Development and Validation of 58K SNP-Array and High-Density Linkage Map in Nile Tilapia (O. niloticus).

ABSTRACT: Despite being the second most important aquaculture species in the world accounting for 7.4% of global production in 2015, tilapia aquaculture has lacked genomic tools like SNP-arrays and high-density linkage maps to improve selection accuracy and accelerate genetic progress. In this paper, we describe the development of a genotyping array containing more than 58,000 SNPs for Nile tilapia (Oreochromis niloticus). SNPs were identified from whole genome resequencing of 32 individuals from the commercial population of the Genomar strain, and were selected for the SNP-array based on polymorphic information content and physical distribution across the genome using the Orenil1.1 genome assembly as reference sequence. SNP-performance was evaluated by genotyping 4991 individuals, including

SUBMITTER: Joshi R 

PROVIDER: S-EPMC6196754 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature