1. Department of Parasitology, Microbiology and Immunology; Laboratory of Bacterial Physiology and Molecular Genetics; Institute of Biological Sciences; Federal University of Juiz de Fora; Juiz de Fora Brazil
2. Department of Biology; Laboratory of Ecology and Molecular Biology of Microorganisms; Institute of Biological Sciences; Federal University of Juiz de Fora; Juiz de Fora Brazil