Analysis of the function of streptococcal heamolysin

2008 Fiscal Year Final Research Report

• Project/Area Number: 19791343
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Morphological basic dentistry
• Research Institution: Osaka University
• Principal Investigator: NAKATA Masanobu Osaka University, 大学院歯学研究科, 助教授 (90444497)
• Project Period (FY): 2007 – 2008
• Keywords: A 群レンサ球菌 / 溶血毒素

Research Abstract

咽頭炎や膿痂疹の起因菌として知られるA 群レンサ球菌は様々な病原因子を産生する.同菌から産生される溶血毒素の一種であるストレプトリジンS(SLS)について新規機能を検索した結果,SLS が細菌集合体であるバイオフィルムの形成に関与することが示唆された.さらに,SLS をコードするゲノム領域に血清型特異的に存在する転写調節因子がSLS の転写に影響を与えることが明らかとなった.交付額

Research Products

• [Journal Article] Mode of expression and functional characterization of FCT-3 pilus region encoded proteins in the Streptococcus pyogenes serotype M49 (2009)
  • Author(s): Nakata M, Koller T, Moritz K, Ribardo D, Jonas L, McIver KS, Sumitomo T, Terao Y, Kawabata S, Podbielski A, and Kreikemeyer B
  • Journal Title: Infect Immun 77 Pages: 32-34
  • Peer Reviewed
• [Journal Article] PlyC, a novel bacteriophage lysin for compartment-dependent proteomics of group A streptococci (2008)
  • Author(s): Koller T, Nelson D, Nakata M, Kreutzer M, Fischetti VA, Glocker MO, Podbielski A, Kreikemeyer B
  • Journal Title: Proteomics Pages: 8140-8148
  • Peer Reviewed
• [Journal Article] Streptococcus pyogenes serotype-dependent and independent changes in infected Hep-2 epithelial cells (2007)
  • Author(s): Klenk M, Nakata M, Podbielski A, Skupin B, Schroten H, Kreikemeyer B
  • Journal Title: ISME J 1 Pages: 678-692
  • Peer Reviewed
• [Journal Article] The Streptococcus pyogenes serotype M49 Nra-Ralp3 transcriptional regulatory network and its control on virulence factor expression from the novel ERES pathogenicity region (2007)
  • Author(s): Kreikemeyer B, Nakata M, Koller T, Hildisch H, Kourakos V, Standar K, Kawabata S, Glocker MO, and Podbielski A
  • Journal Title: Infect Immun 75 Pages: 5698-5710
  • Peer Reviewed
• [Presentation] Neonatal exposure induced commensal-like immune-response against Aggregatibacter actinomycetemcomitans in mice (2009)
  • Author(s): Isoda R, Terao Y, Nakata M, Sumitomo T, and Kawabata S
  • Organizer: 87th General Session & Exhibition of the International Association for Dental Research
  • Place of Presentation: Miami, USA
  • Year and Date: 20090401-04
• [Presentation] A 群レンサ球菌線毛の温度感受性発現機構の解析 (2009)
  • Author(s): 中田匡宣,住友倫子,寺尾豊,川端重忠
  • Organizer: 第82 回日本細菌学会総会
  • Place of Presentation: 名古屋市
  • Year and Date: 20090312-14
• [Presentation] A 群レンサ球菌の上皮バリア突破機構に関する解析 (2009)
  • Author(s): 住友倫子,中田匡宣,寺尾豊,川端重忠
  • Organizer: 第82 回日本細菌学会総会
  • Place of Presentation: 名古屋市
  • Year and Date: 20090312-14
• [Presentation] A 群レンサ球菌の上皮バリア突破機構に関する解析 (2009)
  • Author(s): 住友倫子,中田匡宣,寺尾豊,川端重忠
  • Organizer: 第6 回感染症沖縄フォーラム
  • Place of Presentation: 沖縄県中頭郡
  • Year and Date: 20090212-14
• [Presentation] A 群レンサ球菌が産生する線毛の機能解析 (2008)
  • Author(s): 中田匡宣,寺尾豊,川端重忠
  • Organizer: 第50 回歯科基礎医学会学術大会
  • Place of Presentation: 東京都
  • Year and Date: 20080923-25
• [Presentation] A 群レンサ球菌の上皮バリア突破機構に関する解析 (2008)
  • Author(s): 住友倫子,中田匡宣,寺尾豊,川端重忠
  • Organizer: 第17 回Lancefield レンサ球菌研究会
  • Place of Presentation: 徳島市
  • Year and Date: 20080725-26
• [Presentation] The Nra-Ralp3 transcriptional regulatory network of Streptococcus pyogenes serotype M49: control of the novel ERES pathogenicity region (2008)
  • Author(s): Nakata M, Fiedler T, Koller T, Stander K, Kawabata S, Podbielski A, and Kreikemeyer B
  • Organizer: 17th Lancefield International Symposium on Streptococci and Streptococcal Diseases
  • Place of Presentation: Porto Heli, Greece
  • Year and Date: 20080622-26
• [Presentation] Role of the Streptococcus pyogenes serotype M49 FCT-3 region encoded pilus in virulence (2008)
  • Author(s): Nakata M, Koller T, McIver KS, Kawabata S, Podbielski A, and Kreikemeyer B
  • Organizer: 17th Lancefield International Symposium on Streptococci and Streptococcal Diseases
  • Place of Presentation: Porto Heli, Greece
  • Year and Date: 20080622-26
• [Presentation] A 群レンサ球菌線毛の機能解析 (2008)
  • Author(s): 中田匡宣,住友倫子,寺尾豊,川端重忠
  • Organizer: 第81 回日本細菌学会総会
  • Place of Presentation: 京都市
  • Year and Date: 20080324-26
• [Presentation] A 群レンサ球菌線毛の機能検索と発現機構の解析 (2008)
  • Author(s): 中田匡宣,住友倫子,寺尾豊,川端重忠
  • Organizer: 第6 回感染症沖縄フォーラム
  • Place of Presentation: 沖縄県中頭郡
  • Year and Date: 20080214-16
• [Presentation] Streptococcus pneumoniae に対するキメラ免疫グロブリン製剤の構築 (2007)
  • Author(s): 寺尾豊,山口雅也,中田匡宣,浜田茂幸,川端重忠
  • Organizer: 第49 回歯科基礎医学会学術大会
  • Place of Presentation: 札幌市
  • Year and Date: 20070830-31
• [Presentation] Role of Streptococcus pyogenes FCT-region sortase and other components in pilus assembly and virulence (2007)
  • Author(s): Nakata M, Ribardo DA, McIver KS, Kawabata S, Podbielski A, and Kreikemeyer B
  • Organizer: 107th General Meeting of American Society for Microbiology
  • Place of Presentation: Toronto, Canada
  • Year and Date: 20070521-25
• [Presentation] A 群レンサ球菌pilus 発現機構の解析 (2007)
  • Author(s): 中田匡宣,住友倫子,寺尾豊,川端重忠
  • Organizer: 第60 回日本細菌学会関西支部総会
  • Place of Presentation: 吹田市
  • Year and Date: 2007-11-10
• [Presentation] Role of the Streptococcus pyogenes FCT-region components in pilus assembly and virulence (2005)
  • Author(s): Nakata M, Ribardo DA, McIver KS, Podbielski A, Kreikemeyer B, and Kawabata S
  • Organizer: The 7th Awaji International Forum on Infection and Immunity
  • Place of Presentation: Higashiura, Hyogo, Japan
  • Year and Date: 20050901-05
• [Book] 生命歯科医学のカッティング・エッジ 米田俊之(編) (病原性レンサ球菌の病原因子の機能解析) (68-78) (2008)
  • Author(s): 寺尾豊, 中田匡宣,住友倫子,磯田竜太朗,川端重忠
  • Total Pages: 68-78
  • Publisher: 大阪大学出版会
• [Book] 感染・炎症・免疫 (A 群レンサ球菌の病原性発現に関する分子機構) (38:2-13) (2008)
  • Author(s): 川端重忠,寺尾豊,中田匡宣
  • Total Pages: 2-13
  • Publisher: 医薬の門社
• [Book] 炎症と免疫 (レンサ球菌感染症に対する免疫療法の可能性.(口腔での免疫ー最近の進歩と疾患)) (15:701-706) (2007)
  • Author(s): 中田匡宣,寺尾豊,川端重忠
  • Total Pages: 701-706
  • Publisher: 先端医学社