期刊
CELLULAR AND MOLECULAR LIFE SCIENCES
卷 68, 期 13, 页码 2317-2330出版社
SPRINGER BASEL AG
DOI: 10.1007/s00018-011-0721-7
关键词
Antimicrobial peptide; Proline-rich peptide; Antibiotic; Mode of action; Non-lytic mechanism
资金
- Italian Ministry for University and Research
- Regione Friuli Venezia Giulia [LR 26/2005]
- Marie Curie project [PIAP-GA-2008-218191]
Proline-rich antimicrobial peptides are a group of cationic host defense peptides of vertebrates and invertebrates characterized by a high content of proline residues, often associated with arginine residues in repeated motifs. Those isolated from some mammalian and insect species, although not evolutionarily related, use a similar mechanism to selectively kill Gram-negative bacteria, with a low toxicity to animals. Unlike other types of antimicrobial peptides, their mode of action does not involve the lysis of bacterial membranes but entails penetration into susceptible cells, where they then act intracellularly. Some aspects of the transport system and cytoplasmic targets have been elucidated. These features make them attractive both as anti-infective lead compounds and as a new class of potential cell-penetrating peptides capable of internalising membrane-impermeant drugs into both bacterial and eukaryotic cells.
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