Release 56
(Apr 24, 2025)

Reference # 27236378 Details:

Authors:Kamiński S, Hering DM, Oleński K, Lecewicz M, Kordan W (Contact: stachel@uwm.edu.pl)
Affiliation:University of Warmia and Mazury, Department of Animal Biochemistry and Biotechnology, ul. M. Oczapowskiego 5, 10-718 Olsztyn, Poland
Title:Genome-wide association study for sperm membrane integrity in frozen-thawed semen of Holstein-Friesian bulls
Journal:Animal Reproduction Science, 2016, 170: 135-40 DOI: S0378-4320(16)30216-0
Abstract:

The aim of the study was to screen the entire bull genome to identify SNP markers and propose candidate genes potentially involved in the variation of sperm membrane integrity in Holstein-Friesian bulls. Two hundred eighty eight bulls kept in one AI center were included in the study. Each bull was genotyped for 54.001 Single Nucleotide Polymorpisms (SNP) by the Illumina BovineSNP50 BeadChip. Commercial straws of frozen-thawed semen were used for the evaluation of sperm plasma membrane integrity (SYBR-14/PI staining) and sperm mitochondrial function (JC1/PI staining). An additive model for Linear Regression Analysis was applied to estimate the effect of SNP marker for sperm membrane integrity (by the use of GoldenHelix SVS7 software). Five significant markers (encompassing 2,2 MB region located on chromosome 6) for SYBR-14/PI were found. Among them one marker-rs41570391 passed Bonferroni correction test. Within approximately 3 Mb genomic region including significant markers three candidate genes: SGMS2 (Sphingomyelin Synthase 2), TET2 (Methylcytosine dioxygenase 2) and GSTCD genes (Gluthatione S-transferase C terminal domain) were proposed as potentially involved in sperm membrane integrity in frozen-thawed semen of Holstein-Friesian bulls.

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