1. a Department of Morphology, Institute of Biosciences , Paulista State University , Distrito de Rubião Jr, s/n Botucatu, SP, Brazil , CEP 18618-970 Phone: Fax:
2. c Departmento de Genetica, Facultad de Ciencias , Universidad de Granada , Fuentenueva S/N, 18071, Granada , Spain
3. b Department of Molecular and Structural Biology and Genetic , Ponta Grossa State University , Av. Carlos Cavalcanti, 4748, PR, Brazil , CEP 84030-900