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Isolation and description of carbazole-degrading bacteria
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Carbazole is a nitrogen hetrocyclic compound associated with fossil fuels and their products. Enrichment cultures were established to isolate bacteria able to degrade carbazole and a plate assay was developed to select carbazole-degrading microorganisms from the enrichments. Three different bacterial isolates capable of mineralizing carbazole were obtained. No intermediates of carbazole degradation were detected. The bacteria had a limited substrate specificity; all used benzoate for growth but were unable to utilize the analogues of carbazole, fluorene, or dibenzothiophene.Key words: carbazole, biodegradation, bacteria.
Canadian Science Publishing
Title: Isolation and description of carbazole-degrading bacteria
Description:
Carbazole is a nitrogen hetrocyclic compound associated with fossil fuels and their products.
Enrichment cultures were established to isolate bacteria able to degrade carbazole and a plate assay was developed to select carbazole-degrading microorganisms from the enrichments.
Three different bacterial isolates capable of mineralizing carbazole were obtained.
No intermediates of carbazole degradation were detected.
The bacteria had a limited substrate specificity; all used benzoate for growth but were unable to utilize the analogues of carbazole, fluorene, or dibenzothiophene.
Key words: carbazole, biodegradation, bacteria.
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