Stimulation of RNA transcription from pea and corn DNA by protein retained on sepharose coupled to 2,4-dichlorophenoxyacetic acid
- PMID: 4256895
- PMCID: PMC389301
- DOI: 10.1073/pnas.68.8.1824
Stimulation of RNA transcription from pea and corn DNA by protein retained on sepharose coupled to 2,4-dichlorophenoxyacetic acid
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.
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