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    • 2. 发明申请
    • IN-SITU HYBRIDIZATION METHOD USING RecA PROTEIN AND RecA PROTEIN HAVING MARKER OR LIGAND FOR USE IN SAID METHOD
    • 使用具有标记或配体的RecA蛋白和RecA蛋白的现场混合方法用于描述方法
    • WO1995018236A1
    • 1995-07-06
    • PCT/JP1994002276
    • 1994-12-27
    • DAIKIN INDUSTRIES, LTD.KIGAWA, KojiYAMANAKA, MikayoKIHARA, KayoMUKAI, EliOBATA, Kazuaki
    • DAIKIN INDUSTRIES, LTD.
    • C12Q01/68
    • C12Q1/6804C12Q1/6813C12Q1/6816C12Q1/6841Y10S435/81
    • A method for detecting the presence of a target double-stranded nucleic acid sequence in an immobilized cell or cell structure, which method involves the step of immobilizing a cell or a cell structure in such a manner as to permit the invasion by a nucleic acid probe and the step of preparing a probe-RecA composite comprising a single-stranded probe and a RecA protein bonded to each other stably. The presence of a target double-stranded nucleic acid sequence is detected by binding the probe-RecA composite to a target double-stranded nucleic acid sequence through the reaction therebetween under the condition where the target nucleic acid sequence does not undergo denaturation and detecting the RecA protein contained in the composite. The invention method provides a diagnostically important method whereby the position of a specified gene or a regulatory region thereof in a chromosome or the presence of a virus-origin nucleic acid sequence can be determined or visualized readily at a high sensitivity.
    • 一种用于检测固定化细胞或细胞结构中靶双链核酸序列的存在的方法,该方法包括以允许核酸探针侵入的方式固定细胞或细胞结构的步骤 以及制备包含稳定地彼此结合的单链探针和RecA蛋白质的探针-ReAA复合物的步骤。 通过在靶核酸序列未经历变性并检测RecA的条件下,通过其间的反应将探针-RacA复合物与靶双链核酸序列结合来检测靶双链核酸序列的存在 蛋白质包含在复合材料中。 本发明方法提供诊断上重要的方法,其中可以以高灵敏度容易地确定或可视化在染色体中特定基因或其调节区的位置或病毒来源的核酸序列的存在。