Genome-wide association study identifies markers associated with carcass and meat quality traits in Italian Large White pigs

被引：15

作者：

Fabbri, M. C. ^{[1
]}

Zappaterra, M. ^{[1
]}

Davoli, R. ^{[1
]}

Zambonelli, P. ^{[1
]}

机构：

[1] Bologna Univ, Dept Agr & Food Sci DISTAL, Viale G Fanin 46, I-40127 Bologna, Italy

来源：

ANIMAL GENETICS | 2020年 / 51卷 / 06期

关键词：

carcass traits; genetic markers; GWAS; meat quality; swine;

D O I：

10.1111/age.13013

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

A GWAS was performed using the genotypes obtained by PorcineSNP60 v2 BeadChip and 11 phenotypic traits (carcass lean meat percentage; backfat thickness; Longissimus thoracis muscle thickness; lightness; backfat thickness measured with caliper at the midline; meat pH measured at about 1 h post mortem and 24 h post mortem; CIEL*,a* andb* color parameters; and water-holding capacity). Three markers were associated with three of the phenotypic traits considered: M1GA0009592 (SSC7) with backfat thickness and lean meat content, DIAS0002910 (SSC6) and ALGA0109856 (SSC6) with water-holding capacity. The marker M1GA0009592, associated with backfat thickness, lies in a QTL region near the geneJARID2, which is a transcription factor also involved in the regulation of adipose-derived stem cell pluripotency. The results seem to indicate a possible role of these genomic regions in the regulation of pig carcass fatness (i.e. backfat at last rib) and water-holding capacity.

引用

页码：950 / 952

页数：3

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