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indole
(redirected from Indol)

   Also found in: Wikipedia 0.03 sec.
indole /in·dole/ (in´dōl) a compound obtained from coal tar and indigo and produced by decomposition of tryptophan in the intestine, where it contributes to the peculiar odor of feces. It is excreted in the urine in the form of indican.
in·dole (ndl)
n.
1. A white crystalline compound obtained from coal tar or various plants and found in the intestines and feces as a product of the bacterial decomposition of tryptophan. Also called ketole.
2. Any of various derivatives of this compound.

indole
[in′dōl]
a volatile chemical produced during serotonin metabolism. It is partly responsible for the odor of the feces.

indole
a compound obtained from coal tar and indigo and produced by decomposition of tryptophan in the intestine, where it contributes to the peculiar odor of feces. It is excreted in the urine in the form of indican. 3-Methyl-indole and L-tryptophan are implicated in causing acute interstitial pneumonia in cattle.

indole alkaloids
include β-carbolines, dimethyl tryptamines, hydroxy methyltryptamines, alstonines.
indole test
a biochemical test for the identification of bacteria, based on the production of indole from tryptophan in the medium provided.


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Because of this unusual phenotype, the standard identification procedure (Gram staining, oxidase, indol, methyl red, citrate, and Vogues-Proskauer) (6) was confirmed by partial sequencing of the ribosomal 16S rRNA gene (data not shown) (7).
coli identification, positive tubes of BGLB were streaked onto eosin methylene blue (EMB) agar, two to three colonies per sample were tested for indol production in tryptose broth and for lactose fermentation in lactose broth (both after incubation at 44[+ or -] 0.
On arrival, all isolates were purified and confirmed to be Salmonella on the basis of reactions on triple sugar iron agar and lysine indol motility agar.
 
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