Inhibition of Type III Secretion in Salmonella enterica Serovar Typhimurium by Small-Molecule Inhibitors

Author:

Hudson Debra L.1,Layton Abigail N.1,Field Terry R.1,Bowen Alison J.1,Wolf-Watz Hans2,Elofsson Mikael3,Stevens Mark P.1,Galyov Edouard E.1

Affiliation:

1. Division of Microbiology, Institute for Animal Health, Compton, Berkshire RG20 7NN, United Kingdom

2. Department of Molecular Biology

3. Department of Chemistry, Umeå University, SE-90187 Umeå, Sweden

Abstract

ABSTRACT Type III secretion systems (T3SS) are conserved in many pathogenic gram-negative bacteria. Small molecules that specifically target T3SS in Yersinia and Chlamydia spp. have recently been identified. Here we show that two such compounds inhibit Salmonella T3SS-1, preventing secretion of T3SS-1 effectors, invasion of cultured epithelial cells, and enteritis in vivo.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

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