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Association between MUC1 gene polymorphism and expected progeny differences in Nelore cattle (Bos primigenius indicus) Genet. Mol. Biol.
Souza,Fabio Ricardo Pablos de; Vozzi,Pedro Alejandro; Vila,Reginaldo Aparecido; Boligon,Arione Augusti; Galerani,Marli Aparecida Vani; Lobo,Raysildo Barbosa; Martelli,Lucia Regina.
MUC1 is a heavily glycosylated mammalian transmembrane protein expressed by mucosal secretory tissues for both protection against microbial infection and lubrication. An important characteristic of MUC1 is its variable number of tandem repeats (VNTR) containing several sites for O-glycosylation. VNTR length has been associated with many human diseases and with certain economically important traits in domestic ruminants. The aim of the present study was to correlate the length of MUC1 gene VNTR with expected progeny differences (EPDs) obtained for growth, fertility and carcass traits. Five alleles were identified, with alleles containing short VNTRs being more frequent than those with long, thereby demonstrating that Brazilian Nelore cattle are...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Beef cattle; Molecular marker; Productive traits; Quantitative trait locus.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572010000100013
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Use of the TSPY gene for sexing cattle Genet. Mol. Biol.
Lemos,Daniela Cristina; Rios,Álvaro Fabrício Lopes; Caetano,Lisandra Cristina; Lôbo,Raysildo Barbosa; Vila,Reginaldo Aparecido; Martelli,Lúcia; Takeuchi,Paula Lumy; Ramos,Ester Silveira.
The Y-encoded, testis-specific protein (TSPY) is a Y-specific gene. The copy numbers of TSPY range from 20 to 60 in men and up to 200 in bulls. In this study, we examined the possibility of using the TSPY gene to sex cattle. DNA from blood samples of 100 Nelore cattle (50 males and 50 females) from the Nelore Cattle Breeding Program (PMGRN) was screened for TSPY by PCR using TSPY-specific primers. The assay was highly specific since all male samples were TSPY-positive and all female samples were negative. Positive results were also obtained at low DNA concentrations (less than 1 rhog/muL). These results showed that TSPY was a good male-specific marker, the usefulness of which was enhanced by the high copy number of the gene. This is the first report to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bovine; Cattle; PCR; Sexing; TSPY.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572005000100020
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