ArticleGenetics and molecular biology2009
Bovine gene polymorphisms related to fat deposition and meat tenderness.
Article in Genetics and molecular biology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed, 50 citations in OpenAlex.
- Evaluating growth performance, hematological profiles, and metabolic health in Thai crossbred cattle under tropical conditions.Tropical animal health and production · 2025Article
- Identification of Biomarkers for Meat Quality in Sichuan Goats Through 4D Label-Free Quantitative Proteomics.Animals : an open access journal from MDPI · 2025Article
- Genetic characterization of LEP and TG5 gene polymorphisms in crossbred beef cattle populations.Journal of advanced veterinary and animal research · 2024Article
- Bibliometric Analysis of Research on the Main Genes Involved in Meat Tenderness.Animals : an open access journal from MDPI · 2022Review
- Variation in OvineGenes · 2022Article
- Polymorphism ofVeterinary world · 2022Article
- Associations between gene polymorphisms and selected meat traits in cattle - A review.Animal bioscience · 2021Article
- Allelic and genotypic frequencies for loci associated with meat quality in Mexican Braunvieh cattle.Tropical animal health and production · 2021Article
- Effect of the bovineVeterinary world · 2020Article
- Comprehensive assessment of candidate genes associated with fattening performance in Holstein-Friesian bulls.Archives animal breeding · 2019Article
- Exploring evidence of positive selection reveals genetic basis of meat quality traits in Berkshire pigs through whole genome sequencing.BMC genetics · 2015Article
- Genome-wide association study for backfat thickness in Canchim beef cattle using Random Forest approach.BMC genetics · 2013Article
- Genetic variants of the FABP4 gene are associated with marbling scores and meat quality grades in Hanwoo (Korean cattle).Molecular biology reports · 2012Article
- Annotation of novel transcripts putatively relevant for bovine fat metabolism.Molecular biology reports · 2011Article
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Leptin, thyroglobulin and diacylglycerol O-acyltransferase play important roles in fat metabolism. Fat deposition has an influence on meat quality and consumers' choice. The aim of this study was to determine allele and genotype frequencies of polymorphisms of the bovine genes, which encode leptin (LEP), thyroglobulin (TG) and diacylglycerol O-acyltransferase (DGAT1). A further objective was to establish the effects of these polymorphisms on meat characteristics. We genotyped 147 animals belonging to the Nelore (Bos indicus), Canchim (5/8 Bos taurus + 3/8 Bos indicus), Rubia Gallega X Nelore (1/2 Bos taurus + 1/2 Bos indicus), Brangus Three-way cross (9/16 Bos taurus + 7/16 Bos indicus) and Braunvieh Three-way cross (3/4 Bos taurus + 1/4 Bos indicus) breeds. Backfat thickness, total lipids, marbling score, ribeye area and shear force were fitted, using the General Linear Model (GLM) procedure of the SAS software. The least square means of genotypes and genetic groups were compared using Tukey's test. Allele frequencies vary among the genetic groups, depending on Bos indicus versus Bos taurus influence. The LEP polymorphism segregates in pure Bos indicus Nelore animals, which is a new finding. The T allele of TG is fixed in Nelore, and DGAT1 segregates in all groups, but the frequency of allele A is lower in Nelore animals. The results showed no association between the genotypes and traits studied, but a genetic group effect on these traits was found. So, the genetic background remains relevant for fat deposition and meat tenderness, but the gene markers developed for Bos taurus may be insufficient for Bos indicus.
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