The antibacterial and hemolytic activities of the amphiphilic helical, membrane-active, lipopeptaibol trichogin GA IV and its [Leu(11)-OMe] analogue were compared to those of the partially helical or non-helical 8-meric or 4-meric, C-terminal short sequences, respectively. The study on trichogin GA IV was extended to several methicillin-resistant Stophylococcus aureus strains. Using a large set of enzymes, we also evaluated the resistance to proteolysis of all of the four peptides.
Trichogin GA IV: an antibacterial and protease-resistant peptide
DE ZOTTI, MARTA;FORMAGGIO, FERNANDO;TONIOLO, CLAUDIO;
2009
Abstract
The antibacterial and hemolytic activities of the amphiphilic helical, membrane-active, lipopeptaibol trichogin GA IV and its [Leu(11)-OMe] analogue were compared to those of the partially helical or non-helical 8-meric or 4-meric, C-terminal short sequences, respectively. The study on trichogin GA IV was extended to several methicillin-resistant Stophylococcus aureus strains. Using a large set of enzymes, we also evaluated the resistance to proteolysis of all of the four peptides.
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