Serveur d'exploration sur les effecteurs de phytopathogènes

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The in vitro and in vivo anti-virulence activities of Cinnamomum bejolghota by inhibiting type three secretion system effector proteins of Salmonella.

Identifieur interne : 000025 ( Main/Exploration ); précédent : 000024; suivant : 000026

The in vitro and in vivo anti-virulence activities of Cinnamomum bejolghota by inhibiting type three secretion system effector proteins of Salmonella.

Auteurs : Yan Liu [République populaire de Chine] ; Dongdong Zhang [République populaire de Chine] ; Rongrong Gao [République populaire de Chine] ; Xiaochun Zhang [République populaire de Chine] ; Xuefei Yang [République populaire de Chine] ; Chunhua Lu [République populaire de Chine]

Source :

RBID : pubmed:33116038

Abstract

The bark of Cinnamomum bejolghota (Buch.-Ham.) Sweet (C. bejolghota) is widely used as medicine to treat bacterial diarrhea in Myanmar. We previously reported that the bark extract of C. bejolghota significantly inhibited secretion effector proteins of the type three secretion system (T3SS) in Salmonella. This study is designed to investigate the anti-virulence potential of the C. bejolghota bark extract against Salmonella Typhimuriumin in in vivo and in vitro experiments. The results suggested that the polar fraction Fr.M1 inhibited the secretion of effector proteins SipA, SipB, SipC and SipD without affecting bacteria growth and the translocation of SipC into MDA-MB-231 cells. In addition, Fr.M1 alleviated inflammatory symptoms of mice in Salmonella-infected mouse model. Overall, the results provide evidence for medicinal usage of C. bejolghota bark to treat diarrhea in Myanmar.

DOI: 10.5582/ddt.2020.03071
PubMed: 33116038


Affiliations:


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