Abstract：
:The effect of two terpenes, carvone and limonene, on the biodegradation of DELOR 103, a commercial mixture of polychlorinated biphenyls (PCBs), by Pseudomonas stutzeri, an isolate from long-term PCB-contaminated soil, was studied in detail. The addition of both carvone and limonene as potential inducers of the dioxygenase metabolic pathway exerted an enhancing effect on PCB biodegradation when glycerol and xylose were used as carbon sources, whereas no such effect could be determined with biphenyl and glucose as substrates. Promising biodegradation values were determined with xylose as carbon source and carvone as terpene inducer. In this system, 30-70% of the congeners were degraded in the presence of 10 mg l(-1) and 20 mg l(-1) carvone, respectively, irrespective of the used concentration, whereas only 7-37% of individual PCB congeners were eliminated from the system without terpene addition.
journal_name
Chemospherejournal_title
Chemosphereauthors
Tandlich R,Brezná B,Dercová Kdoi
10.1016/s0045-6535(00)00523-3subject
Has Abstractpub_date
2001-09-01 00:00:00pages
1547-55issue
7eissn
0045-6535issn
1879-1298pii
S0045653500005233journal_volume
44pub_type
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