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Infection and Immunity, September 2004, p. 5475-5477, Vol. 72, No. 9
0019-9567/04/$08.00+0 DOI: 10.1128/IAI.72.9.5475-5477.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.
Characterization of Binding of Streptococcus oralis Glyceraldehyde-3-Phosphate Dehydrogenase to Porphyromonas gingivalis Major Fimbriae
Kazuhiko Maeda, Hideki Nagata,* Masae Kuboniwa, Kosuke Kataoka, Nobuko Nishida, Muneo Tanaka, and Satoshi Shizukuishi
Department of Preventive Dentistry, Osaka University Graduate School of Dentistry, 1-8 Yamadaoka, Suita, Osaka, Japan
Received 24 February 2004/
Returned for modification 13 May 2004/
Accepted 7 June 2004
Binding of Streptococcus oralis glyceraldehyde-3-phosphate dehydrogenase (GAPDH) to Porphyromonas gingivalis fimbriae was characterized via a biomolecular interaction analysis system. The interaction was specific, and the association constant value was 4.34 x 107 M1, suggesting that S. oralis GAPDH functions as a dominant receptor for P. gingivalis and contributes to P. gingivalis colonization.
* Corresponding author. Mailing address: Department of Preventive Dentistry, Osaka University Graduate School of Dentistry, 1-8 Yamadaoka, Suita, Osaka 565-0871, Japan. Phone: 81-6-6879-2922. Fax: 81-6-6879-2925. E-mail:
nagatah{at}dent.osaka-u.ac.jp.
Editor: V. J. DiRita
Infection and Immunity, September 2004, p. 5475-5477, Vol. 72, No. 9
0019-9567/04/$08.00+0 DOI: 10.1128/IAI.72.9.5475-5477.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.
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