EBK MICROBIOLOGY-LAB.MAN.
EBK MICROBIOLOGY-LAB.MAN.
12th Edition
ISBN: 9780135174647
Author: CAPPUCCINO
Publisher: PEARSON
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Chapter 14, Problem 62E.2RQ
Summary Introduction

To explain: The mechanism of bile esculin test.

Introduction: Bile esculin test is used to distinguish enterococci and group-D streptococci from non-group D viridans streptococci. Esculin, which is a glycosidic coumarin derivative (6-beta-glucoside-7-hydroxy-coumarin), is hydrolyzed by many bacteria, but only a few bacteria hydrolyze esculin when bile is present.

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