Metabolic pathway for degradation of 2-chloro-4-aminophenol by Arthrobacter sp SPG

Title
Metabolic pathway for degradation of 2-chloro-4-aminophenol by Arthrobacter sp SPG
Author(s)
배한홍타판쿠말모한타Alok Srivastava[Alok Srivastava]Vijay Pal Singh[Vijay Pal Singh]어로라펀커즈쿠말
Keywords
GAMMA-HEXACHLOROCYCLOHEXANE; SPHINGOMONAS-PAUCIMOBILIS; NITROAROMATIC COMPOUNDS; PSEUDOMONAS-PUTIDA; 4-CHLORO-2-NITROPHENOL; BIODEGRADATION; PRODUCT; CLONING; GENE
Issue Date
201411
Publisher
BIOMED CENTRAL LTD
Citation
MICROBIAL CELL FACTORIES, v.13
Abstract
A degradation pathway of 2-chloro-4-aminophenol (2C4AP) was studied in an Arthrobacter sp. SPG that utilized 2C4AP as its sole source of carbon and energy. The 2C4AP degradation was initiated by a 2C4AP-deaminase that catalyzed the conversion of 2C4AP into chlorohydroquinone (CHQ) with removal of ammonium ion. In the next step, a CHQ-dehalogenase dehalogenated CHQ to hydroquinone (HQ) that cleaved into.-hydroxymuconic semialdehyde by a HQ-dioxygenase. The 2C4AP degradation was also investigated in sterile and non-sterile soil microcosms using strain SPG. The results show that the SPG cells degraded 2C4AP more rapidly in sterile soil than non-sterile soil. Our studies showed that strain SPG may be used for bioremediation of 2C4AP-contaminated sites. This is the first report of the 2C4AP degradation by any bacteria.
URI
http://hdl.handle.net/YU.REPOSITORY/30508http://dx.doi.org/10.1186/s12934-014-0164-6
ISSN
1475-2859
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