2008 Fiscal Year Final Research Report
An approach to elucidate molecular mechanisms for cariogenicity of another human pathogen, Streptococcus sobrinus in which molecular technology is less applied
Project/Area Number |
17591925
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Morphological basic dentistry
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Research Institution | Tokyo Dental College |
Principal Investigator |
佐藤 裕 Tokyo Dental College, 歯学部, 准教授 (70085827)
|
Project Period (FY) |
2005 – 2008
|
Keywords | mutans streptococci / グルカン依存性凝集 / 細胞壁アンカータンパク / gbpC1, gbpC2遺伝子 / グルカン結合タンパク質 / Streptococcus sobrinus / dblA,dblB遺伝子 / IS1548 |
Research Abstract |
標題の「もう一つのヒトう蝕原因菌」とはレンサ球菌類のソブリヌス菌(Ss菌)である。ミュータンス菌(Sm菌)でこの30年間に明らかにされた病原遺伝子の多くは、Ss菌では分かっていない。そんな遺伝子の1つであったグルカン結合タンパク質C遺伝子(gbpC)とよく似た遺伝子をSs菌で同定した。gbpC遺伝子は、Sm菌のグルカン依存性凝集という現象に関与する唯一の遺伝子であり、この菌の病原性に関わるが、Ssでは同様な遺伝子が予想外にも4つ存在し、それらがそれぞれ異なった役割でSs菌のグルカン依存性凝集に関与していたことを明らかにした。
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Research Products
(26 results)
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[Presentation] Proteins involved in dextran-dependent aggregation of S. sobrinus2006
Author(s)
Sato, Y., Kagami, A., Okamoto-Shibayama, K., Yamamoto, Y., Kizaki, H.
Organizer
The 35th Annual Meeting & Exhibition of the American Association for Dental Research
Place of Presentation
Orlando, Florida, USA(on-line)
Year and Date
20060000
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[Presentation] Identification of gbpC gene homologues in S. sobrinus strain 100-42006
Author(s)
Kagami, A., Sato, Y., Okamoto-Shibayama, K., Yamamoto, Y., Kizaki, H.
Organizer
The 35th Annual Meeting & Exhibition of the American Association for Dental Research
Place of Presentation
Orlando, Florida, USA(on-line)
Year and Date
20060000
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[Presentation] Effects of Manganese on Expression of GbpC of Streptococcus mutans2005
Author(s)
Luengpailin, S., Sato, Y., Justus, D.E., Doyle, R.J., Cowan, M.M.
Organizer
The 45th Annual Meeting of Australian/New Zealand Division of the International Association for Dental Research
Place of Presentation
Queenstown, Australia(on-line)
Year and Date
20050000
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