Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 351283
Title Arginine-dependent acid resistance in Salmonella enterica serovar Typhimurium
Author(s) Kieboom, J.; Abee, T.
Source Journal of Bacteriology 188 (2006)15. - ISSN 0021-9193 - p. 5650 - 5653.
Department(s) Food Microbiology
Publication type Refereed Article in a scientific journal
Publication year 2006
Keyword(s) escherichia-coli - tolerance response - molecular characterization - agmatine antiporter - shigella-flexneri - receptor protein - ph - decarboxylase - expression - dt104
Abstract Salmonella enterica serovar Typhimurium does not survive a pH 2.5 acid challenge under conditions similar to those used for Escherichia coli (J. W. Foster, Nat. Rev. Microbiol. 2:898-907, 2004). Here, we provide evidence that S. enterica serovar Typhimurium can display arginine-dependent acid resistance (AR) provided the cells are grown under anoxic conditions and not under the microaerobic conditions used for assessment of AR in E. coli. The role of the arginine decarboxylase pathway in Salmonella AR was shown by the loss of AR in mutants lacking adiA, which encodes arginine decarboxylase; adiC, which encodes the arginine-agmatine antiporter; or adiY, which encodes an AraC-like regulator. Transcription of adiA and adiC was found to be dependent on AdiY, anaerobiosis, and acidic pH
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