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Journal of Bacteriology, September 2009, p. 5563-5565, Vol. 191, No. 17
0021-9193/09/$08.00+0     doi:10.1128/JB.01226-08
Copyright © 2009, American Society for Microbiology. All Rights Reserved.

Interspecies Signaling between Veillonella atypica and Streptococcus gordonii Requires the Transcription Factor CcpA{triangledown}

Bart P. Johnson,1,{dagger} Benjamin J. Jensen,1 Eric M. Ransom,1 Kimberly A. Heinemann,1,{ddagger} Kelley M. Vannatta,1,§ Kristi A. Egland,2 and Paul G. Egland1*

Department of Biology, Augustana College, Sioux Falls, South Dakota 57197,1 Cancer Biology Research Center, Sanford Research/USD, Sioux Falls, South Dakota 571052

Received 2 September 2008/ Accepted 9 June 2009

Streptococcus gordonii and Veillonella atypica, two early-colonizing members of the dental plaque biofilm, participate in a relationship that results in increased transcription of the S. gordonii gene amyB, encoding an {alpha}-amylase. We show that the transcription factor CcpA is required for this interspecies interaction.

* Corresponding author: Mailing address: Department of Biology, Augustana College, Sioux Falls, SD 57197. Phone: (605) 274-4719. Fax: (605) 274-4718. E-mail: paul.egland{at}augie.edu

{triangledown} Published ahead of print on 19 June 2009.

{dagger} Current address: University of Minnesota School of Dentistry, Minneapolis, MN 55455.

{ddagger} Current address: University of Nebraska Medical Center, College of Dentistry, Lincoln, NE 68583.

§ Current address: Doisy College of Health Sciences, Saint Louis University, Saint Louis, MO 63104.

Journal of Bacteriology, September 2009, p. 5563-5565, Vol. 191, No. 17
0021-9193/09/$08.00+0     doi:10.1128/JB.01226-08
Copyright © 2009, American Society for Microbiology. All Rights Reserved.





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