Made available in DSpace on 2022-04-29T02:57:32Z (GMT). No. of bitstreams: 0 Previous issue date: 2012-01-01; The increase in bacterial resistance to current antibiotics has led to the development of new active molecules. We have isolated the antimicrobial peptide Ctx-Ha from the skin secretion of the frog Hypsiboas albopunctatus. The aim of the present work was to elucidate the mechanism of action of this new ...