ArticleTropical animal health and production2024
Polymorphism detection and characterization of sperm cells chromatin remodeling associated genes in Murrah buffalo.
Article in Tropical animal health and production, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Seasonal variations significantly impact buffalo bull semen production and quality, particularly during the summer months. Understanding the genetic basis of these changes is important for managing bull fertility and improving sperm quality. The present study focused on characterizing and identifying polymorphisms in chromatin remodeling genes, protamines (PRMs) and Transition Nuclear Proteins (TNPs) in Murrah buffalo bulls with varying semen quality due to seasonal effects. Our findings revealed none of the coding region variation in PRM1, PRM2, TNP1, and TNP2, these genes are highly conserved in buffalo. Two intronic variants were identified, including G16C in PRM1 intron 1 and intronic SNP in PRM2 intron 1 (G96A). The complete CDS of consensus sequence of bubaline PRM1 was 86.3% identical and 94.1% similar to the bovine PRM1. Whereas the complete CDS of consensus sequence of bubaline TNP2 was 78.2% identical and 91.0% similar to bovine TNP2. Further, no statistically significant differences in the fold change of TNP1, TNP2, PRM1, and PRM2 levels between the hot summer SNA and SA groups and the winter SNA and SA groups This study represents the first comprehensive report on the characterization of bubaline PRM1 (complete CDS), PRM2 (partial CDS), TNP1 (partial CDS), and TNP2 (complete CDS) genes in buffalo sperm cells. Results of the study, clearly indicate that the genes associated with protamine (PRM1 and TNP2) are highly conserved in Bubalus bubalis. Understanding these genetic underpinnings can have implications for improving buffalo bull fertility and semen quality.
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