Correlation of Polymorphism of AQP7 Gene with the Sperm Cells Quality Traits of the Polish Holstein Friesian Bulls
Correlation of Polymorphism of AQP7 Gene with the Sperm Cells Quality Traits of the Polish Holstein Friesian Bulls
Alicja Kowalczyk1*, Inga Kowalewska-Łuczak2, Ewa Czerniawska-Piątkowska3*, Jesús Juan Cantalapiedra4, Joaquim Orlando Lima Cerqueira5,6 and José Pedro Pinto de Araújo5,7
ABSTRACT
The purpose of this study was to evaluate whether single nucleotide substitutions within exon 4 of the quality of AQP7 gene may affect the sperm cells of Polish Holstein-Friesian bulls. The research material was biological material (semen and blood) collected from 60 Holstein-Friesian bulls of the same age. The nucleotide substitutions analyzed are located in exon 4 of the AQP7 gene and are responsible for missense mutations. Individual genotypes were determined using the PCR-RFLP method. Evaluation of sperm quality in terms of concentration, volume, motility, and sperm viability was performed using photometry, flow cytometry, and a computer assisted sperm analyzer. The above studies indicate that all four nucleotide substitutions analyzed in exon 4 of AQP7 gene affect the individual quality characteristics of the analyzed semen of Holstein-Friesian bulls.
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