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Yersinia pestis on blood agar |
An image of Yersinia pestis.This photograph depicts the colonial morphology displayed by Yersinia pestis bacteria, which was grown on a medium of sheep’s blood agar (SBA), for a 72 hour time period, at a temperature of 37°C.
Yersinia was formerly classified in the family Pasteurellaceae, but based on DNA- DNA hybridization similarities to Escherichia coli, the Yersinia group has been reclassified as members of the Enterobacteriaceae family (Farmer, 1995).
Text: CDC
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Microscopy:
Gram-negative, non-spore-forming rods. |
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