Towards Sustainable Sources of Omega-3 Long-Chain Polyunsaturated Fatty Acids in Northern Australian Tropical Crossbred Beef Steers through Single Nucleotide Polymorphisms in Lipogenic Genes for Meat Eating Quality
نویسندگان
چکیده
This study aimed to identify single nucleotide polymorphisms (SNP) in lipogenic genes of northern Australian tropically adapted crossbred beef cattle and evaluate associations with healthy lipid traits the Longissimus dorsi (loin eye) muscle. The hypothesis tested was that there are significant between SNP loci encoding for fatty acid binding protein 4 (FABP4), stearoyl-CoA desaturase (SCD) synthase (FASN) human health beneficial omega-3 long-chain polyunsaturated acids (ω3 LC-PUFA) within loin eye muscle cattle. Brahman, Charbray, Droughtmaster steers were fed on Rhodes grass hay augmented desmanthus, lucerne, or both, 140 days sampled intramuscular fat (IMF), melting point (FMP), composition. Polymorphisms FABP4, SCD, FASN effects identified next-generation sequencing. GG genotype at FABP4 g.44677239C>G locus associated higher proportion linoleic than CC CG genotypes (p < 0.05). Multiple comparisons SCD g.21266629G>T indicated TT had significantly eicosapentaenoic, docosapentaenoic, docosahexaenoic Significant correlations 0.05) IMF, saturated monounsaturated observed. These results provide insights into contribution deposition marker-assisted selection improvement meat-eating quality, emphasis alternate sustainable sources ω3 LC-PUFA, tropical cattle, hence an acceptance hypothesis.
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ژورنال
عنوان ژورنال: Sustainability
سال: 2022
ISSN: ['2071-1050']
DOI: https://doi.org/10.3390/su14148409