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Diesel oil and PCB-degrading psychrotrophic bacteria isolated from Antarctic seawaters (Terra Nova Bay, Ross Sea)
Maria De Domenico 1 , Angelina Lo Giudice 1 , Luigi Michaud 1 , Marcello Saitta 2 Vivia Bruni 1
  1 M. De Domenico, A. Lo Giudice, L. Michaud & V. Bruni, Department of Animal Biology and Marine Ecology, University of Messina, Salita Sperone 31, IT-98166 Messina, Italy, vivia.bruni@unime.it   2 M. Saitta, Department of Organic and Biological Chemistry, University of Messina, Salita Sperone 31, IT-98166 Messina, Italy.
Copyright 2004 The Norwegian Polar Institute

ABSTRACT

Fifty-seven Antarctic marine bacteria were examined for their ability to degrade commercial diesel oil as the sole organic substrate at both 4 °C and 20 °C. Based on the preliminary screening, two isolates (B11 and B15) with high capacity to degrade diesel oil were selected and their biodegradation efficiency was quantified by gas chromatographic analysis. As expected for psychrotrophs, diesel oil biodegradation was slower at 4 °C than at 20 °C. The two strains also mineralized the C28 n-paraffin octacosane at 20 °C and polychlorinated biphenyls (PCBs) at 4 °C and 20 °C.


DIGITAL OBJECT IDENTIFIER (DOI)
10.1111/j.1751-8369.2004.tb00004.x About DOI

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