Article
A competitive microflora increases the resistance of Salmonella typhimurium to inimical processes: evidence for a suicide response.
Applied and environmental microbiology - 1 Apr 1998
Aldsworth T G, Sharman R L, Dodd C E, Stewart G S
Abstract excerpt
The presence of a viable competitive microflora at cell densities of 10(8) CFU ml-1 protects an underlying population of 10(5) CFU of Salmonella typhimurium ml-1 against freeze injury. The mechanism of enhanced resistance was initially postulated to be via an RpoS-mediated adaptive response. By using an spvRA:: luxCDABE reporter we have shown that although the onset of RpoS-mediated gene expression was brought...
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