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Degradation of high molecular weight polycyclic aromatic hydrocarbons by Pseudomonas cepacia
Three strains of Pseudomonas cepacia degraded the PAHs benzo[a]pyrene, dibenz[a,h]anthracene, and coronene as sole carbon and energy sources. The inocula contained high cell densities. After 63 days of incubation, benzo[a]pyrene and dibenz[a,h]anthracene concentrations decreased by 30% and coronene...
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Published in: | Biotechnology letters 1996-05, Vol.18 (5), p.577-582 |
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Main Authors: | , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Three strains of Pseudomonas cepacia degraded the PAHs benzo[a]pyrene, dibenz[a,h]anthracene, and coronene as sole carbon and energy sources. The inocula contained high cell densities. After 63 days of incubation, benzo[a]pyrene and dibenz[a,h]anthracene concentrations decreased by 30% and coronene concentration decreased by 65-70%. The three strains also were able to degrade all the PAHs at once in a PAH substrate mixture containing three-, four-, five-, and seven-benzene ring compounds. In addition, the five- and seven-benzene ring compounds showed improved degradation in the presence of low-molecular-weight PAHs. |
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ISSN: | 0141-5492 1573-6776 |
DOI: | 10.1007/bf00140206 |