Structure–activity relationships and action mechanisms of collagen-like antimicrobial peptides

Ryo Masuda, Yui Dazai, Takehiko Mima, Takaki Koide*

*この研究の対応する著者

研究成果: Article査読

4 被引用数 (Scopus)

抄録

An antimicrobial triple-helical peptide, R3, was previously obtained from a collagen-like combinatorial peptide library. In this research, based on structure–activity relationship studies of R3, a more potent peptide, RR4, with increased positive net charge and charge density relative to R3, was developed. RR4 exhibited antimicrobial activity against both Gram-negative and Gram-positive bacterial strains, including multidrug-resistant strains. Its action could be attributed to entry into cells and interactions with intercellular molecules such as DNA/RNA that inhibited cell division rather than increasing bacterial membrane permeability. Furthermore, RR4 exhibited remarkable stability in serum and low cytotoxicity.

本文言語English
論文番号e22931
ジャーナルBiopolymers
108
1
DOI
出版ステータスPublished - 2017 1 1

ASJC Scopus subject areas

  • 生物理学
  • 生化学
  • 生体材料
  • 有機化学

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