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All Journal Jurnal Sain Peternakan Indonesia Journal of the Indonesian Tropical Animal Agriculture Tropical Animal Science Journal
Listyarini, K.
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Energy Veterinary

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Association of Genetic Polymorphism TP53INP1 Gene with Mineral Content in Javanese Thin-Tailed Sheep Listyarini, K.; Harahap, R. S.; Roosita, K.; Sumantri, C.; Mulyono, R. H.; Gunawan, A.
Jurnal Sain Peternakan Indonesia Vol 20 No 2 (2025)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jspi.id.20.2.88-92

Abstract

The Tumor Protein P53 Inducible Nuclear Protein 1 (TP53INP1) gene is expected to be a crucial candidate for mineral content.  This research aimed to analyse the genotype polymorphism and investigate its association with the TP53INP1 gene and sheep mineral content. To analyse gene polymorphisms and conduct an association study, 30 rams of Javanese thin-tailed sheep were utilised. The NlaIII restriction enzyme was applied to investigate the genotype polymorphism of the TP53INP1 gene through Polymerase Chain Reaction-Restriction Fragment Length Polymorphism (PCR-RFLP). Regarding the association with analysing TP53INP1, a General Linear Model (GLM) was used. The findings indicate that the TP53INP1 gene shows polymorphism, revealing three distinct genotypes identified by the results: AA, AG, and GG. The genotypes were detected using the Hardy-Weinberg Equilibrium (HWE) principle. According to the association analysis, a significant association (P < 0.05) was found between the TP53INP1 gene and mineral content, particularly iron (Fe). A higher mineral content was associated with the GG genotype, whereas a lower mineral content was related to the AA genotype. The TP53INP1 could be the candidate gene for sheep's mineral content.
Polymorphism of BGN gene (g.77807325 G>C) and its association with fatty acid and carcass characteristics of Indonesian meat lamb Amin, M. F.; Sumantri, C.; Arief, I. I.; Jayanegara, A.; Listyarini, K.; Harahap, R. S.; Gunawan, A.
Journal of the Indonesian Tropical Animal Agriculture Vol 49, No 2 (2024): June
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.49.2.125-134

Abstract

Fatty acid content and carcass characteristics are two meat quality traits consumers choose to ob tain healthy and high-quality lamb. Genetic improvement of fatty acid content and carcass characteris tics in sheep is important to increase the public appeal of lamb meat. The Biglycan gene (BGN) is a gene that functions to regulate the growth and maintenance of connective tissues, such as bone and cartilage. This study examined the polymorphism of the BGN gene to get a deeper understanding of the correlation between fatty acid content and carcass traits in Indonesian sheep. The PCR-RFLP ap proach was used to detect polymorphism in the BGN gene in meat samples obtained from the longissi mus dorsi region of 115 rams aged between 10 and 12 months. The General Linear Model (GLM) was used test to analyze genotyping through association studies between genotypes and phenotypic attrib utes. The results indicated that the carcass' fatty acid composition, including tridecanoic acid (C13:0), arachidonic acid (C20:4n-6), and polyunsaturated fatty acids (PUFA), as well as the BGN gene with SNP point g. 77807325 G>C (GG and CC genotypes), were significantly (P<0.05) related to these traits. Genotype GG was more associated with carcass percentage traits than other genotypes, whereas genotype CC was best associated with carcass length traits. The BGN gene with SNP point g. 77807325 G>C can be a potential genetic marker for selecting fatty acid (tridecanoic acid C13:0), pol yunsaturated fatty acid (PUFA), arachidonic acid), carcass percentage, and carcass length in sheep meat in Indonesia.
Association of CYP2A6 gene related to the characteristic carcass, commercial cuts, quality of meat and cholesterol of lamb meat Istiqlal, R. F.; Listyarini, K.; Jakaria, J.; Budiman, C.; Gunawan, A.
Journal of the Indonesian Tropical Animal Agriculture Vol 49, No 3 (2024): September
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.49.3.204-214

Abstract

As meat-producing livestock, sheep are a benchmark for communities seeking quality and healthy meat. The CYP2A6 gene has emerged as a potential tool for improving lamb meat quality. This study investigated the genetic variability of the CYP2A6 gene and its association with key determinants of lamb meat quality. The research involved 140 male sheep from five breeds: Javanese thin-tail sheep (JTTS), Garut sheep (GS), Jonggol sheep (JS), Barbados cross sheep (BCS), and Compass agrinak sheep (CAS). PCR-RFLP was employed to identify CYP2A6|BsmAI gene polymorphism and the general linear model (GLM) was used to analyze the gene's association with meat quality. The results showed a polymorphism in the CYP2A6 gene (SNP g.49170107 G>T), presenting two genotypes: GG and GT. The analysis results demonstrated that the CYP2A6 gene (P<0.05) significantly correlates with carcass characteristics (live weight, hot carcass weight, carcass percentage, cold carcass weight), commercial cuts, physical meat quality, and cholesterol content. The GT genotype exhibited superior meat quality to the GG genotype, suggesting that the CYP2A6 gene could serve as a valuable genetic marker for enhancing lamb meat quality.
The Association of IGFBP7 Gene Polymorphism on Lamb Meat Quality in Javanese Thin-Tailed Sheep Komarudin; Listyarini, K.; Budiman, C.; Sumantri, C.; Gunawan, A.
Tropical Animal Science Journal Vol. 47 No. 4 (2024): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5398/tasj.2024.47.4.448

Abstract

The insulin-like growth factor binding-protein 7 (IGFBP7) gene is one of the potential genes related to meat quality. The objective of the current study was to evaluate polymorphism of the IGFBP7 gene (g.72351183A>C) and its association with meat quality traits in the Javanese thin-tailed (JTT) sheep. A comprehensive analysis was conducted on 88 JTT male sheep to examine their fatty acid composition, carcass characteristics, carcass retail cuts, and the physical properties of lamb meat. The polymorphism was detected using the PCR-RFLP technique. The association between the IGFBP7 gene polymorphism and the observed variables of meat quality was evaluated using one-way analysis of variance (ANOVA). The study results indicated that the IGFBP7 gene was polymorphic in JTT sheep population, with the allele distribution conforming to Hardy-Weinberg equilibrium. The AA genotype was found to be predominant. The IGFBP7 gene variants were associated (p<0.05) with erucic acid, linoleic acid, eicosapentaenoic acid, and total polyunsaturated fatty acid (PUFA). Sheep possesing the CC genotype exhibited the highest levels of linoleic acid, eicosapentaenoic acid, and total PUFA in comparison to those with AA and AC genotypes. However, the IGFBP7 gene polymorphism was not associated with carcass characteristics, carcass retail cuts, and physical properties of meat. These findings suggest that the IGFBP7 gene is a promising candidate marker for improving fatty acid composition in JTT sheep.
Co-Authors A. GUNAWAN Amin, M. F. Anuraga Jayanegara Arief, I. I. Budiman, C. C. SUMANTRI Harahap, R. S. Istiqlal, R. F. Jakaria Jakaria Komarudin Mulyono, R. H. Roosita, K.