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The Importance of Rhamnolipid-Biosurfactant-Induced Changes in Bacterial Membrane Lipids of Bacillus subtilis for the Antimicrobial Activity of Thiosulfonates by Anna Sotirova; Tatyana Avramova; Stoyanka Stoitsova; Irina Lazarkevich; Vera Lubenets; Elena Karpenko; Danka Galabova is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.
What is The Importance of Rhamnolipid-Biosurfactant-Induced Changes in Bacterial Membrane Lipids of Bacillus subtilis for the Antimicrobial Activity of Thiosulfonates about?
The antimicrobial properties of methyl (MTS) and ethyl (ETS) esters of thiosulfonic acid alone and in combination with rhamnolipid-biosurfactant (RL) have been characterized for their ability to disrupt the normal physiological functions of living pathogens. Bactericidal and fungicidal activities of MTS and ETS and their combination with rhamnolipid were demonstrated on strains of Pseudomonas aeruginosa, Bacillus subtilis, Alcaligenes faecalis, and Rhizopus ngtricans. It was found that the combination of rhamnolipid and thiosulfonic esters has a synergistic effect leading to decreasing of bactericidal and fungicidal concentrations of MTS and ETS. More extensively was studied the effect of rhamnolipid on the lipid composition of B. subtilis bacterial membrane. To our knowledge, in this article is reported for the first time a remarkable increase of negatively charged phospholipid cardiolipin in the presence of rhamnolipid. The capacity of RL as a surface-active substance was confirmed by scanning electron microscopy (SEM). The occurrence of surface infolds and blebs on B. subtilis shown by SEM, was not accompanied by changes in membrane permeability tested by a live/dead viability s
Who reads The Importance of Rhamnolipid-Biosurfactant-Induced Changes in Bacterial Membrane Lipids of Bacillus subtilis for the Antimicrobial Activity of Thiosulfonates?
It is typically read by researchers, students, and practitioners in Biochemistry, Genetics and Molecular Biology.
- Author
- Anna Sotirova; Tatyana Avramova; Stoyanka Stoitsova; Irina Lazarkevich; Vera Lubenets; Elena Karpenko; Danka Galabova
- Publisher
- Springer; Springer-Verlag; Springer Verlag; Springer Science and Business Media LLC; Springer Nature (ISSN 0343-8651)
- Published
- 2012
- Language
- EN
- Field
- Biochemistry, Genetics and Molecular Biology (Life Sciences)