Abstract
The RNA polymerase II general transcription factor TFIID is a multisubunit complex comprising TATA-box binding protein and associated factors (TAFIIs). In vitro experiments have suggested that TAFIIs are essential coactivators required for RNA polymerase II-directed transcription activation. Here, for the first time, we analyze systematically the in vivo function of a specific TAFII, yeast TAFII90 (yTAFII90). We show that functional inactivation of yTAFII90 by temperature-sensitive mutations or depletion leads to arrest at the G2/M phase of the cell cycle. Unexpectedly, in the absence of functional yTAFII90, a variety of endogenous yeast genes were all transcribed normally, including those driven by well-characterized activators. Taken together, our results indicate that yTAFII90 is not required for transcription activation in general, and reveal linkages between TAF function and cell-cycle progression.
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Dates
Type | When |
---|---|
Created | 18 years, 2 months ago (June 5, 2007, 5:15 p.m.) |
Deposited | 3 years, 9 months ago (Nov. 14, 2021, 9:52 p.m.) |
Indexed | 2 weeks, 6 days ago (Aug. 5, 2025, 8:25 a.m.) |
Issued | 28 years, 11 months ago (Sept. 15, 1996) |
Published | 28 years, 11 months ago (Sept. 15, 1996) |
Published Online | 28 years, 11 months ago (Sept. 15, 1996) |
Published Print | 28 years, 11 months ago (Sept. 15, 1996) |
@article{Apone_1996, title={Yeast TAF(II)90 is required for cell-cycle progression through G2/M but not for general transcription activation.}, volume={10}, ISSN={1549-5477}, url={http://dx.doi.org/10.1101/gad.10.18.2368}, DOI={10.1101/gad.10.18.2368}, number={18}, journal={Genes & Development}, publisher={Cold Spring Harbor Laboratory}, author={Apone, L M and Virbasius, C M and Reese, J C and Green, M R}, year={1996}, month=sep, pages={2368–2380} }