Molecular and genetic characterization of loss-of function revertants of rstD a dominant regulatory allele of the roughest locus in Drosophila - Machado, Maiaro Cabral Rosa; Silva, Shirlei Octacílio da; Costa, Mara Sílvia Alexandre; Ramos, Ricardo Guelerman Pinheiro (Congresso da Sociedade Brasileira de Biologia Celular, 2007)