Escherichia coli strains colonising the gastrointestinal tract protect germfree mice against Salmonella typhimurium infection.

Abstract

BACKGROUND Escherichia coli is part of the normal gastrointestinal microflora which exerts a barrier effect against enteropathogens. Several E coli strains develop a protective effect against other Enterobacteriaceae. AIMS Two E coli strains, EM0, a human faecal strain, and JM105 K-12 were tested for their ability to prevent in vivo and in vitro infection… (More)

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