Non-ribosomal peptides produced by Brazilian cyanobacterial isolates with antimicrobial activity - Stenico, Maria Estela Silva; Silva, Caroline Souza Pamplona; Lorenzi, Adriana Sturion; Shishido, Tânia Keiko; Etchegaray, Augusto; Lira, Simone Possedente de; Moraes, Luiz Alberto Beraldo de; Fiore, Marli de Fatima (Microbiological Research, 2011)