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- W2854833382 abstract "Abstract P . aeruginosa is a notorious biofilm producer that causes a wide variety of acute and chronic infections. In this study the in vitro anti-biofilm activity of 13 Host Defence Peptides from different species was tested against P . aeruginosa biofilms. Most HDPs were able to prevent biofilm attachment, due to their antimicrobial effect on planktonic bacteria in the starting inoculum. Activity of HDPs against pre-formed biofilms was also observed, although mainly at short incubation times. Several HDPs were able to kill bacteria in the biofilm (colony counting of biofilm associated bacteria) but only CRAMP eradicated the whole biofilm (crystal violet staining). These results were quantitatively confirmed by confocal microscopy studies using a live/dead stain of the biofilms. Furthermore, for chicken CATH-2 (one of the more potent HDPs) it was shown that the peptide could indeed penetrate the biofilm structures and kill bacteria within the biofilm. These studies highlight the potency but also the limitations of HDPs as new potential anti-biofilm agents." @default.
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- W2854833382 date "2018-07-11" @default.
- W2854833382 modified "2023-10-16" @default.
- W2854833382 title "Inhibition and Eradication of Pseudomonas aeruginosa Biofilms by Host Defence Peptides" @default.
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- W2854833382 doi "https://doi.org/10.1038/s41598-018-28842-8" @default.
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