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Provedor de dados:  Genet. Mol. Biol.
País:  Brazil
Título:  Expression of myogenes in longissimus dorsi muscle during prenatal development in commercial and local Piau pigs
Autores:  Reis,Evelyze Pinheiro dos
Paixão,Débora Martins
Brustolini,Otávio José Bernardes
Silva,Fabyano Fonseca e
Silva,Walmir
Araújo,Flávio Marcos Gomes de
Salim,Anna Christina de Matos
Oliveira,Guilherme
Guimarães,Simone Eliza Facioni
Data:  2016-12-01
Ano:  2016
Palavras-chave:  Commercial line
Gene expression
Myogenesis
Pig
Piau breed
Resumo:  Abstract This study used qRT-PCR to examine variation in the expression of 13 myogenes during muscle development in four prenatal periods (21, 40, 70 and 90 days post-insemination) in commercial (the three-way Duroc, Landrace and Large-White cross) and local Piau pig breeds that differ in muscle mass. There was no variation in the expression of the CHD8, EID2B, HIF1AN, IKBKB, RSPO3, SOX7 and SUFU genes at the various prenatal ages or between breeds. The MAP2K1 and RBM24 genes showed similar expression between commercial and Piau pigs but greater expression (p < 0.05) in at least one prenatal period. Pair-wise comparisons of prenatal periods in each breed showed that only the CSRP3, LEF1, MRAS and MYOG genes had higher expression (p < 0.05) in at least one prenatal period in commercial and Piau pigs. Overall, these results identified the LEF1 gene as a primary candidate to account for differences in muscle mass between the pig breeds since activation of this gene may lead to greater myoblast fusion in the commercial breed compared to Piau pigs. Such fusion could explain the different muscularity between breeds in the postnatal periods.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572016000400589
Editor:  Sociedade Brasileira de Genética
Relação:  10.1590/1678-4685-gmb-2015-0295
Formato:  text/html
Fonte:  Genetics and Molecular Biology v.39 n.4 2016
Direitos:  info:eu-repo/semantics/openAccess
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