Mobiluncus curtisii Bacteremia: Case Study and Literature Review

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2 Scopus citations


BACKGROUND: There are few reports of bacteremia caused by Mobiluncus  curtisii in the literature. We present a review of the literature in addition to a case study.

METHOD: We describe the case of an 82-year-old patient who underwent gastrointestinal surgery and subsequently presented with dehydration, nausea, and hyperkalemia secondary to diarrhea. Further clinical work included blood cultures, and the patient was started empirically on piperacillin/tazobactam.

RESULTS: After five days, the blood culture bottle showed growth of a gram-variable, curved rod-shaped organism. After culture under anaerobic conditions on sheep blood agar, the organism was identified as Mobiluncus  curtisii by MALDI-TOF mass spectrometry and enzymatic technology. A review of the literature reveals five additional cases of Mobiluncus  curtisii bacteremia.

CONCLUSIONS: This is the sixth case in the literature describing Mobiluncus species bacteremia. This organism is rarely identified in blood culture and is most often thought of in the context of bacterial vaginosis. However, the reported cases of bacteremia show gastrointestinal symptoms and presumed gastrointestinal source of infection. The pathogenesis of infection of this organism requires further investigation.

Original languageEnglish (US)
Pages (from-to)82-87
Number of pages6
JournalInfectious Disease Reports
Issue number1
StatePublished - Feb 2022

Bibliographical note

Funding Information:
Infectious Diseases Diagnostic Laboratory (IDDL) staff at the University of Minnesota Medical Center.

Publisher Copyright:
© 2022 by the authors. Licensee MDPI, Basel, Switzerland.


  • Anaerobic
  • Bacteremia
  • Blood culture
  • Microbiology
  • Mobiluncus curtisii

PubMed: MeSH publication types

  • Case Reports


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