Question
Asked Apr 10, 2019
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Does Phenol red organism have to be methyl red?

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Expert Answer

Step 1

It is required to find if the phenyl red organisms are also methyl red in the indicator tests.

Step 2

The methyl red test and the Voges-Proskauer (VP) broth is a part of the IMViC test as the medium is such that both the tests can be performed on them. The IMViC test consists of a series of four tests for each abbreviated letter I- Indole production, M- Methyl Red test, V- Voges-Proskauer test and C- Citrate production test. These tests are used for differentiating the Enterobacteriaceae species.

Step 3

The methyl Red test is carried out by addition of pH indicator methyl red to an inoculated tube of the Methyl Red- Voges-Proskauer...

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