Biodegradation of 4-chloroindole by Exiguobacterium sp PMA

Title
Biodegradation of 4-chloroindole by Exiguobacterium sp PMA
Author(s)
배한홍어로라펀커즈쿠말
Keywords
INDOLE METABOLISM; PERSOLVENT FERMENTATION; BACTERIAL-DEGRADATION; MANGROVE SEDIMENT; PATHWAY; INDIGO; DERIVATIVES; INHIBITION; CULTURES; ACID
Issue Date
201503
Publisher
ELSEVIER SCIENCE BV
Citation
JOURNAL OF HAZARDOUS MATERIALS, v.284, pp.261 - 268
Abstract
Exiguobacterium sp. RMA utilized 4-chloroindole as its sole source of carbon and energy. The effect of initial concentrations of substrate on the 4-chloroindole degradation was studied and observed that strain PMA was capable of degrading 4-chloroindole up to concentration of 0.5 mM. The degradation pathway of 4-chloroindole was studied for Exiguobacterium sp. PMA based on metabolites identified by gas chromatography-mass spectrometry. 4-Chloroindole was initially dehalogenated to indole that was further degraded via isatin, anthranilic acid, and salicylic acid. The potential of strain PMA to degrade 4-chloroindole in soil was monitored using soil microcosms, and it was observed that the cells of strain PMA efficiently degraded 4-chloroindole in the soil. The results of microcosm studies show that strain PMA may be used for bioremediation of 4-chloroindole-contaminated sites. This is the first report of the bacterial degradation of 4-chloroindole. (C) 2014 Elsevier B.V. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/33221http://dx.doi.org/10.1016/j.jhazmat.2014.11.021
ISSN
0304-3894
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생명공학부 > 생명공학부 > Articles
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