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Possible role of L-form switching in recurrent urinary tract infection

Nature Communications, ISSN: 2041-1723, Vol: 10, Issue: 1, Page: 4379
2019
  • 67
    Citations
  • 0
    Usage
  • 229
    Captures
  • 25
    Mentions
  • 160
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    67
  • Captures
    229
  • Mentions
    25
    • News Mentions
      23
      • 23
    • Blog Mentions
      1
      • 1
    • References
      1
      • 1
  • Social Media
    160
    • Shares, Likes & Comments
      160
      • Facebook
        160

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Article Description

Recurrent urinary tract infection (rUTI) is a major medical problem, especially in the elderly and infirm, but the nature of the reservoir of organisms responsible for survival and recolonisation after antibiotic treatment in humans is unclear. Here, we demonstrate the presence of cell-wall deficient (L-form) bacteria in fresh urine from 29 out of 30 older patients with rUTI. In urine, E. coli strains from patient samples readily transition from the walled state to L-form during challenge with a cell wall targeting antibiotic. Following antibiotic withdrawal, they then efficiently transition back to the walled state. E. coli switches between walled and L-form states in a zebrafish larva infection model. The results suggest that L-form switching is a physiologically relevant phenomenon that may contribute to the recurrence of infection in older patients with rUTI, and potentially other infections.

Bibliographic Details

Mickiewicz, Katarzyna M; Kawai, Yoshikazu; Drage, Lauren; Gomes, Margarida C; Davison, Frances; Pickard, Robert; Hall, Judith; Mostowy, Serge; Aldridge, Phillip D; Errington, Jeff

Springer Science and Business Media LLC

Chemistry; Biochemistry, Genetics and Molecular Biology; Physics and Astronomy

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