德保矮马X染色体选择信号筛选

doi:10.11843/j.issn.0366-6964.2015.12.006

Abstract

Abstract:

The study aimed to screen the selection signatures on X chromosome of Debao pony.The Illumina Equine 65K SNP BeadChip was used to perform a X-chromosomal scan on Debao pony，Yili horses and Mongolian horses and obtain 2 339 SNPs with high quality.The result showed that，based on these SNPs，we detected 2 regions(4.0-39.9 and 87.1-123.5 Mb) under strong selection on the X chromosome of Debao pony by 2 different methods，F_ST and XP-EHH.The 2 detected regions contained 64 outliers overlapping genes including BCOR，PHEX，PNPLA4 and GPC3，which are related to the body size and the bone development.The results indicate that genes associated with growth on X chromosome are subject to strong artificial selection pressure during the breeding of the smallest Chinese pony.A few of them are not reported before and could be important candidate genes in future study.

CLC Number:

S821
S821.21

LIU Xue-xue，ADLIJIANG Halik，DONG Kun-zhe，WANG Yue-yue，PAN Jian-fei，PU Ya-bin，HE Xiao-hong，MA Yue-hui，JIANG Lin. Detecting Selection Signatures on X Chromosome of Debao Pony[J]. ACTA VETERINARIA ET ZOOTECHNICA SINICA, 2015, 46(12): 2161-2168.

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Detecting Selection Signatures on X Chromosome of Debao Pony

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