Trichogin GA IV: A versatile template for the synthesis of novel peptaibiotics

M De Zotti, B Biondi, C Peggion, F Formaggio… - Organic & …, 2012 - pubs.rsc.org
Trichogin GA IV, isolated from the fungus Trichoderma longibrachiatum, is the prototype of
lipopeptaibols, the sub-class of short-length peptaibiotics exhibiting membrane-modifying …

Antimicrobial lipopeptaibol trichogin GA IV: role of the three Aib residues on conformation and bioactivity

M De Zotti, B Biondi, Y Park, KS Hahm, M Crisma… - Amino Acids, 2012 - Springer
The lipopeptaibol trichogin GA IV is a natural, non-ribosomally synthesized, antimicrobial
peptide remarkably resistant to the action of hydrolytic enzymes. This feature may be …

The rational search for selective anticancer derivatives of the peptide Trichogin GA IV: a multi-technique biophysical approach

A Dalzini, C Bergamini, B Biondi, M De Zotti… - Scientific reports, 2016 - nature.com
Peptaibols are peculiar peptides produced by fungi as weapons against other
microorganisms. Previous studies showed that peptaibols are promising peptide-based …

[HTML][HTML] The peculiar N-and C-termini of trichogin GA IV are needed for membrane interaction and human cell death induction at doses lacking antibiotic activity

R Tavano, G Malachin, M De Zotti, C Peggion… - … et Biophysica Acta (BBA …, 2015 - Elsevier
Peptaibiotics, non-ribosomally synthetized peptides from various ascomycetes, are uniquely
characterized by di-alkylated α-amino acids, a rigid helical conformation, and membrane …

Peptaibol analogs show potent antibacterial activity against multidrug resistant opportunistic pathogens

C Dalla Torre, F Sannio, M Battistella… - International Journal of …, 2023 - mdpi.com
New classes of antibacterial drugs are urgently needed to address the global issue of
antibiotic resistance. In this context, peptaibols are promising membrane-active peptides …

Trichogin GA IV: an antibacterial and protease‐resistant peptide

M De Zotti, B Biondi, F Formaggio… - Journal of peptide …, 2009 - Wiley Online Library
The antibacterial and hemolytic activities of the amphiphilic helical, membrane‐active,
lipopeptaibol trichogin GA IV and its [Leu11‐OMe] analogue were compared to those of the …

Main‐chain length control of conformation, membrane activity, and antibiotic properties of lipopeptaibol sequential analogues

S Oancea, G Hilma, C Peggion… - Chemistry & …, 2008 - Wiley Online Library
To investigate the effect of backbone length and amphiphilicity on the 3D structure,
membrane permeability, and antibacterial properties of trichogins, a subclass of …

Synthesis, preferred conformation, and membrane activity of medium‐length peptaibiotics: tylopeptin B

M Gobbo, C Poloni, M De Zotti… - Chemical biology & …, 2010 - Wiley Online Library
The solid‐phase synthesis and full chemical characterization of the medium‐length (14‐
amino acid residues) peptaibol with antibiotic properties of tylopeptin B, originally extracted …

Conformation and membrane activity of an analogue of the peptaibol antibiotic trichogin GA IV with a lipophilic amino acid at the N‐terminus

E Locardi, S Mammi, E Peggion… - Journal of Peptide …, 1998 - Wiley Online Library
We have synthesized by solution‐phase methods two analogues of the 11‐residue
lipopeptaibol antibiotic trichogin GA IV in which the N‐terminal n‐octanoyl group is replaced …

Spectroscopically Labeled Peptaibiotics. Synthesis and Properties of Selected Trichogin GA IV Analogs Bearing a Side‐Chain‐Monofluorinated Aromatic Amino Acid …

C Peggion, B Biondi, C Battistella… - Chemistry & …, 2013 - Wiley Online Library
We prepared by solid‐phase methods, chromatographically purified, and characterized
three analogs of the ten‐amino acid‐residue, membrane‐active, lipopeptaibiotic trichogin …