Polymorphism identification of Diacylglycerol Acyltransferase1 gene and its correlation with fat content of Saanen goat

Darmoatmodjo, L. M. Y. D, Widodo, W. and Asmara, W. (2018) Polymorphism identification of Diacylglycerol Acyltransferase1 gene and its correlation with fat content of Saanen goat. Polymorphism identification of Diacylglycerol Acyltransferase1 gene and its correlation with fat content of Saanen goat, 43 (3). pp. 211-217. ISSN pISSN: 2087-8273 eISSN: 2460-6278, Q3, SJR(2019) 0,23 Journal Nasional Terindeks Sinta 1

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Abstract

Marka gen bermanfaat untuk membantu proses seleksi ternak terhadap fenotipe tertentu yang bersifat komersial. Kambing Saanen memiliki keunggulan dalam sifat produksi susu yaitu kadar lemak susu. Gen diacylglycerol acyltransferase1 (DGAT1) terlibat dalam proses akhir sintesis trigliserida dan memiliki keterkaitan dengan kadar lemak susu. Perubahan nukleotida tunggal atau insersi-delesi pada sekuen tertentu dari gen DGAT1 dapat dijadikan marka genetik untuk sifat kuantitatif kadar lemak susu. Penelitian ini bertujuan untuk mengkaji perbedaan variasi kadar lemak susu antar individu kambing Saanen, melakukan identifikasi polimorfisme gen DGAT1 pada ekson 14-16 dan mengkaji keterkaitan polimorfisme dengan kadar lemak susu kambing Saanen. Tujuh puluh sampel darah dan susu dikoleksi, kemudian dilakukan isolasi DNA darah, amplifikasi gen DGAT1, sequencing, deteksi polimorfisme dengan metode Polymerase Chain Reaction-Single Strand Conformation Polymorphism (PCR-SSCP), dan uji kualitas susu pada 3 bulan laktasi menggunakan Lactoscan. Rata-rata produksi susu harian dari ketujuh puluh ekor sampel sebesar 2340±709 mL/hari, 1880±632 mL/hari, 1432±536 mL/hari dan ratarata kadar lemak susu sebesar 3.07±0.52%, 2.53±0.55%, 3.00±0.55%, berturut-turut untuk bulan laktasi pertama, kedua dan ketiga. Ukuran amplikon ekson 14-16 gen DGAT1 sepanjang ±350 bp. Identifikasi polimorfisme dengan PCR-SSCP menghasilkan pola monomorfis. Variasi kadar lemak susu kambing Saanen tidak disebabkan oleh polimorfisme ekson 14-16 gen DGAT1.

Item Type: Article
Uncontrolled Keywords: kambing Saanen, kadar lemak susu, DGAT1, polimorfisme, PCR-SSCP
Subjects: Agriculture and Food Technology
Divisions: Journal Publication
Depositing User: F.X. Hadi
Date Deposited: 15 Jan 2021 04:50
Last Modified: 23 Apr 2021 02:03
URI: http://repository.ukwms.ac.id/id/eprint/24031

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