T. Hartatik
Department of Animal Breeding and Reproduction, Faculty of Animal Science, Universitas Gadjah Mada

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Genetic Analysis Using Partial Sequencing of Melanocortin 4 Receptor (MC4R) Gene in Bligon Goat Latifah Latifah; D. A. Priyadi; D. Maharani; Kustantinah Kustantinah; T. Hartatik
Media Peternakan Vol. 40 No. 2 (2017): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4895.739 KB) | DOI: 10.5398/medpet.2017.40.2.71

Abstract

Melanocortin 4 Receptor gene is involved in sympathetic nerve activity, adrenal and thyroid functions, and media for leptin in regulating energy balance and homeostasis. The aim of this research was to perform genetic analysis of MC4R gene sequences from Bligon goats. Fourty blood samples of Bligon does were used for DNA extraction. The primers were designed after alignment of 12 DNA sequences of MC4R gene from goat, sheep, and cattle. The primers were constructed on the Capra hircus MC4R gene sequence from GenBank (accession No. NM_001285591). Two DNA polymorphisms of MC4R were revealed in exon region (g.998 A/G and g.1079 C/T). The SNP g.998 A/G was a non-synonymous polymorphism i.e., changing of amino acid from methionine (Met) to isoleucine (Ile). The SNP g.1079 C/T was a synonymous polymorphism. Restriction enzyme mapping on Bligon goat MC4R gene revealed three restriction enzymes (RsaI (GT’AC), Acc651 (G’GTAC_C), and KpnI (G_GTAC’C), which can recognize the SNP at g.1079 C/T. The restriction enzymes may be used for genotyping of the gene target using PCR-RFLP method in the future research.
Association between leptin gene polymorphism and growth traits in Bali cattle T. Kurlyana; T. Hartatik; S. Sumadi
Journal of the Indonesian Tropical Animal Agriculture Vol 48, No 1 (2023): March
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.48.1.1-9

Abstract

Leptin (LEP) gene produces hormone leptin which is secreted by adipose tissue, and plays an im-portant role in energy balance, regulating feed intake, regulating endocrine function, and immune functions. This study aims to identify molecular markers of LEP gene and its association with growth traits based on SNP in Bali cattle. The blood samples were collected from 16 male and 30 female Bali cattle. The growth data were recorded from 2018 to 2020, consist of body weight and body size. Am-plification of leptin gene with polymerase chain reaction (PCR) using pair of primers, Lep-tin_3Forward: 5’- AGCTTGGAAACATGGTGGTC-3’ and Leptin_3Reverse: 5’- CATGATGCTCCCTGGATTCT-3’ with DNA target 898 bp. The SNPs were identified by the direct sequencing technique. Genotypes of the SNPs were identified using sequencing method. Association of LEP genotypes with growth traits was performed using oneway ANOVA. Three DNA polymor-phisms of the LEP gene were found, namely g.2913C/T, g.3260T/C, and g.3549G/A. SNP g.2913C/T was significantly associated (P<0,05) with weaning shoulder height (WSH), weaning body length (WBL), weaning chest circumference (WCC), yearling shoulder height (YSH), yearling body length (YBL), and yearling chest circumference (YCC). Meanwhile, SNPs g.3260T/C and g.3549G/A were not associated with the body weight and body size in Bali cattle. In conclusion, the SNP g.2913C/T can be used as molecular marker for body size in weaning and yearling of Bali Cattle.