NDLI: Isolation and characterization of Rhodococcus rhodochrous for the degradation of the wastewater component 2-hydroxybenzothiazole

Content Provider	Springer Nature Link
Author	Wever, H. De Cort, S. De ots, I. Verachtert, H.
Copyright Year	1997
Abstract	2-Hydroxybenzothiazole (OBT) is present in wastewaters from the industrial production of the rubber vulcanization accelerator 2-mercaptobenzothiazole (MBT). We have achieved the first isolation of axenic bacterial cultures capable of the degradation of OBT and growth on this substrate as the sole source of carbon, nitrogen and energy. All isolates had similar characteristics corresponding to one particular isolate, which was studied in more detail and identified as Rhodococcus rhodochrous. The strains were also capable of degrading benzothiazole (BT) but not MBT or benzothiazole-2-sulphonate (BTSO3). OBT was degraded at a concentration of up to 600 mg · l−1. BT was toxic above 300 mg · l−1. MBT inhibited OBT degradation. Growth on OBT was not significantly different at pH values of between 6.3 and 7.9 or salt concentrations between 1 % and 3 %. In shake flasks the cells clumped together, which resulted in a lower rate of oxygen transfer and slower degradation as compared to cells grown on OBT in a stirred reactor.
Starting Page	458
Ending Page	461
Page Count	4
File Format	PDF
ISSN	01757598
Journal	Applied Microbiology and Biotechnology
Volume Number	47
Issue Number	4
e-ISSN	14320614
Language	English
Publisher	Springer-Verlag
Publisher Date	1997-04-14
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Content Type	Text
Resource Type	Article
Subject	Medicine Applied Microbiology and Biotechnology Biotechnology

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