712
Selection Signatures in Canchim Beef Cattle

Monday, August 18, 2014
Posters (The Westin Bayshore)
Ismael Urbinati , Univ Estadual Paulista Julio de Mesquita Filho, Jaboticabal, Brazil
Marcos E Buzanskas , Univ Estadual Paulista Julio de Mesquita Filho, Jaboticabal, Brazil
Tatiane C S Chud , Univ Estadual Paulista Julio de Mesquita Filho, Jaboticabal, Brazil
Fabiana B. Mokry , Universidade Federal de São Carlos, São Carlos, Brazil
Luciana C Almeida Regitano , Embrapa Southeast Livestock, Sao Carlos, Brazil
Roberto H Higa , Embrapa Informática Agropecuária, Campinas, Brazil
Danísio P. Munari , Universidade Estadual Paulista "Júlio de Mesquita Filho", Jaboticabal, Brazil
Abstract Text:  Selection signature (SS) was assessed in this study by means of the integrated haplotype score (iHS) method, which determines the decay of homozygosity in the surroundings of a core single nucleotide polymorphism (SNP) marker. Canchim breed animals were genotyped using the Illumina BovineHD BeadChip; which has almost 800 thousand SNP markers. Genotype quality control (QC) was applied to exclude SNP with genotype calling score lower than 0.20; SNP with minor allele frequency lower than 0.01; and call rate for SNP and samples which were lower than 0.95 and 0.90, respectively. Only autosomal SNPs with known genome position were used. After the QC, 687,655 SNPs and 396 samples remained for SS analysis. Signals of SS were detected on chromosomes 5, 6, 8, and 14, indicating that these regions are conserved through recent generations.

Keywords:

EHH

iHS

rehh package

See more of: Posters: Beef Cattle Breeding (Group 1)
See more of: Species Breeding: Beef cattle
<< Previous Abstract | Next Abstract >>