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Applied and Environmental Microbiology, August 1999, p. 3754-3756, Vol. 65, No. 8
0099-2240/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.

The Viable-but-Nonculturable Condition Is Induced by Copper in Agrobacterium tumefaciens and Rhizobium leguminosarum

Emily Alexander, Dat Pham, and Todd R. Steck*

Department of Biology, The University of North Carolina at Charlotte, Charlotte, North Carolina

Received 24 February 1999/Accepted 16 May 1999

Many bacteria respond to changes in environmental conditions by entering the viable-but-nonculturable state. We have determined that copper can induce nutrient-starved Agrobacterium tumefaciens and Rhizobium leguminosarum cells to become viable but nonculturable. This is the first report of a chemical inducer of this condition.

* Corresponding author. Mailing address: Department of Biology, The University of North Carolina at Charlotte, Charlotte, NC 28223. Phone: (704) 547-4393. Fax: (704) 547-3128. E-mail: trsteck{at}emailuncc.edu.

Applied and Environmental Microbiology, August 1999, p. 3754-3756, Vol. 65, No. 8
0099-2240/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.


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