1. Laboratory of Protozoology; Postgraduate Program in Animal Behavior and Biology; Federal University of Juiz de Fora; Juiz de Fora CEP: 36036-900 Minas Gerais Brazil
2. Laboratory of Molecular Genetics of Eukaryotes and Simbionts; Department of Genetics; Federal University of Rio de Janeiro; Rio de Janeiro CEP: 21941-590 Rio de Janeiro Brazil