Antimicrobial Mechanism of Hydroquinone
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With growing concern about the possible risks and side effects of antibiotic drugs, more and more natural products with antibacterial activity are studied as the substitutes. In this paper, the antibacterial activity of hydroquinone and arbutin in Ainsliaea bonatii was investigated, which both displayed relatively strong antibacterial activity against Staphylococcus aureus (SA), methicillin-resistant S. aureus (MRSA), and extended spectrum β-lactamase S. aureus (ESBL-SA). The antibacterial mechanism of hydroquinone had been explored by scanning electron microscopy (SEM), alkaline phosphatase (AKP), and bacterial extracellular protein leakage. Results showed that hydroquinone could destroy the bacterial cell wall and membrane, increase permeability, lead leakage of intracellular substance affect synthesis of protein, and influence expression of genes.
KeywordsAinsliaea bonatii Hydroquinone Arbutin Antibacterial mechanism Staphylococcus aureus
We gratefully acknowledge the valuable cooperation of the members of the National Center for Research and Development of Edible Fungus Processing Technology, Henan University, in the experiments.
This work was supported by grant (2017YFC1601400) from the Ministry of Science and Technology of the People’s Republic of China and grant (182102110332) from the Scientific and Technology Department of Henan Province.
Compliance with Ethical Standards
Statement of Ethics
We declare that the ethical background of this study was approved by the National Ethical Committee.
Conflict of Interest
The authors declare that they have no conflicts of interest.
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