Skip to Main content Skip to Navigation
Journal articles

Efflux Pumps Are Involved in the Defense of Gram-Negative Bacteria against the Natural Products Isobavachalcone and Diospyrone

Abstract : The activities of two naturally occurring compounds, isobavachalcone and diospyrone, against documented strains and multidrug-resistant (MDR) Gram-negative bacterial isolates were evaluated. The results indicated that the two compounds exhibited intrinsic antibacterial activity against several Gram-negative bacteria, and their activities were significantly improved in the presence of an efflux pump inhibitor (MIC values decreased to below 10 g/ml). In addition, the activities of isobavachalcone and diospyrone against various strains exhibiting deletions of the major efflux pump components (AcrAB, TolC) were significantly increased. The overall results indicate that isobavachalcone and diospyrone could be candidates for the development of new drugs against MDR strains and that their use in combination with efflux pump inhibitors reinforces their activity.
Complete list of metadatas

https://hal-amu.archives-ouvertes.fr/hal-01425045
Contributor : Sandrine Alibert <>
Submitted on : Tuesday, January 3, 2017 - 11:53:18 AM
Last modification on : Saturday, October 3, 2020 - 3:21:01 AM
Long-term archiving on: : Tuesday, April 4, 2017 - 1:15:30 PM

File

AAC2010(54).pdf
Publisher files allowed on an open archive

Identifiers

Collections

Citation

Victor Kuete, Barthélémy Ngameni, Jean Tangmouo, Jean-Michel Bolla, Sandrine Alibert-Franco, et al.. Efflux Pumps Are Involved in the Defense of Gram-Negative Bacteria against the Natural Products Isobavachalcone and Diospyrone. Antimicrobial Agents and Chemotherapy, American Society for Microbiology, 2010, 54 (5), pp.1749 - 1752. ⟨10.1128/AAC.01533-09⟩. ⟨hal-01425045⟩

Share

Metrics

Record views

172

Files downloads

391