The DOI matches its Crossref record; 23 of the 23 references it cites were found in a registry or an index.
Biofilm dispersal in Xanthomonas campestris is controlled by cell–cell signaling and is required for full virulence to plants
Open accessAbstract
The rpf gene cluster of Xanthomonas campestris pathovar campestris(Xcc) is required for the pathogenesis of this bacterium to plants. Several rpf genes are involved in the coordinate positive regulation of the production of virulence factors mediated by the small diffusible molecule DSF (for diffusible signal factor). RpfF directs the synthesis of DSF, and a two-component sensory transduction system comprising RpfC and RpfG has been implicated in the perception of the DSF signal and signal transduction. In L medium,rpfF,rpfG, rpfC, and rpfGHC mutants grew as matrix-enclosed aggregates, whereas the wild type grew in a dispersed planktonic fashion. Synthesis of the extracellular polysaccharide xanthan was required for aggregate formation. Addition of DSF triggered dispersion of the aggregates formed by the rpfF strain, but not those of rpf strains defective in DSF signal transduction. An extracellular enzyme from Xcc whose synthesis was positively controlled by the DSF/rpf system could disperse the aggregates produced by all rpf strains. The enzyme was identified as the single endo-β-1,4-mannanase encoded by the Xcc genome. This enzyme had no detectable activity against soluble xanthan. The endo-β-1,4-mannanase was required for the full virulence of Xcc to plants. On the basis of this model system, we propose that one role of the β-mannanase during disease is to promote transitions from an aggregated or biofilm lifestyle to a planktonic lifestyle in response to the DSF signal.
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Cited by
Flemming, H.-C., & Wingender, J. (2010) · Nature Reviews Microbiology · doi:10.1038/nrmicro2415 · Cited by 10,137
Signals, Regulatory Networks, and Materials That Build and Break Bacterial Biofilms
Karatan, E., & Watnick, P. (2009) · Microbiology and Molecular Biology Reviews · doi:10.1128/mmbr.00041-08 · Cited by 1,048
agr-Mediated Dispersal of Staphylococcus aureus Biofilms
Boles, B. R., & Horswill, A. R. (2008) · PLoS Pathogens · doi:10.1371/journal.ppat.1000052 · Cited by 963
Biofilm Dispersal: Mechanisms, Clinical Implications, and Potential Therapeutic Uses
Kaplan, J. B. (2010) · Journal of Dental Research · doi:10.1177/0022034509359403 · Cited by 949
Rumbaugh, K. P., & Sauer, K. (2020) · Nature Reviews Microbiology · doi:10.1038/s41579-020-0385-0 · Cited by 907
Metadata
- Authors
- Dow, J. M., Crossman, L., Findlay, K., He, Y.-Q., Feng, J.-X., & Tang, J.-L.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 2003-09-05
- Volume
- 100
- Issue
- 19
- Pages
- 10995-11000
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2152786904
- Cited by
- 489
- References
- 23
- FWCI
- 13.00
- Type
- journal article
- Language
- en
- Open access
- green
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- Dow, J. M., Crossman, L., Findlay, K., He, Y.-Q., Feng, J.-X., & Tang, J.-L. (2003). Biofilm dispersal in Xanthomonas campestris is controlled by cell–cell signaling and is required for full virulence to plants. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.1833360100
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