Endosymbiosis in trypanosomatids: the genomic cooperation between bacterium and host in the synthesis of essential amino acids is heavily influenced by multiple horizontal gene transfers - Alves, João Marcelo Pereira; Klein, Cecilia C.; Silva, Flávia Maia da; Costa-Martins, André Guilherme; Serrano, Myrna G.; Buck, Gregory A.; Vasconcelos, Ana Tereza R.; Sagot, Marie-France; Teixeira, Marta Maria Geraldes; Motta, Maria Cristina M.; Camargo, Erney Plessmann (BMC Evolutionary Biology, 2013)