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Challenge to generate site-direct mutants of the periodontal pathogen Prevotella intermedia

Challenge to generate site-direct mutants of the periodontal pathogen Prevotella intermedia
产生牙周病原体中间普雷沃氏菌定点突变体的挑战
批准号:
24659817
负责人:
NAKAYAMA Koji
金额:
$2.41万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Challenging Exploratory Research
财政年份:
2012
资助国家:
日本
项目状态:
已结题
起止时间:
2012-04-01 至 2014-03-31

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中文摘要
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英文摘要
We found a novel secretion system, the type IX secretion system (T9SS), in Porphyromonas gingivalis that translocates virulence factors across the outer membrane. T9SS-related genes are found in the genome of another periodontal pathogen, Prevotella intermedia. As molecular genetic manipulation has not been established in Pre. intermedia, virulence factors of Pre. intermedia have not been elucidated by molecular genetic analysis. In this study, we tried to establish site-directed mutagenesis in P. intermedia. We succeeded to generate T9SS mutants. These mutants showed the defects of pigmentation on blood agar plates and hemagglutination, indicating that T9SS is important for the virulence of Pre. intermedia.
期刊论文(5)
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会议论文
ゲノム解析からみえてきた歯周病細菌の新たな側面
通过基因组分析揭示牙周病细菌的新方面
DOI: --
发表时间: 2013
期刊:
影响因子: --
作者: [Minamizaki Tomoko, Yoshiko Yuji, Yoshioka Hirotaka, KOzai Katsuyuki, Aubin Jane E, Maeda Norihiko, 内藤真理子]
通讯作者: 内藤真理子
Site-directed mutagenesis in Prevotella intermedia : genetic analysis of P. intermedia Por secretion system
中间普雷沃氏菌的定点诱变:中间普雷沃氏菌 Por 分泌系统的遗传分析
DOI: --
发表时间: 2012
期刊:
影响因子: --
作者: [Yoshioka H, Yoshiko Y, Minamizaki T, Suzuki S, Koma Y, Nobukiyo A, Sotomaru Y, Suzuki A, Itho M, Maeda N., Okamura H et al., 内藤真理子]
通讯作者: 内藤真理子
歯周病原菌Prevotella intermedia臨床分離株OMA14の全ゲノム配列決定
牙周病原菌中间普雷沃氏菌临床分离株 OMA14 的全基因组测序
DOI: --
发表时间: 2013
期刊:
影响因子: --
作者: [Ogawa T, Terao Y, Honda-Ogawa M, Hashimoto S, Ikebe K, Maeda Y, and Kawabata S, 内藤真理子 (代表)]
通讯作者: 内藤真理子 (代表)
Elucidation of feedback regulation of the expression of the type IX secretion system (T9SS) of Porphyromonas gingivalis
  • 批准号:
    20K09921
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
  • 资助金额:
    $2.83万
  • 财政年份:
    2020
  • 负责人:
    NAKAYAMA Koji
  • 依托单位:
Formation model of Bacteroidia bacteria pilus-X-ray crystal structure analysis and molecular reconstruction experiment-
  • 批准号:
    16H05504
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
  • 资助金额:
    $10.98万
  • 财政年份:
    2016
  • 负责人:
    NAKAYAMA Koji
  • 依托单位:
Elucidation of cascade regulation by two different control systems of the type IX secretion system
  • 批准号:
    16K15776
  • 项目类别:
    Grant-in-Aid for Challenging Exploratory Research
  • 资助金额:
    $2.16万
  • 财政年份:
    2016
  • 负责人:
    NAKAYAMA Koji
  • 依托单位:
Biogenesis of sugar moiety of anionic lipopolysaccharide associated with CTD proteins
  • 批准号:
    26670804
  • 项目类别:
    Grant-in-Aid for Challenging Exploratory Research
  • 资助金额:
    $2.33万
  • 财政年份:
    2014
  • 负责人:
    NAKAYAMA Koji
  • 依托单位:
海外基金