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Antimicrobial Agents and Chemotherapy, August 2006, p. 2866-2868, Vol. 50, No. 8
0066-4804/06/$08.00+0     doi:10.1128/AAC.00217-06
Copyright © 2006, American Society for Microbiology. All Rights Reserved.

Potential Role of Veillonella spp. as a Reservoir of Transferable Tetracycline Resistance in the Oral Cavity

D. Ready,1* J. Pratten,2 A. P. Roberts,2 R. Bedi,3 P. Mullany,2 and M. Wilson2

Eastman Dental Hospital, UCLH NHS Foundation Trust, 256 Gray's Inn Road, London WC1X 8LD,1 Division of Microbial Diseases, UCL Eastman Dental Institute, 256 Gray's Inn Road, London WC1X 8LD,2 King's College London, Strand, London WC2R 2LS, United Kingdom3

Received 20 February 2006/ Returned for modification 16 April 2006/ Accepted 17 May 2006

Twelve out of 96 Veillonella spp. isolated from oral samples harbored tetracycline resistance genes. The most common resistance gene was tet(M). A tet(M)-positive Veillonella dispar strain was shown to transfer a Tn916-like element to four Streptococcus spp. by conjugation at a frequency of 5.2 x 10–6 to 4.5 x 10–5 per recipient.

* Corresponding author. Mailing address: Microbiology, Eastman Dental Hospital, UCLH NHS Foundation Trust, 256 Gray's Inn Road, London WC1X 8LD, United Kingdom. Phone: 44 20 7915 1050. Fax: 44 20 7915 1127. E-mail: d.ready{at}eastman.ucl.ac.uk.

Antimicrobial Agents and Chemotherapy, August 2006, p. 2866-2868, Vol. 50, No. 8
0066-4804/06/$08.00+0     doi:10.1128/AAC.00217-06
Copyright © 2006, American Society for Microbiology. All Rights Reserved.





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