Characterisation of Exiguobacterium aurantiacum isolates from blood cultures of six patients

Tyrone L. Pitt*, H. Malnick, J. Shah, Marie Anne Chattaway, C. J. Keys, F. J. Cooke, Haroun Shah

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

Exiguobacterium spp. are alkaliphilic, halotolerant, non-spore-forming Gram-positive bacilli, hitherto uncharacterised from human infections. Six isolates of Exiguobacterium aurantiacum were obtained from patients with bacteraemia, three of whom had myeloma. All isolates formed orange-yellow pigmented colonies on blood agar, were catalase- and DNase-positive, and grew on nutrient agar at pH 10 and in the presence of NaCl 6% w/v. The six isolates were susceptible to all antimicrobial agents tested and were uniform in their fatty acid and mass spectrum profiles.

Original languageEnglish
Pages (from-to)946-948
Number of pages3
JournalClinical Microbiology and Infection
Volume13
Issue number9
DOIs
Publication statusPublished - Sep 2007

Keywords

  • Bacteraemia
  • Exiguobacterium aurantacum
  • Human infections
  • Identification
  • Mass spectrum profiles
  • Susceptibility

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