Abstract
Listeria monocytogenes and Listeria innocua differ markedly in virulence but are indistinguishable by classical taxonomic criteria. Both species are actively motile and produce abundant flagellin at 22 °C. We have found, however, noticeable differences between L. monocytogenes and L. innocua in motility and flagellin production at 37 °C. At this temperature, L. monocytogenes strains were virtually nonmotile and produced little or no detectable flagellin, whereas strains of L. innocua were frequently motile and produced substantial amounts of flagellin. This flagellin was recognized by a Listeria genus-specific monoclonal antibody that also recognized flagellin produced at 22 °C. These results suggest differential regulation of flagellin production between L. monocytogenes and L. innocua at 37 °C.Key words: Listeria monocytogenes, Listeria innocua, flagellin, motility, temperature, pathogenesis.
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Dates
Type | When |
---|---|
Created | 15 years, 10 months ago (Oct. 8, 2009, 1:52 p.m.) |
Deposited | 5 years, 3 months ago (May 22, 2020, 5:58 p.m.) |
Indexed | 1 year, 3 months ago (May 7, 2024, 1:41 p.m.) |
Issued | 30 years, 2 months ago (July 1, 1995) |
Published | 30 years, 2 months ago (July 1, 1995) |
Published Print | 30 years, 2 months ago (July 1, 1995) |
@article{Kathariou_1995, title={Repression of motility and flagellin production at 37 °C is stronger inListeria monocytogenesthan in the nonpathogenic speciesListeria innocua}, volume={41}, ISSN={1480-3275}, url={http://dx.doi.org/10.1139/m95-076}, DOI={10.1139/m95-076}, number={7}, journal={Canadian Journal of Microbiology}, publisher={Canadian Science Publishing}, author={Kathariou, S. and Mizumoto, C. and Kanenaka, R. and Allen, R. D. and Fok, A. K.}, year={1995}, month=jul, pages={572–577} }