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Thin aggregative fimbriae enhance Salmonella enteritidis biofilm formation
Abstract
Salmonella enteritidis enteropathogens produce a variety of potentially adherent fimbrial types including SEF14, SEF17, SEF18 and SEF21 (type I). In a simplified, pure culture, biofilm generating system the virulent isolate, S. enteritidis 3b, readily adhered to Teflon (polytetrafluoroethylene) and stainless steel forming thick cell aggregates. The inability of an isogenic SEF17-deficient mutant to form thick biofilms suggested a role for SEF17 in stabilizing cell-cell interactions during biofilm formation. Epifluorescent detection of SEF17 in biofilms confirmed the association of these fimbriae with aggregated cells but not with adherent mutants unable to produce SEF17. The reduced adherence observed with an isogenic SEF14/SEF21-deficient strain implicated the involvement of additional cell surface adherence factors, possibly including SEF21 (type I) fimbriae in the adherence of S. enteritidis to stainless steel or Teflon. The role of SEF17 fimbriae in biofilm formation and the contributions of SEF17 to the persistence of Salmonellae on surfaces and in food are discussed.
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Cited by
Role of Escherichia coli Curli Operons in Directing Amyloid Fiber Formation
Chapman, M. R., Robinson, L. S., Pinkner, J. S., Roth, R., Heuser, J., Hammar, M., Normark, S., & Hultgren, S. J. (2002) · Science · doi:10.1126/science.1067484 · Cited by 1,298
Genetic analysis of Salmonella enteritidis biofilm formation: critical role of cellulose
Solano, C., García, B., Valle, J., Berasain, C., Ghigo, J., Gamazo, C., & Lasa, I. (2002) · Molecular Microbiology · doi:10.1046/j.1365-2958.2002.02802.x · Cited by 554
Biofilm-associated persistence of food-borne pathogens
Bridier, A., Sanchez-Vizuete, P., Guilbaud, M., Piard, J.-C., Naïtali, M., & Briandet, R. (2015) · Food Microbiology · doi:10.1016/j.fm.2014.04.015 · Cited by 507
Römling, U., Rohde, M., Olsén, A., Normark, S., & Reinköster, J. (2000) · Molecular Microbiology · doi:10.1046/j.1365-2958.2000.01822.x · Cited by 437
Adhesins Involved in Attachment to Abiotic Surfaces by Gram-Negative Bacteria
Berne, C., Ducret, A., Hardy, G. G., & Brun, Y. V. (2015) · Microbiology Spectrum · doi:10.1128/microbiolspec.mb-0018-2015 · Cited by 323
Metadata
- Authors
- Austin, J.
- Venue
- FEMS Microbiology Letters
- Publisher
- Oxford University Press (OUP)
- Published
- 1998-05-15
- Volume
- 162
- Issue
- 2
- Pages
- 295-301
- ISSN
- 0378-1097 (ISSN-L)
- OpenAlex
- W2052231010
- Cited by
- 240
- References
- 0
- FWCI
- 1.35
- Type
- journal article
- Language
- en
- Open access
- closed
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- Austin, J. (1998). Thin aggregative fimbriae enhance Salmonella enteritidis biofilm formation. FEMS Microbiology Letters. https://doi.org/10.1016/s0378-1097(98)00137-2
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
