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Journal of Bacteriology, April 2008, p. 3083-3087, Vol. 190, No. 8
0021-9193/08/$08.00+0     doi:10.1128/JB.01448-07
Copyright © 2008, American Society for Microbiology. All Rights Reserved.

Plasmid Transfer via Transduction from Streptococcus thermophilus to Lactococcus lactis{triangledown}

Andreas Ammann, Horst Neve, Arnold Geis, and Knut J. Heller*

Department of Microbiology and Biotechnology, Max Rubner-Institut, Federal Research Institute for Nutrition and Food, Hermann-Weigmann-Str. 1, D-24103 Kiel, Germany

Received 7 September 2007/ Accepted 1 February 2008

Using Streptococcus thermophilus phages, plasmid transduction in Lactococcus lactis was demonstrated. The transduction frequencies were 4 orders of magnitude lower in L. lactis than in S. thermophilus. These results are the first evidence that there is phage-mediated direct transfer of DNA from S. thermophilus to L. lactis. The implications of these results for phage evolution are discussed.

* Corresponding author. Mailing address: Department of Microbiology and Biotechnology, Max Rubner-Institut, Federal Research Institute for Nutrition and Food, P.O. Box 6069, D-24121 Kiel, Germany. Phone: 49 431 609 2340. Fax: 49 431 609 2306. E-mail: knut.heller{at}mri.bund.de

{triangledown} Published ahead of print on 8 February 2008.

Journal of Bacteriology, April 2008, p. 3083-3087, Vol. 190, No. 8
0021-9193/08/$08.00+0     doi:10.1128/JB.01448-07
Copyright © 2008, American Society for Microbiology. All Rights Reserved.



This article has been cited by other articles:

  • Mahony, J., McGrath, S., Fitzgerald, G. F., van Sinderen, D. (2008). Identification and Characterization of Lactococcal-Prophage-Carried Superinfection Exclusion Genes. Appl. Environ. Microbiol. 74: 6206-6215 [Abstract] [Full Text]  


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