Article Publish Status: FREE
Abstract Title:

Astilbin Inhibits the Activity of Sortase A from.

Abstract Source:

Molecules. 2019 Jan 28 ;24(3). Epub 2019 Jan 28. PMID: 30696091

Abstract Author(s):

Junxian Wang, Yan Shi, Shisong Jing, Haisi Dong, Dacheng Wang, Tiedong Wang

Article Affiliation:

Junxian Wang


() is the primary etiological agent of dental caries. Theenzyme sortase A (SrtA) is responsible for anchoring bacterial cell wall surface proteins involved in host cell attachment and biofilm formation. Thus, SrtA is an attractive target for inhibiting dental caries caused by-associated acid fermentation. In this study, we observed that astilbin, a flavanone compound extracted from, has potent inhibitory activity against theSrtA, with an ICof 7.5μg/mL. In addition, astilbin was proven to reduce the formation of biofilm while without affecting the growth of. The results of a molecular dynamics simulation and a mutation analysis revealed that the Arg213, Leu111, and Leu116 of SrtA are important for the interaction between SrtA and astilbin. The results of this study demonstrate the potential of using astilbin as a nonbactericidal agent to modulate pathogenicity ofby inhibiting the activity of SrtA.

Study Type : In Vitro Study

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