This article was part of a master’s thesis presented by the first
author and financed by the Conselho Nacional de Desenvolvimento
Científico e Tecnológico – CNPq – Brazil (480944/2010-5) and by
the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
– CAPES – Brazil (028054/2009). Thanks to CAPES are in order
due to their concession of scholarships to the first, fifth and eighth
authors, as well as to CNPq due to their concession of scientific initiation
scholarship to the seventh author. We thank the member of
the Microscopy Central of Complex of Central Research Support
(COMCAP) at the State University of Maringa for their cooperation
in this work.