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Early recognition of atypical Francisella tularensis strains lacking a cysteine requirement
K Bernard1, S Tessier, J Winstanley
1National Laboratory for Bacteriology, Laboratory Centre for Disease Control, Ottawa, Ontario, Canada.
Journal of Clinical Microbiology
|February 1, 1994
Abstract:
Seven cultures referred to in our laboratories as unidentified gram-negative bacilli or Haemophilus species were identified as atypical strains of Francisella tularensis lacking a requirement for cysteine or enriched medium for growth. The use of cellular fatty acid composition analysis facilitated early recognition of this pathogen and prompt implementation of appropriate biosafety measures.