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Updated: Dec 12, 2025

Genetic Variant Detection in the CALR gene using High Resolution Melting Analysis
Published on: August 26, 2020
Distribution of the variant at AKIRIN2: c.*188G > A in Chinese cattle
Mingfei Zeng1, Kaixing Qu2, Quratulain Hanif3
1Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China.
Abstract:
Marbling score (MS), is an economically important trait in cattle. Previous results showed that a SNP (c.*188G > A) of akirin 2 (AKIRIN2) gene was associated with MS in Japanese Black cattle and Korean cattle. However, the distribution of the genotypic frequency of the single nucleotide polymorphism (SNP) has not been explored in Chinese cattle. In this study, we used polymerase chain reaction (PCR) and DNA sequencing to detect the variation in 1296 individuals from 39 Chinese cattle breeds, one semi-wild bovine species (Dulong) and three introduced breeds (Angus, Holstein and Brahman). Our study found the frequency of the A allele at this locus roughly diminished from north to south in Chinese cattle, and we detected statistically significant differences between Angus and Brahman (p < 0.05), Dulong and another two breeds (Angus and Holstein; p < 0.01) using Chi-Square Independence Test. Our results reflected the variation of AKIRIN2: c.*188G > A in Chinese cattle, which would help us better understand Chinese cattle genetic resources and provide reference for further research.
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