Some new type of two-hybrid systems, such as split-ubiquitin system, protein-fragment complementation assay, repressor reconstitution assay and SOS recruitment system, have been developed recently.

前言： 近年来，一些不依赖于转录因子活性的新型双杂交系统相继建立，如分离的泛素系统、 蛋白质片段互补分析、 阻遏物重构分析和SOS恢复系统等。

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