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논문 기본 정보

자료유형
학술저널
저자정보
Tao Ye (Changchun University of Chinese Medicine Changchun 130117 P.R. ChinaThe Affiliated Hospital to Chan) Sun Dazhong (First School of Clinical Medicine Guangzhou University of Chinese Medicine Guangzhou 510006 P.R. Ch) Ren Xinran (School of Pharmaceutical Science Jilin University Changchun 130021 P.R. China) Zhao Yicheng (Changchun University of Chinese Medicine Changchun 130117 P.R. ChinaCenter for Pathogen Biology and) Zhang Hengjian (Changchun University of Chinese Medicine Changchun 130117 P.R. China) Jiang Tao (Changchun University of Chinese Medicine Changchun 130117 P.R. China) Guan Jiyu (Key Laboratory of Zoonosis Ministry of Education College of Veterinary Medicine Jilin University Ch) Tang Yong (Changchun University of Chinese Medicine Changchun 130117 P.R. China) Song Wu (Changchun University of Chinese Medicine Changchun 130117 P.R. China) Li Shuqiang (Department of Orthopedic Surgery The First Hospital of Jilin University Changchun 130062 P.R. China) Wang Li (Changchun University of Chinese Medicine Changchun 130117 P.R. China)
저널정보
한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제32권 제10호
발행연도
2022.10
수록면
1,253 - 1,261 (9page)
DOI
10.4014/jmb.2207.07048

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Staphylococcus aureus (S. aureus) infection causes dramatic harm to human health as well as to livestock development. As an important virulence factor, alpha-hemolysin (hla) is critical in the process of S. aureus infection. In this report, we found that bavachin, a natural flavonoid, not only efficiently inhibited the hemolytic activity of hla, but was also capable of inhibiting it on transcriptional and translational levels. Moreover, further data revealed that bavachin had no neutralizing activity on hla, which did not affect the formation of hla heptamers and exhibited no effects on the hla thermal stability. In vitro assays showed that bavachin was able to reduce the S. aureus-induced damage of A549 cells. Thus, bavachin repressed the lethality of pneumonia infection, lung bacterial load and lung tissue inflammation in mice, providing potent protection to mice models in vivo. Our results indicated that bavachin has the potential for development as a candidate hla inhibitor against S. aureus.

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