CN103210093A - 一种检测消化道病原体的方法 - Google Patents
一种检测消化道病原体的方法 Download PDFInfo
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Abstract
Description
Claims (9)
- 权 利 要 求 书1. 对样品中的消化道病原体进行检测的方法, 其包括以下步骤:1 )使用扩增引物对对扩增样品的 cDNA或 DNA进行 PCR, 从而获 得扩增产物, 所述扩增引物对针对的是每种待检测消化道病原体基因 组序列的保守区;2 )以步骤 1 ) 中获得的扩增产物为模板, 使用延伸引物通过延伸 反应获得延伸产物, 所述延伸引物针对的是扩增引物所扩增序列中相对 保守的区域, 所述延伸反应优选是单碱基延伸反应; 但不限于单碱 伸, 可以是 ¾ ½ ^伸^ ί或多?¾JJ伸 ;3 )对所述延伸产物进行质语检测确定样品的谱峰, 通过将所述语峰 与延伸引物分子量 应延伸产物分子量信息比对确定待检测的消化道病 原体的具体类型。
- 2. 权利要求 1的方法, 其中在所述步骤 1 )之后和步驟 2 )之前还 包括除去所述扩增产物中的 dNTP的步驟, 优选通过使用虾碱性磷酸 酶( SAP酶)处理所述扩增产物来除去 dNTP;
- 3. 权利要求 1或 2的方法, 其中在所述步骤 2 )之后和步骤 3 )之 前还包括纯化步骤: 純化所述延伸反应的延伸产物以获得纯化的延伸产 物, 优选使用离子交换树脂进行纯化。
- 4. 权利要求 1-3任一项的方法, 其中在所述步骤 3 )中用基质辅助激 光解吸附 /电离飞行时间质谱系统对所述延伸产物或所述纯化的延伸产 物进行质讲检测。
- 5. 权利要求 1-4任一项的方法, 其中所述消化道病原体选自痢疾 杆菌、 伤寒沙门氏菌、 霍乱弧菌、 单核细胞李氏菌、 脊髓灰质炎病毒、 柯萨 奇病毒、 肠道病毒 71型、 肠道病毒通用型、 戊型肝炎病毒、 埃可病毒、 诺 如病毒、 星状病毒和呼肠病毒中的一种或多种。
- 6. 权利要求 1-5任一项的方法, 其中所述扩增引物对包含 SEQ ID NO: 1和 2、 SEQ ID NO: 3和 4、 SEQ ID NO: 5和 6、 SEQ ID NO: 7 和 8、 SEQ ID NO: 9和 10、 SEQ ID NO: 11和 12、 SEQ ID NO: 13和 14、 SEQ ID NO: 15和 16、 SEQ ID NO: 17和 18、 SEQ ID NO: 19和 20、 SEQ ID NO: 21和 22、 SEQ ID NO: 23和 24以及 SEQ ID NO: 25 和 26中的一对或多对, 或者 5,端包含标签序列的 SEQ ID NO: 1和 2、 SEQ ID NO: 3和 4、 SEQ ID NO: 5和 6、 SEQ ID NO: 7和 8、 SEQ ID NO: 9和 10、 SEQ ID NO: 11和 12、 SEQ ID NO: 13和 14、 SEQ ID NO: 15和 16、 SEQ ID NO: 17和 18、 SEQ ID NO: 19和 20、 SEQ ID NO: 21 和 22、 SEQ ID NO: 23和 24以及 SEQ ID NO: 25和 26中的一对或多 对, 其中所述标签序列优选是 SEQ ID NO: 40; 并且 /或者所述延伸引 物包含 SEQ ID NO: 27-39中的一个或多个。
- 7. 权利要求 1-6任一项的方法, 其中所述样品选自来自人体的样 品、 土壤、 食物、 水、 纯病原体培养物和携带此类病原体的媒介生物, 所述来自人体的样品例如血清、 全血、 粪便、 唾液、 汗液、 毛发。
- 8. 一种试剂盒, 其包含权利要求 6中定义的扩增引物对和 /或延 伸引物, 或者还包含其他试剂, 其中所述其他试剂优选是用于 PCR扩 增反应的酶和试剂, 用于延伸反应的酶和试剂, 以及 /或者用手纯化延 伸产物的树脂。 ^
- 9. 权利要求 6中定义的扩增引物对和 /或延伸引物用于对样品中 的消化道病原体进行检测的用途; 或者用于制备试剂盒的用途, 所述 _ 试剂盒用于检测样品中的消化道病原体; 或者权利要求 8的试剂盒甩 于对样品中的消化道病原体进行检测的用途。10. SEQ ID NO: 1-39中的任一条核苷酸序列。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106916889A (zh) * | 2017-02-16 | 2017-07-04 | 苏州贝斯派生物科技有限公司 | 快速检测唾液dna中微生物污染的试剂、试剂盒与其应用 |
CN116042928A (zh) * | 2023-02-22 | 2023-05-02 | 中国人民解放军军事科学院军事医学研究院 | 用于扩增和检测消化道病毒核酸序列的引物组 |
CN117230184A (zh) * | 2023-11-13 | 2023-12-15 | 深圳康美生物科技股份有限公司 | 基于飞行时间核酸质谱技术检测阿尔兹海默病基因的核酸组合及应用 |
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CN103484537A (zh) * | 2013-07-17 | 2014-01-01 | 新疆农业大学 | 一种马流产沙门菌pcr检测试剂盒及其检测方法 |
CN107988341B (zh) * | 2018-01-03 | 2019-04-23 | 北京毅新博创生物科技有限公司 | 质谱鉴定霍乱弧菌分型的方法及产品 |
CN109706128B (zh) * | 2019-02-27 | 2020-11-13 | 中国水产科学研究院黄海水产研究所 | 基于甲壳动物戊肝病毒基因组序列的检测方法及其应用 |
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CN101333557A (zh) * | 2008-07-16 | 2008-12-31 | 西安建筑科技大学 | 一种环境水体样品中多种肠道病原菌的同时定量检测方法 |
CN101760566A (zh) * | 2008-12-12 | 2010-06-30 | 深圳华大基因科技有限公司 | 一种hbv基因的核苷酸突变位点的检测方法 |
CN101942440A (zh) * | 2010-09-28 | 2011-01-12 | 深圳华大基因科技有限公司 | 检测和定型食管hpv病毒的引物和方法 |
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CN101333557A (zh) * | 2008-07-16 | 2008-12-31 | 西安建筑科技大学 | 一种环境水体样品中多种肠道病原菌的同时定量检测方法 |
CN101760566A (zh) * | 2008-12-12 | 2010-06-30 | 深圳华大基因科技有限公司 | 一种hbv基因的核苷酸突变位点的检测方法 |
CN101942440A (zh) * | 2010-09-28 | 2011-01-12 | 深圳华大基因科技有限公司 | 检测和定型食管hpv病毒的引物和方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106916889A (zh) * | 2017-02-16 | 2017-07-04 | 苏州贝斯派生物科技有限公司 | 快速检测唾液dna中微生物污染的试剂、试剂盒与其应用 |
CN116042928A (zh) * | 2023-02-22 | 2023-05-02 | 中国人民解放军军事科学院军事医学研究院 | 用于扩增和检测消化道病毒核酸序列的引物组 |
CN116042928B (zh) * | 2023-02-22 | 2024-01-02 | 中国人民解放军军事科学院军事医学研究院 | 用于扩增和检测消化道病毒核酸序列的引物组 |
CN117230184A (zh) * | 2023-11-13 | 2023-12-15 | 深圳康美生物科技股份有限公司 | 基于飞行时间核酸质谱技术检测阿尔兹海默病基因的核酸组合及应用 |
CN117230184B (zh) * | 2023-11-13 | 2024-03-19 | 深圳康美生物科技股份有限公司 | 基于飞行时间核酸质谱技术检测阿尔兹海默病基因的核酸组合及应用 |
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