Polymorphism of the melatonin receptor MT1 gene and its relationship with seasonal reproductive activity in the Sarda sheep breed

作者: V. Carcangiu , M.C. Mura , G.M. Vacca , M. Pazzola , M.L. Dettori

DOI: 10.1016/J.ANIREPROSCI.2009.01.005

关键词: Locus (genetics)GenotypeMelatonin receptorDomestic sheep reproductionMelatonin receptor 1ASardaGeneticsMelatoninBiologyAndrologyExon

摘要: Abstract The aim was to study the polymorphisms of melatonin receptor 1A gene ( MTNR1A ) and its relationship with seasonal reproduction in Sarda sheep breed. Four-thousand multiparous ewes reared under natural photoperiod were randomly chosen. Genomic DNA extracted subjected PCR for amplification main part exon II ovine (GenBank P locus also present a higher incidence +/+ C/C genotypes. animals that carried one these two isoforms showed not reproductive activity lambing period September–December.

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