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The Genus Ochrobactrum as Major Opportunistic Pathogens.

Michael P Ryan1,2, J Tony Pembroke2

  • 1Department of Applied Sciences, Limerick Institute of Technology, Moylish, V94 EC5T Limerick, Ireland.

Microorganisms
|November 19, 2020
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Summary

Ochrobactrum species, related to Brucella, are increasingly recognized as opportunistic pathogens. This review highlights 128 documented Ochrobactrum infections, suggesting they pose a greater threat than previously understood.

Keywords:
Ochrobactrumenvironmental bacterianosocomial infection

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Area of Science:

  • Microbiology
  • Bacteriology
  • Infectious Diseases

Background:

  • Ochrobactrum are Gram-negative, non-enteric bacteria, closely related to Brucella.
  • Several Ochrobactrum species have been identified since 1988 and linked to opportunistic infections.
  • These bacteria are increasingly implicated in various outbreaks.

Purpose of the Study:

  • To review the Ochrobactrum genus, including its species, identification methods, and pathogenicity.
  • To analyze data from recent whole-genome sequencing of Ochrobactrum.
  • To assess the significance of Ochrobactrum infections based on published literature.

Main Methods:

  • Literature review of Ochrobactrum infections.
  • Analysis of diagnostic tools for Ochrobactrum identification.
  • Examination of whole-genome sequencing data for Ochrobactrum species.
  • Compilation and analysis of reported Ochrobactrum pathogenicity.

Main Results:

  • The review identified 128 documented instances of Ochrobactrum spp. infections in the literature.
  • Ochrobactrum infections are linked to opportunistic pathogenicity.
  • Whole genome sequencing data provides insights into Ochrobactrum biology.

Conclusions:

  • Ochrobactrum spp. are more significant pathogens than previously recognized.
  • Clinical microbiology laboratories should consider Ochrobactrum outbreaks when isolated from multiple patients.
  • Further investigation into Ochrobactrum pathogenicity and diagnostics is warranted.