Simple derivation of TFIID-dependent RNA polymerase II transcription systems from Schizosaccharomyces pombe and other organisms, and factors required for transcriptional activation - PubMed (original) (raw)

Simple derivation of TFIID-dependent RNA polymerase II transcription systems from Schizosaccharomyces pombe and other organisms, and factors required for transcriptional activation

P M Flanagan et al. Proc Natl Acad Sci U S A. 1992.

Abstract

Resolution of whole cell extract through two chromatographic steps yields a single protein fraction requiring only the addition of TFIID for the initiation of transcription at RNA polymerase II promoters. This approach allows the convenient generation of RNA polymerase II transcription systems from Saccharomyces cerevisiae, human lymphocytes, and Schizosaccharomyces pombe. TFIIDs from all three organisms are interchangeable among all three systems. The S. cerevisiae and Sch. pombe systems support effects of acidic activator proteins, provided a further protein fraction from S. cerevisiae is supplied. This further fraction is distinct from the mediator of transcriptional activation described previously and represents a second component in addition to general initiation factors that may facilitate a response to acidic activators.

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Simple derivation of TFIID-dependent RNA polymerase II transcription systems from Schizosaccharomyces pombe and other organisms, and factors required for transcriptional activation - PubMed (original) (raw)