E.M. Barbosa
Polymorphisms in the melatonin receptor gene promoter and their associations with fertility characteristics in buffalo herd in Eastern Amazon
Buffalo production is spreading globally because of its economic advantage. Then, it has become necessary to improve the reproductive and productive efficiency of these animals, as well as to look for genetic factors that increase this efficiency. The objectives of this study were to characterize the promoter region of the melatonin 1A receptor gene (MTRN1A), to det.. Read More»
Genet. Mol. Res. 16(2): gmr16029610
DOI: 10.4238/gmr16029610
Novel polymorphism in exon 1 of the melatonin receptor gene unassociated with reproductive characteristics of buffaloes in the Amazon Region
The objective of this study was to sequence part of the exon 1 in the melatonin receptor 1A gene (MTRN1A) in buffaloes to detect a novel polymorphism with which to associate reproductive characteristics, such as age at first birth and the interval between births, in buffaloes from the northeastern region of the State of Pará (Brazil). Buffalo hair samples (77.. Read More»
Genet. Mol. Res. 15(2): gmr.15028309
DOI: 10.4238/gmr.15028309
Polymorphism in the melatonin receptor gene in buffalo populations of the Brazilian Amazon - Genet. Mol. Res. 15 (2): gmr.15027960
-.. Read More»
Genet. Mol. Res. 15(2): gmr.150279601
DOI: 10.4238/gmr.150279601
Polymorphisms in the leptin gene promoter in Brazilian beef herds
Brazil is the world’s largest producer of beef cattle; however, the quality of its herds needs to be improved. The use of molecular markers as auxiliary tools in selecting animals for reproduction with high pattern for beef production would significantly improve the quality of the final beef product in Brazil. The leptin gene has been demonstrated to be an exc.. Read More»
Genet. Mol. Res. 15(4): gmr15048981
DOI: 10.4238/gmr15048981
Homology modeling and molecular dynamics of �²-defensin II variants in Amazonian sheep
β-defensins are capable of creating pores in the bacterial membrane. In this study, we aim to determine the structure of 3 different sheep β-defensin 2 (SBD-2) sequences by molecular modeling. A herd of 47 sheep from the Centre for Ovine and Caprine Research of Pará was selected for this investigation. The AA, AG, and GG alleles were found on β-defensin sequences. We used .. Read More»
Genet. Mol. Res. 15(1): gmr.15017469
DOI: 10.4238/gmr.15017469
Genetic polymorphisms in �²-defensin II gene in Amazon sheep from Brazil
The northern region of Brazil produces a large number of sheep, with Pará being the largest sheep breeding state in the region. In the Amazon region, livestock production is a challenge due to the high diversity of pathogens affecting humans and animals. Defensins are antimicrobial peptides acting as a first barrier against micro-organisms and present high va.. Read More»
Genet. Mol. Res. 14(4): 2015.October.19.24
DOI: 10.4238/2015.October.19.24
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