Article Publish Status: FREE
Abstract Title:

Unraveling the Novel Effect of Patchouli Alcohol Against the Antibiotic Resistance of.

Abstract Source:

Front Microbiol. 2021 ;12:674560. Epub 2021 Jun 2. PMID: 34149664

Abstract Author(s):

Yuanzun Zhong, Liyao Tang, Qiuhua Deng, Li Jing, Jiao Zhang, Yao Zhang, Feng Yu, Yijun Ou, Shaoju Guo, Bin Huang, Hongying Cao, Ping Huang, Yifei Xu

Article Affiliation:

Yuanzun Zhong


The long-term colonization ofcan cause various gastrointestinal diseases, and its high genetic variability is prone to antibiotic resistance and leads to failure of clinical treatment. Intracellular survival also contributes to the drug tolerance of. Patchouli alcohol (PA) shows a highly efficient activity againstand. And this study aims to explore whether PA can reduce the resistance ofand determine the underlying mechanism. Checkerboard and time-kill bactericidal curve assay reveal that the combination of PA and clarithromycin (CLR) promoted the inhibition and bactericidal effect against. Stimulation of CLR leads to the internalization of, but PA can effectively inhibit the invasion induced by CLR. Compared with antibiotics, PA remarkably eradicated the intracellular, and this intracellular sterilized ability was further improved in combination with antibiotics (CLR and metronidazole). The expression ofefflux pump genes (,, and) was dose-dependently downregulated by PA. Digital droplet PCR indicated that themutant of A2143G can be inhibited by PA. Cellular uptake and transport assays showed that PA is rapidly absorbed, which promotes its activity against intracellular bacteria. Therefore, PA can act synergistically with CLR as a candidate treatment against drug-resistant.

Study Type : In Vitro Study

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Sayer Ji
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