RNA Sequences,Sequence, Base,Sequence, DNA,Sequence, Nucleotide,Sequence, RNA,Sequences, Base,Sequences, DNA,Sequences, Nucleotide,Sequences, RNA
D015430 Weight Gain Increase in BODY WEIGHT over existing weight. Gain, Weight,Gains, Weight,Weight Gains
D017384 Sequence Deletion Deletion of sequences of nucleic acids from the genetic material of an individual. Deletion Mutation,Deletion Mutations,Deletion, Sequence,Deletions, Sequence,Mutation, Deletion,Mutations, Deletion,Sequence Deletions
D051383 GRB10 Adaptor Protein A binding partner for several RECEPTOR PROTEIN-TYROSINE KINASES, including INSULIN RECEPTOR and INSULIN-LIKE GROWTH FACTOR RECEPTOR. It contains a C-terminal SH2 DOMAIN and mediates various SIGNAL TRANSDUCTION pathways. Growth Factor Receptor-Bound Protein 10,GRB10 Protein,Maternally Expressed Gene 1 Protein,Growth Factor Receptor Bound Protein 10
D055106 Genome-Wide Association Study An analysis comparing the allele frequencies of all available (or a whole GENOME representative set of) polymorphic markers to identify gene candidates or quantitative trait loci associated with a specific organism trait or specific disease or condition. Genome Wide Association Analysis,Genome Wide Association Study,GWA Study,Genome Wide Association Scan,Genome Wide Association Studies,Whole Genome Association Analysis,Whole Genome Association Study,Association Studies, Genome-Wide,Association Study, Genome-Wide,GWA Studies,Genome-Wide Association Studies,Studies, GWA,Studies, Genome-Wide Association,Study, GWA,Study, Genome-Wide Association
D056915 DNA Copy Number Variations Stretches of genomic DNA that exist in different multiples between individuals. Many copy number variations have been associated with susceptibility or resistance to disease. Copy Number Polymorphism,DNA Copy Number Variant,Copy Number Changes, DNA,Copy Number Polymorphisms,Copy Number Variants, DNA,Copy Number Variation, DNA,DNA Copy Number Change,DNA Copy Number Changes,DNA Copy Number Polymorphism,DNA Copy Number Polymorphisms,DNA Copy Number Variants,DNA Copy Number Variation,Polymorphism, Copy Number,Polymorphisms, Copy Number
D020641 Polymorphism, Single Nucleotide A single nucleotide variation in a genetic sequence that occurs at appreciable frequency in the population. SNPs,Single Nucleotide Polymorphism,Nucleotide Polymorphism, Single,Nucleotide Polymorphisms, Single,Polymorphisms, Single Nucleotide,Single Nucleotide Polymorphisms

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