1 Laboratory of Molecular Biology of Microorganisms, Federal University of Alfenas (UNIFAL), Alfenas 37130-001, Minas Gerais, Brazil.
2 Laboratory of Molecular Biology of Microorganisms, Federal University of Alfenas (UNIFAL), Alfenas 37130-001, Minas Gerais, Brazil. Electronic address: leonardo.almeida@unifal-mg.edu.br.