期刊
BIOFOULING
卷 26, 期 4, 页码 433-438出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/08927011003718673
关键词
staphylococcal biofilms; anti-biofilm agents; pyrrolomycins
资金
- Universita degli Studi di Palermo
With the goal of discovering new anti-infective agents active against microbial biofilms, this investigation focused on some natural pyrrolomycins, a family of halogenated pyrrole antibiotics. In this study the antistaphylococcal biofilm activity of pyrrolomycins C, D, F1, F2a, F2b, F3 and of the synthesized related compounds I, II, III were investigated. The susceptibility of six staphylococcal biofilms was determined by methyltiazotetrazolium staining. Most of the compounds were active at concentrations of 1.5 mu g ml(-1) with significant inhibition percentages. A few of the compounds were active at the lowest screening concentration of 0.045 mg ml(-1). The population log reduction of activity against the two best biofilm forming Staphylococcus aureus strains as determined by viable plate counts is also reported. In order to adequately assess the utility of these compounds, their toxicity against human cells was evaluated. It is concluded that pyrrolomycins and synthetic derivatives are promising compounds for developing novel effective chemical countermeasures against staphylococcal biofilms.
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