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Vibrio cholerae on TCBS |
Colonies of V. cholerae on TCBS agar are large (2-4 mm) and yellow because of the fermentation of sucrose. They are characteristically round, smooth, glistening, and slightly flattened.
TCBS is the medium of choice for the isolation of V. cholerae and is widely used worldwide. TCBS agar is commercially available and easy to prepare, requires no autoclaving, and is highly differential and selective. It is not suitable for direct testing with V. cholerae O1 antisera.
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Microscopy:
Gram-negative, curved, non-spore-forming rods. |
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