{"title":"Glabridin synergy with norfloxacin induces ROS in multidrug resistant Staphylococcus aureus.","authors":"Vigyasa Singh, Anirban Pal, Mahendra P Darokar","doi":"10.2323/jgam.2021.06.002","DOIUrl":null,"url":null,"abstract":"<p><p>Glabridin (Glb), a polyphenolic flavonoid inhibits the growth of MDRSA (Multidrug resistant S. aureus) 4627 by inducing ROS. Glb in combination with Norfloxacin (Nor) synergistically induced oxidative stress. Increased ROS/RNS levels, in particular, affected macromolecules' (DNA, lipid, protein) integrity and distorted cell morphology. We found correlation between drug-effects and up-/down-regulation of oxidative stress-related as well as MDR genes. These findings could considerably potentiate the dosing routine of Nor in combination with Glb, which holds a promising prospective as a antibacterial agent against S. aureus.</p>","PeriodicalId":15842,"journal":{"name":"Journal of General and Applied Microbiology","volume":"67 6","pages":"269-272"},"PeriodicalIF":0.8000,"publicationDate":"2021-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of General and Applied Microbiology","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.2323/jgam.2021.06.002","RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2021/10/23 0:00:00","PubModel":"Epub","JCR":"Q4","JCRName":"BIOTECHNOLOGY & APPLIED MICROBIOLOGY","Score":null,"Total":0}
引用次数: 4
Abstract
Glabridin (Glb), a polyphenolic flavonoid inhibits the growth of MDRSA (Multidrug resistant S. aureus) 4627 by inducing ROS. Glb in combination with Norfloxacin (Nor) synergistically induced oxidative stress. Increased ROS/RNS levels, in particular, affected macromolecules' (DNA, lipid, protein) integrity and distorted cell morphology. We found correlation between drug-effects and up-/down-regulation of oxidative stress-related as well as MDR genes. These findings could considerably potentiate the dosing routine of Nor in combination with Glb, which holds a promising prospective as a antibacterial agent against S. aureus.
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JGAM is going to publish scientific reports containing novel and significant microbiological findings, which are mainly devoted to the following categories: Antibiotics and Secondary Metabolites; Biotechnology and Metabolic Engineering; Developmental Microbiology; Environmental Microbiology and Bioremediation; Enzymology; Eukaryotic Microbiology; Evolution and Phylogenetics; Genome Integrity and Plasticity; Microalgae and Photosynthesis; Microbiology for Food; Molecular Genetics; Physiology and Cell Surface; Synthetic and Systems Microbiology.
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