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.
MeSH terms
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Containment of Biohazards
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Culture Media
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Cysteine
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Fatty Acids / chemistry
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Francisella tularensis / chemistry
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Francisella tularensis / growth & development
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Francisella tularensis / isolation & purification*
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Humans
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Medical Laboratory Personnel
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Occupational Diseases / prevention & control
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Tularemia / diagnosis
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Tularemia / prevention & control
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Virulence
Substances
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Culture Media
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Fatty Acids
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Cysteine