In vitro shuttle mutagenesis and functional analysis in Leishmania. Gene disruption and complementation of a telomere-located RNA polymerase III - Squina, Fábio Márcio; Augusto, Marlei J.; Ruiz, Jerônimo C.; Cruz, Ângela Kaysel; Tosi, Luiz Ricardo Orsini (Annual Meeting of the Brazilian Society of Protozoology, 2004)