Development and evaluation of the first high-throughput SNP array for common carp (Cyprinus carpio)
文献类型: 外文期刊
第一作者: Xu, Jian
作者: Xu, Jian;Zhao, Zixia;Li, Jiongtang;Jiang, Yanliang;Zhang, Yan;Li, Qiang;Zhu, Yuanyuan;Liu, Yuanyuan;Xu, Peng;Sun, Xiaowen;Zhang, Xiaofeng;Zheng, Xianhu;Kuang, Youyi;Sun, Xiaowen;Feng, Jianxin;Li, Chuangju;Yu, Juhua;Xu, Peng
作者机构:
关键词: SNP array;Affymetrix;Re-sequencing;Linkage disequilibrium;Identity by state;Cyprinus carpio;Common carp;Cyprinidae
期刊名称:BMC GENOMICS ( 影响因子:3.969; 五年影响因子:4.478 )
ISSN: 1471-2164
年卷期: 2014 年 15 卷
页码:
收录情况: SCI
摘要: Background: A large number of single nucleotide polymorphisms (SNPs) have been identified in common carp (Cyprinus carpio) but, as yet, no high-throughput genotyping platform is available for this species. C. carpio is an important aquaculture species that accounts for nearly 14% of freshwater aquaculture production worldwide. We have developed an array for C. carpio with 250,000 SNPs and evaluated its performance using samples from various strains of C. carpio. Results: The SNPs used on the array were selected from two resources: the transcribed sequences from RNA-seq data of four strains of C. carpio, and the genome re-sequencing data of five strains of C. carpio. The 250,000 SNPs on the resulting array are distributed evenly across the reference C. carpio genome with an average spacing of 6.6 kb. To evaluate the SNP array, 1,072 C. carpio samples were collected and tested. Of the 250,000 SNPs on the array, 185,150 (74.06%) were found to be polymorphic sites. Genotyping accuracy was checked using genotyping data from a group of full-siblings and their parents, and over 99.8% of the qualified SNPs were found to be reliable. Analysis of the linkage disequilibrium on all samples and on three domestic C. carpio strains revealed that the latter had the longer haplotype blocks. We also evaluated our SNP array on 80 samples from eight species related to C. carpio, with from 53,526 to 71,984 polymorphic SNPs. An identity by state analysis divided all the samples into three clusters; most of the C. carpio strains formed the largest cluster. Conclusions: The Carp SNP array described here is the first high-throughput genotyping platform for C. carpio. Our evaluation of this array indicates that it will be valuable for farmed carp and for genetic and population biology studies in C. carpio and related species.
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