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Applied and Environmental Microbiology, August 2003, p. 4975-4978, Vol. 69, No. 8
0099-2240/03/$08.00+0     DOI: 10.1128/AEM.69.8.4975-4978.2003
Copyright © 2003, American Society for Microbiology. All Rights Reserved.

Description of a "Phoenix" Phenomenon in the Growth of Campylobacter jejuni at Temperatures Close to the Minimum for Growth

A. F. Kelly, A. Martínez-Rodriguez, R. A. Bovill,{dagger} and B. M. Mackey*

School of Food Biosciences, University of Reading, Whiteknights, Reading RG6 6BZ, United Kingdom

Received 29 October 2002/ Accepted 12 May 2003

When Campylobacter jejuni cultures that had been grown in broth at 39°C were subcultured into fresh medium at 30°C, there was a transient period of growth followed by a decline in viable-cell numbers before growth resumed once more. We propose that this complex behavior is the net effect of the growth of inoculum cells followed by a loss of viability due to oxidative stress and the subsequent emergence of a spontaneously arising mutant population that takes over the culture.

* Corresponding author. Mailing address: School of Food Biosciences, University of Reading, P.O. Box 226, Whiteknights, Reading RG6 6BZ, United Kingdom. Phone: 44 118 935 7229. Fax: 44 118 935 7222. E-mail: b.m.mackey{at}reading.ac.uk.

{dagger} Present address: Oxoid Ltd., Basingstoke, United Kingdom.

Applied and Environmental Microbiology, August 2003, p. 4975-4978, Vol. 69, No. 8
0099-2240/03/$08.00+0     DOI: 10.1128/AEM.69.8.4975-4978.2003
Copyright © 2003, American Society for Microbiology. All Rights Reserved.





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