Polymorphism of Pituitary-Specific Transcription Factor-1 (Pit-1) Gene at Locus (Pit-1-Hinf1) and its effects on dam body weight and milk production of local sheeps

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dc.creatorSumantri, C.
dc.creatorHerdiana, D.
dc.creatorFarajallah, A.
dc.creatorRahmat, D.
dc.date2013-05-08
dc.date.accessioned2018-06-04T06:47:16Z
dc.date.available2018-06-04T06:47:16Z
dc.date.issued2013-05-08
dc.descriptionPituitary-Specific Transcription Factor-1 (Pit-1) is a transcription factor with critical role in the transcriptional regulation of multiple genes in the pituitary. The objective of this research was to identify polymorphism of Pituitary-Specific Transcription Factor-1 (Pit-1) gene at Locus (Pit-1-Hinf1) and to investigate any possible associations of Pit-1 genotypes on dam body weight, milk production and milk quality in local sheep at the Jonggol Animal Science Teaching and Research Unit (JASTRU), Fact. Anim. Sci. Bogor. Agric. Univ. A total number of 161 blood samples were collected from 3 local sheep, namely Garut from Wanaraja (55 hd), Garut from Margawati (23 hd) and lactating ewes (83 hd) from JASTRU  farm in Bogor. Genomic DNAs were extracted by a standard phenol-chloroform protocol and amplified by a polymerase chain reaction (PCR) techniques, then PCR products were digested with a Hinf1 enzyme restriction. Fragments of Pit-1gene at locus Pit-1-Hinf1 was detected by a silver-staining method. A length of 637 base pairs (bps) of the Pit-1 gene of local sheep was successfully amplified. The Hinf1 restriction enzyme cut the PCR product into three different length of fragments succesively at 345, 137, and 115   bps designated as A allele; whilst B allele had four fragments at 283, 137, 115, and 62 bps respectively. The locus of Pit-1-Hinf1 was polymorphic in local sheep from Jonggol, however it was monomorfic in Garut sheep. The frequencies of A and B alleles were 0,806 and 0,194 respectively. Pit-1 genotypes had no significant effect on dam body weight and milk production. This result is indicating that the use of single locus Pit-1-Hinf1 in Pit-1 gen is less effective to be used as a candidate in selecting dam body weight and milk production in these three local sheep. Key words: Local Sheep, Pit-1 Gene, Polymorphism, Dam, Milken-US
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dc.identifierhttp://medpub.litbang.pertanian.go.id/index.php/jitv/article/view/344
dc.identifier10.14334/jitv.v14i3.344
dc.identifier.urihttps://repository.pertanian.go.id/handle/123456789/2809
dc.languageeng
dc.publisherIndonesian Animal Sciences Societyen-US
dc.relationhttp://medpub.litbang.pertanian.go.id/index.php/jitv/article/view/344/353
dc.rightsCopyright (c) 1970 Indonesian Journal of Animal and Veterinary Sciencesen-US
dc.rightshttp://creativecommons.org/licenses/by/4.0en-US
dc.source2252-696X
dc.source0853-7380
dc.sourceIndonesian Journal of Animal and Veterinary Sciences; Vol 14, No 3 (2009): SEPTEMBER 2009; p.212-229en-US
dc.titlePolymorphism of Pituitary-Specific Transcription Factor-1 (Pit-1) Gene at Locus (Pit-1-Hinf1) and its effects on dam body weight and milk production of local sheepsen-US
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion
dc.typePeer-reviewed Articleen-US
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