... germ tubes . Although C. dubliniensis and C. africana are infrequently encountered in clinical specimens , supplemental biochemical or morphologic testing may ... Germ Tube Test Cryptococcus neoformans Rapid Urease Test Rapid Trehalose Test.
... Indole. Test. Purpose Negative: No color development or slightly Quality Control This test is used to determine the presence of pink color (Figure 13-41, B). Positive: Escherichia coli (ATCC25922) the enzyme tryptophanase. It is a rapid ...
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