A motile but non-swarming mutant of Proteus mirabilis lacks FlgN, a facilitator of flagella filament assembly.

@article{Gygi1997AMB,
  title={A motile but non-swarming mutant of Proteus mirabilis lacks FlgN, a facilitator of flagella filament assembly.},
  author={D Gygi and Gillian M. Fraser and Alexandre Dufour and Colin Hughes},
  journal={Molecular microbiology},
  year={1997},
  volume={25 3},
  pages={597-604}
}
A TnphoA mutant of Proteus mirabilis was isolated, which had lost the ability to swarm, yet was still motile. The transposon had inserted into flgN, a flagella gene encoding a 147-amino-acid protein of undefined function. Proteus flgN is arranged in an operon with the class III anti-sigma28 gene, flgM, flanked by the class II genes, flgA, flgBCD and flhBA, and a novel putative virulence-related gene. The flgN mutation caused a substantial reduction in cell surface-associated flagellin… CONTINUE READING

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