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Relationships between the mutations of the goat GATA binding protein 4 gene and growth traits
Xin Li1, Zhiying Wang1, Qian Wang1
1College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China.
Abstract:
Osteogenesis is a complex multilevel process regulated by multiple genes. The GATA binding protein 4 (GATA4) gene has been extensively studied for its pivotal role in bone genesis and bone differentiation. However, its relationship with the growth traits of Shaanbei white cashmere (SBWC) and Guizhou black (GB) goats remains unclear. This work aims to investigate the potential influence of genetic mutations in the GATA4 gene on the growth traits goats. Thus, two Insertion/deletion (InDel) polymorphisms (8-bp-InDel and 9-bp-InDel) were screened and detected in a total of 1161 goats (including 980 SBWC goats and 181 GB goats) using PCR and agarose gel electrophoresis. The analyses revealed that there were two genotypes (ID and DD) for these two loci. In SBWC goats, 8-bp-InDel and 9-bp-InDel loci were significantly associated with heart girth (HG) and hip width (HW). Notably, individuals with DD genotype of 8-bp-InDel locus were superior while those with DD genotype of 9-bp-InDel locus were inferior. Correlation analyses of the four combined genotypes revealed significant associations with cannon circumference (CC), body height (BH), HG and HW. This work provides a foundation for the application of molecular marker-assisted selection (MAS) in goat breeding programs. Furthermore, the findings highlight the potential of the GATA4 gene and its genetic variations as valuable indicators for selecting goats with desirable growth traits.
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