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Applied and Environmental Microbiology, June 2007, p. 4074-4077, Vol. 73, No. 12
0099-2240/07/$08.00+0     doi:10.1128/AEM.02573-06
Copyright © 2007, American Society for Microbiology. All Rights Reserved.

SHORT REPORT

Competitive Fitness of Isolates Enriched on Phenanthrene Sorbed to Model Phases{triangledown}

Gregory M. Colores,* David M. Ward, and William P. Inskeep

Department of Land Resources and Environmental Sciences, P.O. Box 173120, Montana State University, Bozeman, Montana 59717-3120

Received 3 November 2006/ Accepted 17 April 2007

We evaluated the competitive fitness of three phenanthrene-mineralizing isolates that were provided with nonsorbed or sorbed phenanthrene in competition experiments. One isolate had a clear advantage when presented with Amberlite IRC-50-sorbed phenanthrene, yet none were favored when presented with nonsorbed or Amberlite XAD-7-sorbed phenanthrene. Our results indicate that contaminant availability alone does not determine the isolates’ competitive fitness.

* Corresponding author. Current address: Department of Biology, Brooks 185, Central Michigan University, Mount Pleasant, MI 48859. Phone: (989) 774-3412. Fax: (989) 774-3462. E-mail: color1gm{at}cmich.edu

{triangledown} Published ahead of print on 27 April 2007.

Applied and Environmental Microbiology, June 2007, p. 4074-4077, Vol. 73, No. 12
0099-2240/07/$08.00+0     doi:10.1128/AEM.02573-06
Copyright © 2007, American Society for Microbiology. All Rights Reserved.





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