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KMID : 0545120190290101603
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Journal of Microbiology and Biotechnology
2019 Volume.29 No. 10 p.1603 ~ p.1606
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Inhibitory Effects of Streptomyces sp. MBTH32 Metabolites on Sortase A and Sortase A-Mediated Cell Clumping of Staphylococcus aureus to Fibrinogen
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Chung Beom-Koo
Kwon Oh-Seok
Shin Jong-Heon
Oh Ki-Bong
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Abstract
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Sortase A (SrtA), a type of transpeptidase responsible for anchoring surface proteins to the peptidoglycan cell wall, is important in the virulence of gram-positive bacteria. Three compounds were isolated from marine-derived Streptomyces sp. MBTH32 using various chromatography techniques. The structures of these compounds were determined based on spectroscopic data and comparisons with previously reported data. Among the metabolites tested, lumichrome showed strong inhibitory activity against Staphylococcus aureus SrtA without affecting cell viability. The results of cell clumping activity assessment suggest the potential for using this compound to treat S. aureus infection by inhibiting SrtA activity.
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KEYWORD
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Marine Streptomyces, lumichrome, Staphylococcus aureus, sortase A, cell clumping
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