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Applied and Environmental Microbiology, October 2002, p. 5181-5185, Vol. 68, No. 10
0099-2240/02/$04.00+0     DOI: 10.1128/AEM.68.10.5181-5185.2002
Copyright © 2002, American Society for Microbiology. All Rights Reserved.

Free-Living Heterotrophic Nitrogen-Fixing Bacteria Isolated from Fuel-Contaminated Antarctic Soils

Ruth Eckford,1 Fred D. Cook,2 David Saul,3 Jackie Aislabie,4 and Julia Foght1*

Biological Sciences, University of Alberta, Edmonton, Alberta, Canada T6G 2E9,1 Renewable Resources, University of Alberta, Edmonton, Alberta, Canada T6G 2H1,2 School of Biological Sciences, University of Auckland, Auckland,3 Landcare Research, Hamilton, New Zealand4

Received 4 February 2002/ Accepted 12 July 2002

Five bacterial isolates enriched from fuel-contaminated Antarctic soils fixed nitrogen in the dark heterotrophically and nonsymbiotically. Two isolates utilized jet fuel vapors and volatile hydrocarbons for growth but not in N-deficient medium. Bacteria such as these may contribute to in situ biodegradation of hydrocarbons in Antarctic soils.

* Corresponding author. Mailing address: Biological Sciences, University of Alberta, Edmonton, Alberta, Canada T6G 2E9. Phone: (780) 492-3279. Fax: (780) 492-9234. E-mail: julia.foght{at}ualberta.ca.

Applied and Environmental Microbiology, October 2002, p. 5181-5185, Vol. 68, No. 10
0099-2240/02/$04.00+0     DOI: 10.1128/AEM.68.10.5181-5185.2002
Copyright © 2002, American Society for Microbiology. All Rights Reserved.





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