1. Laboratory of Cell Signaling, Research Center in Biological Science, Institute of Exact and Biological Sciences, Federal University of Ouro Preto, R. Quatro, 786, Bauxita, Ouro Preto 35400-000, Brazil
2. Laboratory of Comparative Physiology of Pigmentation, Department of Physiology, Institute of Biosciences, University of São Paulo, R. do Matão, Trav. 14, No. 101, São Paulo 05508-090, Brazil