Abstract
The effect of varying concentrations of Tween 80 on the antimicrobial potency of platensimycin and triclosan was investigated using both Streptococcus agalactiae (S. agalactiae) and methicillin-resistant Staphylococcus aureus (MRSA). In the presence of very low concentrations of Tween 80 (0.02%) both platensimycin and triclosan were rendered ineffective against S. agalactiae. A linear concentration-dependence was found with the antimicrobial activity of triclosan against MRSA showing a loss in effectiveness with increasing concentrations of Tween 80. Platensimycin, on the other hand, demonstrated improved antibiotic activity at higher concentrations of Tween 80. The differential effects of these two agents have implications for the regulation of lipids in Gram positive organisms and the viability of bacterial fatty acid synthesis inhibitors as antibiotics.
Keywords: Fatty acids, linezolid, methicillin-resistant Staphylococcus aureus, platensimycin, Streptococcus agalactiae, triclosan, Tween 80.
Anti-Infective Agents
Title:Bacterial Fatty Acid Synthesis: Effect of Tween 80 on Antibiotic Potency Against Streptococcus Agalactiae and Methicillin-Resistant Staphylococcus Aureus
Volume: 12 Issue: 1
Author(s): Dragan Krsta, Caron Ku, Ian T. Crosby, Ben Capuano and David T. Manallack
Affiliation:
Keywords: Fatty acids, linezolid, methicillin-resistant Staphylococcus aureus, platensimycin, Streptococcus agalactiae, triclosan, Tween 80.
Abstract: The effect of varying concentrations of Tween 80 on the antimicrobial potency of platensimycin and triclosan was investigated using both Streptococcus agalactiae (S. agalactiae) and methicillin-resistant Staphylococcus aureus (MRSA). In the presence of very low concentrations of Tween 80 (0.02%) both platensimycin and triclosan were rendered ineffective against S. agalactiae. A linear concentration-dependence was found with the antimicrobial activity of triclosan against MRSA showing a loss in effectiveness with increasing concentrations of Tween 80. Platensimycin, on the other hand, demonstrated improved antibiotic activity at higher concentrations of Tween 80. The differential effects of these two agents have implications for the regulation of lipids in Gram positive organisms and the viability of bacterial fatty acid synthesis inhibitors as antibiotics.
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Cite this article as:
Krsta Dragan, Ku Caron, Crosby Ian T., Capuano Ben and Manallack David T., Bacterial Fatty Acid Synthesis: Effect of Tween 80 on Antibiotic Potency Against Streptococcus Agalactiae and Methicillin-Resistant Staphylococcus Aureus, Anti-Infective Agents 2014; 12 (1) . https://dx.doi.org/10.2174/22113525113119990116
DOI https://dx.doi.org/10.2174/22113525113119990116 |
Print ISSN 2211-3525 |
Publisher Name Bentham Science Publisher |
Online ISSN 2211-3533 |
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