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城市生活污水中志贺氏菌ipaH毒力基因的定量PCR检测

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孙婷婷, 张崇淼, 王晓昌, 李宪, 谢润欣. 城市生活污水中志贺氏菌ipaH毒力基因的定量PCR检测[J]. 环境工程学报, 2013, 7(5): 1631-1635.
引用本文: 孙婷婷, 张崇淼, 王晓昌, 李宪, 谢润欣. 城市生活污水中志贺氏菌ipaH毒力基因的定量PCR检测[J]. 环境工程学报, 2013, 7(5): 1631-1635.
shu
Sun Tingting, Zhang Chongmiao, Wang Xiaochang, Li Xian, Xie Runxin. Quantitative detection of ipaH gene of Shigella in municipal wastewater by real-time PCR[J]. Chinese Journal of Environmental Engineering, 2013, 7(5): 1631-1635.
Citation: Sun Tingting, Zhang Chongmiao, Wang Xiaochang, Li Xian, Xie Runxin. Quantitative detection of ipaH gene of Shigella in municipal wastewater by real-time PCR[J]. Chinese Journal of Environmental Engineering, 2013, 7(5): 1631-1635.
shu

城市生活污水中志贺氏菌ipaH毒力基因的定量PCR检测

  • 1.

    西安建筑科技大学环境与市政工程学院,西北水资源与环境生态教育部重点实验室, 西安 710055

  • 2.

    清华大学国家环境保护环境微生物利用与安全控制重点实验室, 北京 100084

  • 基金项目:

    国家自然科学基金资助项目(50908185)

    中国博士后基金项目(20100470086)

    陕西省教育厅专项科研项目(11JK0765)

    国家环境保护环境微生物利用与安全控制重点实验室开放基金项目(MARC 2011D038)

  • 中图分类号: X502;R123.3

Quantitative detection of ipaH gene of Shigella in municipal wastewater by real-time PCR

  • 1.

    Key Laboratory of Northwest Water Resource, Ecology and Environment, Ministry of Education, School of Environmental and Municipal Engineering, Xi an University of Architecture and Technology, Xi'an 710055, China

  • 2.

    State Environmental Protection Key Laboratory of Microorganism Application and Risk Control(MARC), Tsinghua University, Beijing 100084, China

  • Fund Project:

摘要

  • 摘要: 基于ipaH毒力基因的实时荧光定量PCR检测,建立适合城市污水中志贺氏菌的定量检测方法。使用从临床分离出的志贺氏菌构建重组质粒作为实时荧光定量PCR的标准品。在ipaH基因模板量2.58×100～2.58×106 copy范围内具有良好的线性关系,每100 mL水样中含有2.58×101 copy以上的ipaH基因即可被检出。从西安市生活污水分离得到2株野生型志贺氏菌,分析ipaH基因数量和菌体数量的关系,从而确定ipaH基因定量检测志贺氏菌的可行性。该方法灵敏、快速、特异性好,适用于城市生活污水中志贺氏菌的检测。
    Abstract: Based on the invasion plasmid antigen gene (ipaH) of virulent Shigella spp., a real-time fluorescent quantitative PCR detection method was established to detect Shigella spp. in municipal wastewater. The Shigella strain separated from clinical patients was used to obtain recombinant plasmid as real-time PCR standard product. The standard curve presented good linear relationship in 2.58×100 and 2.58×106 copy. According to the method, more than 2.58×101 copy gene in 100 mL water samples can be detected. Two Shigella strains were separated from the municipal sewage, then were used to make certain the relation between ipaH gene quantity and bacteria number, which confirmed the feasibility of this method to test Shigella spp. The method is sensitive, rapid and specific, and can be used to detect Shigella in municipal wastewater.
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  • 收稿日期:  2012-02-03
  • 刊出日期:  2013-05-22
孙婷婷, 张崇淼, 王晓昌, 李宪, 谢润欣. 城市生活污水中志贺氏菌ipaH毒力基因的定量PCR检测[J]. 环境工程学报, 2013, 7(5): 1631-1635.
引用本文: 孙婷婷, 张崇淼, 王晓昌, 李宪, 谢润欣. 城市生活污水中志贺氏菌ipaH毒力基因的定量PCR检测[J]. 环境工程学报, 2013, 7(5): 1631-1635.
shu
Sun Tingting, Zhang Chongmiao, Wang Xiaochang, Li Xian, Xie Runxin. Quantitative detection of ipaH gene of Shigella in municipal wastewater by real-time PCR[J]. Chinese Journal of Environmental Engineering, 2013, 7(5): 1631-1635.
Citation: Sun Tingting, Zhang Chongmiao, Wang Xiaochang, Li Xian, Xie Runxin. Quantitative detection of ipaH gene of Shigella in municipal wastewater by real-time PCR[J]. Chinese Journal of Environmental Engineering, 2013, 7(5): 1631-1635.
shu

城市生活污水中志贺氏菌ipaH毒力基因的定量PCR检测

  • 1.  西安建筑科技大学环境与市政工程学院,西北水资源与环境生态教育部重点实验室, 西安 710055
  • 2.  清华大学国家环境保护环境微生物利用与安全控制重点实验室, 北京 100084
  • 收稿日期:  2012-02-03
基金项目:

国家自然科学基金资助项目(50908185)

中国博士后基金项目(20100470086)

陕西省教育厅专项科研项目(11JK0765)

国家环境保护环境微生物利用与安全控制重点实验室开放基金项目(MARC 2011D038)

摘要: 基于ipaH毒力基因的实时荧光定量PCR检测,建立适合城市污水中志贺氏菌的定量检测方法。使用从临床分离出的志贺氏菌构建重组质粒作为实时荧光定量PCR的标准品。在ipaH基因模板量2.58×100～2.58×106 copy范围内具有良好的线性关系,每100 mL水样中含有2.58×101 copy以上的ipaH基因即可被检出。从西安市生活污水分离得到2株野生型志贺氏菌,分析ipaH基因数量和菌体数量的关系,从而确定ipaH基因定量检测志贺氏菌的可行性。该方法灵敏、快速、特异性好,适用于城市生活污水中志贺氏菌的检测。

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