In the identification of mycobacterial isolates,the Tween 80 test involves:
A)an enzyme that is able to produce Tween 80 from certain ingredients found in the medium.
B)a lipase that is able to hydrolyze polyoxyethylene sorbitan monooleate into oleic acid and polyoxyethylated sorbitol.
C)the metabolism of niacin to nicotinic acid by enzymatic action.
D)testing the isolate for susceptibility to Tween 80.

Question

Quizplus · Accepted Answer

The commonly nonpathogenic,slow-growing scotochromogens and nonphotochromogens produce a lipase that is able to hydrolyze Tween 80 (the detergent polyoxyethylene sorbitan monooleate)into oleic acid and polyoxyethylated sorbitol,whereas pathogenic species do not.This test is useful in differentiating these species.

In the Identification of Mycobacterial Isolates,the Tween 80 Test Involves