Journal
VETERINARSKI ARHIV
Volume 92, Issue 5, Pages 577-590Publisher
UNIV ZAGREB VET FACULTY
DOI: 10.24099/vet.arhiv.1736
Keywords
Chinese water buffalo (Bubalus bubalis); ARID4A; sperm quality; single-nucleotide polymorphisms
Categories
Funding
- Education Department of Jilin Province
- [JJKH20210008KJ]
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This study examined the association between ARID4A gene polymorphisms and sperm quality traits in Chinese water buffalo. Multiple single-nucleotide polymorphisms (SNPs) were identified and six of them were found to be associated with at least one sperm quality trait. Additionally, haplotype analysis revealed potential molecular markers for selecting semen with specific traits. The findings highlight the significance of ARID4A gene SNPs in the marker-assisted selection of buffalo breeding.
ARID4A (AT-rich interaction domain 4A) is closely related to animal sperm quality traits. In the present study, the association between ARID4A gene polymorphisms of Chinese water buffalo (Bubalus bubalis) with sperm quality traits was examined, including ejaculate volume, sperm concentration, post-thaw sperm motility, and sperm abnormality of buffalo semen. Seven single-nucleotide polymorphisms (SNPs) ofARID4A gene were detected in 156 Chinese water buffaloes by Sanger sequencing and identifying overlap peaks. Among the SNPs, six were associated with at least one sperm quality trait. In brief, g.21192G>C, g.21285C>G, and g.21364A>G could be used as potential markers for selecting semen with low sperm abnormality, high ejaculate volume, sperm concentration, and sperm motility. Furthermore, 10 haplotypes (H1:-CTCGG, H2: GTGGCA, H3: GCGGCA, H4: GCTGCA, H5: GCTCGA, H6: GTGGGG, H7: GCTCCG, H8:-CGGGA, H9: GCGGCG, and H10: GTTGCA) were formed by the six SNPs through linkage disequilibrium analysis, and then 14 different combined haplotypes were collected. Correlation analysis showed that the combined H1H2 haplotype had the highest genotype frequency. Notably, the combined H1H2 haplotype had low sperm concentration, low sperm motility, and high sperm abnormality. The combined H2H3 haplotype could be used as a potential molecular marker for selecting semen with high sperm motility. In general, we illustrated a significant correlation between SNPs in ARID4A and sperm quality traits of Chinese water buffalo, which may be useful in the marker-assisted selection of buffalo breeding. This study was the first to analyze the genetic polymorphisms ofARID4A and association with sperm qualities of Chinese buffalo.
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