Premium
Analysis of polymorphisms in the insulin‐like growth factor 1 receptor ( IGF1R ) gene from Japanese quail selected for body weight
Author(s) -
Moe H. H.,
Shimogiri T.,
Kamihiraguma W.,
Isobe H.,
Kawabe K.,
Okamoto S.,
Minvielle F.,
Maeda Y.
Publication year - 2007
Publication title -
animal genetics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.756
H-Index - 81
eISSN - 1365-2052
pISSN - 0268-9146
DOI - 10.1111/j.1365-2052.2007.01653.x
Subject(s) - single nucleotide polymorphism , biology , valine , allele , genotype , snp , quail , insulin like growth factor 1 receptor , insulin like growth factor , allele frequency , endocrinology , genetics , polymorphism (computer science) , medicine , gene , receptor , growth factor , amino acid
Summary Insulin‐like growth factor 1 receptor ( IGF1R ) is essential for the signalling of growth. In this study, we performed single nucleotide polymorphism (SNP) detection in the Japanese quail IGF1R coding region and an association study between SNPs and body weight in two lines (SS and LL) selected for large and small body weight. Of 21 SNPs obtained, a SNP at position AB292766:c.2293G>A led to the replacement of a valine with an isoleucine (V765I). The two lines were fixed for alternate alleles, with allele encoding valine fixed in the LL line. A significant effect of the SNP genotype was found on 10‐week body weight ( P < 0.01) and on 4‐ to 10‐week and 6‐ to 10‐week average daily gain ( P < 0.05) in the F 2 family obtained from lines LL and SS. In six populations maintained in Japan or France, the frequency of allele encoding valine was higher than the allele encoding isoleucine.