E. Silva Filho
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
Polymorphism in the melatonin receptor gene in buffalo populations of the Brazilian Amazon
Buffalo farming in Brazil is increasing, as is the challenge of identifying molecular markers that will improve productivity. Therefore, the aim of this study was to analyze single nucleotide polymorphisms of the receptor gene for the hormone melatonin in buffaloes from northern Brazil by polymerase chain reactions (PCRs) and restriction fragment length polymorphism.. Read More»
Genet. Mol. Res. 15(2): gmr.15027960
DOI: 10.4238/gmr.15027960
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
Polymorphisms in the DGAT1 gene in buffaloes (Bubalus bubalis) in the Amazon
Water buffaloes (Bubalus bubalis) are quite well adapted to climatic conditions in the Amazon, and in this biome, they are noted for the considerable amount of meat and milk they produce and how hard they are able to work. Because of a lack of research dedicated to improving the rearing of buffaloes in the Amazon, the objective of this study was to genetically characterize the Murrah and Medite.. Read More»
Genet. Mol. Res. 15(3): gmr.15038720
DOI: 10.4238/gmr.15038720
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
Hematological markers and biochemical profiles in terms of gender and age of captive collared peccaries (Tayassu tajacu) in eastern Amazon
Complete blood counts and blood biochemical analyses are laboratory tests that allow the monitoring of physiological condition, nutrition, and health in free-living or captive wild animals. When interpreting these tests, it is essential to compare the results with reference ranges that are suitable for the species. Few studies have been conducted on the hematologica.. Read More»
Genet. Mol. Res. 14(4): 2015.November.24.7
DOI: 10.4238/2015.November.24.7
Full-length genomic and molecular characterization of Canine parvovirus in dogs from North of Brazil
With the objective of characterizing Canine parvovirus (CPV) from some suspected fecal samples of dogs collected from the Veterinarian Hospital in Belém city, five positive samples were found by PCR assay and an update molecular characterization was provided of the CPV-2 circulation in Belém. Through sequencing of the complete DNA sequences (NS1, NS2, .. Read More»
Genet. Mol. Res. 16(3): gmr16039719
DOI: 10.4238/gmr16039719
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