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固定在与2,4-二氯苯氧乙酸偶联的琼脂糖上的蛋白质对豌豆和玉米DNA的RNA转录的刺激作用。

Stimulation of RNA transcription from pea and corn DNA by protein retained on sepharose coupled to 2,4-dichlorophenoxyacetic acid.

作者信息

Venis M A

出版信息

Proc Natl Acad Sci U S A. 1971 Aug;68(8):1824-7. doi: 10.1073/pnas.68.8.1824.

Abstract

When crude extracts from pea or corn shoots are passed through a column of agarose coupled to a derivative of the synthetic plant hormone 2,4-dichlorophenoxyacetic acid, certain protein fractions are retained, whereas unmodified agarose adsorbs no protein. Appropriate elution yields a protein factor that stimulates DNA-dependent RNA synthesis (supported by Escherichia coli polymerase) by 40-200%. Preliminary evidence suggests that the factor may be influencing initiation of RNA chains.

摘要

当豌豆或玉米芽的粗提物通过与合成植物激素2,4-二氯苯氧乙酸衍生物偶联的琼脂糖柱时,某些蛋白质组分被保留,而未修饰的琼脂糖不吸附蛋白质。适当洗脱可得到一种蛋白质因子,该因子能使依赖DNA的RNA合成(由大肠杆菌聚合酶支持)提高40%-200%。初步证据表明,该因子可能影响RNA链的起始。

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