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|Title:||Degradation of spiked pyrene and non-pyrene hydrocarbons in soil microcosms by Pseudomonas species isolated from petroleum polluted soils|
|Authors:||Obayori, O. S.|
Ilori, Matthew O.
Amund, Olukayode O.
|Publisher:||Taylor & Francis Group|
|Citation:||Obayori, O. S., Ilori, M. O., & Amund, O. O. (2013). Degradation of spiked pyrene and non-pyrene hydrocarbons in soil microcosms by Pseudomonas species isolated from petroleum polluted soils. Petroleum Science and Technology, 31(16), 1674-1680.|
|Abstract:||The abilities of three Pseudomonads, Pseudomonas sp. strain LP1, Pseudomonas aeruginosa LP5 and P. aeruginosa LP6 to survive and enhance the degradation of pyrene and non-pyrene hydrocarbons in soil were tested in field-moist microcosms. All three organisms were able to survive and maintain high densities > × 107 in soil. In sterilized soils inoculated with bacterial isolates, 37.34%, 50.30%, and 42.21% were degraded by LP1, LP5, and LP6, respectively. The rates of pyrene degradation in soil microcosms were 0.046, 0.041, and 0.061 mg kg−1 h−1 for LP1, LP5, and LP6, respectively. A mixture of the three isolated degraded 7.73% was degraded in sterilized soil and 87.65% in native unsterilized soil (NS). The isolates also degraded non-pyrene hydrocarbon in the soils by more than 80%. The potentials these pseudomonads isolates for use as seed for bioremediation was successfully demonstrated.|
|Appears in Collections:||Research Articles|
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