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All Journal Journal of the Indonesian Tropical Animal Agriculture Tropical Animal Science Journal
R. R. Noor
Department of Animal Production and Technology, Faculty of Animal Science, IPB University
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Energy

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Journal : Tropical Animal Science Journal

 1 
Polymorphism of L-FABP (SNP g. 1593 C>T) Gene and Its Association with Fatty Acid Composition, Carcass, and Meat Quality in Cihateup Duck A. S. Mentari; A. Gunawan; R. R. Noor
Tropical Animal Science Journal Vol. 43 No. 2 (2020): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (536.03 KB) | DOI: 10.5398/tasj.2020.43.2.103

Abstract

Fatty acid composition, carcass, and meat quality are quantitative traits which are controlled by several genes or polygenic. One of the genes that plays important role in the fatty acid in meat quality and fatty acid composition is liver-type fatty acid-binding protein (L-FABP). The aims of this study were to identify single nucleotide polymorphism (SNP) of liver-fatty acid binding protein (L-FABP) gene and its association with fatty acid, carcass, and meat quality traits in cihateup duck. Cihateup ducks were originated from Tasikmalaya, West Java, Indonesia. The study used a total of 98 ducks aged of 12 weeks old with the average body size of 1.4±0.12 kg for PCR-RFLP analyses and 76 ducks for the association analyses. Polymerase Chain Reaction-Restriction Fragment Length Polymorphism (PCR-RFLP) was used to identify SNP g. 1593 (C>T) of L-FABP gene. The associations of L-FABP genotypes with fatty acid, carcass, and meat quality traits were performed using T-test procedures. The result showed that the SNP of L-FABP gene was polymorphic with three genotypes (CC, CT, and TT). The Chi-square test revealed that the locus of L-FABP (g. 1593 C>T) was in Hardy - Weinberg equilibrium. L-FABP gene was significantly associated (p<0.01) with the carcass portions, providing neck and percentage of neck as well as significantly associated (p<0.05) with saturated fatty acids, i.e., lauric acid (C 12:0) and palmitic acid (C 16:0); polyunsaturated fatty acid, i.e., eicosadienoic acid (C 20:2); carcass portions, i.e. neck and percentage of neck. The SNP g. 1593 (C>T) of L-FABP gene may be a useful marker for selecting and producing duck meat having desirable fatty acids and carcass and meat quality.
The Polymorphism and Expression of CYP2E1 Gene and Its Relation to Carcass and Meat Quality of Indonesian Lamb R. S. Harahap; R. R. Noor; A. Gunawan
Tropical Animal Science Journal Vol. 44 No. 4 (2021): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5398/tasj.2021.44.4.377

Abstract

The aim of this study was to conduct the genotyping of the single nucleotide polymorphism (SNP) in g.50657948 T>G of the CYP2E1 gene and its relation to the carcass and meat quality. A total of 200 Indonesian lambs consisted of 20 Javanese fat-tail sheep (JFTS), 37 Javanese thin-tail sheep (JTTS), 20 Garut sheep (GS), 21 Jonggol sheep (JS), 34 Garut composite sheep (GCS), 35 compass agrinac sheep (CAS), and 33 Barbados cross sheep (BCS) aged between 10-12 months old were used in this study. The polymorphism of the CYP2E1 gene was characterized using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) with NlaIII enzyme restriction. The CYP2E1 gene found the three genotypes (GG, GT, and TT) and the allele frequencies were in Hardy Weinberg equilibrium. The CYP2E1 gene was significantly associated with meat quality, i.e., pH value and tenderness, as well as fatty acid composition (p<0.05), i.e., saturated fatty acid (SFA): caprylic acid (C8:0), arachidic acid (C20:0), heneicosylic acid (C21:0), behenic acid (C:22:0), and tricosylic acid (C23:0), monounsaturated fatty acid (MUFA): elaidic acid (C18:1n9t) and paullinic acid (C20:1); polyunsaturated fatty acid (PUFA): linoleic acid (C18:2n6c) and y-linolenic acid (C20:3n6). A gene expression analysis indicated that the GG genotype had the highest expression level. It could be concluded that the SNP g.50657948 T>G of the CYP2E1 gene could be used for candidate marker-assisted selection to improve the carcass and meat quality of Indonesian lamb.
The Association of Single Nucleotide Polymorphism -69T>G HSPA1A Gene with Bali Cattle Heat Tolerance I. Suhendro; J. Jakaria; R. Priyanto; W. Manalu; R. R. Noor
Tropical Animal Science Journal Vol. 45 No. 4 (2022): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5398/tasj.2022.45.4.429

Abstract

Heat shock protein plays an essential role in thermoregulatory during heat stress responses. This study aims to determine the association of single nucleotide polymorphism (SNP) -69T>G in the promoter region of the heat shock protein 70 member 1A (HSPA1A) gene on heat tolerance in Bali cattle. One hundred and sixteen heads of Bali cattle were collected from different locations such as Pangyangan, Bali Island; Serading, Sumbawa Island; and Sembalun, Lombok Island. The SNP was analyzed by genotyping using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP), which used BstUI enzyme restriction. Physiological responses including respiration rate (Rr), rectal temperature (Tr), heart rate (Hr), heat tolerance coefficient (HTC), and blood glucose level (Glu) were measured. Association analysis was conducted using a general linear model by setting genotype, altitude, and sex as factors. The SNP -69T>G variant of HSPA1A gene found in this study were wild type (TT) with 144 bp & 498 bp; GG with 144, 236, & 262 bp; and TG with 144, 236, 262, & 498 bp. Bali cattle with the GG genotype had lower (p<0.001) Rr and HTC compared to the other genotypes. It could be concluded that physiological performances were lower at high altitudes, and the SNP -69T>G HSPA1A was associated with the physiological performances of Bali cattle. SNP -69T>G of HSPA1A could be utilized for candidate marker-assisted selection of Bali cattle to improve the performance of heat tolerance.
Co-Authors A. Gunawan A. S. Mentari Asep Gunawan E. Taufik G. Deviandini I. Suhendro Jakaria Jakaria R. Priyanto R. S. Harahap S. A. Asmarasari T. Suselowati W. Manalu