Journal
JOURNAL OF BACTERIOLOGY
Volume 193, Issue 11, Pages 2695-2707Publisher
AMER SOC MICROBIOLOGY
DOI: 10.1128/JB.01172-10
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Funding
- BBSRC [BB/D015855/1]
- Graduate School for Frontier Biosciences, Osaka University
- BBSRC DTG
- BBSRC [BB/D015855/1] Funding Source: UKRI
- Grants-in-Aid for Scientific Research [21227006] Funding Source: KAKEN
- Biotechnology and Biological Sciences Research Council [BB/D015855/1] Funding Source: researchfish
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Bacterial flagella play key roles in surface attachment and host-bacterial interactions as well as driving motility. Here, we have investigated the ability of Caulobacter crescentus to assemble its flagellar filament from six flagellins: FljJ, FljK, FljL, FljM, FljN, and FljO. Flagellin gene deletion combinations exhibited a range of phenotypes from no motility or impaired motility to full motility. Characterization of the mutant collection showed the following: (i) that there is no strict requirement for any one of the six flagellins to assemble a filament; (ii) that there is a correlation between slower swimming speeds and shorter filament lengths in Delta fljK Delta fljM mutants; (iii) that the flagellins FljM to FljO are less stable than FljJ to FljL; and (iv) that the flagellins FljK, FljL, FljM, FljN, and FljO alone are able to assemble a filament.
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