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A.S. Siqueira

Publications of : A.S. Siqueira
Human Genetics   Research Article

Detection of sequences related to biosynthesis of antifungal metabolites and identification of a PhzF-like gene in a Pseudomonas rhizobacterium of Piper tuberculatum

Our previous studies identified a Pseudomonas putida (Pt12 isolate) associated with roots of Piper tuberculatum Jacq., a Piperaceae occurring in the Amazon region with known resistance to infection by Fusarium solani f. sp. piperis, the causal agent of root rot disease in black pepper (Piper nigrum L.). This Pt12 isolate was able to inhibit in vitro growth of this f.. Read More»

Genet. Mol. Res. 17(3): http://dx.doi.org/gmr18035

DOI: http://dx.doi.org/10.4238/gmr18035

Animal Genetics   Research Article

Homology modeling and molecular dynamics of �?²-defensin II variants in Amazonian sheep

    A.S. Siqueira1, B.B. de Souza2, A.R.J. Lima1, E.M. Barbosa2, J.S.N. Azevedo3, E.C. Gonçalves1 and E. Silva Filho2

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