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FEMS Microbiol Rev. 1999 Jul;23(4):503-23.

Chromatin and transcription in Saccharomyces cerevisiae.

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Department of Microbial Biotechnology, Centro Nacional de Biotecnología, CSIC, Madrid, Spain.


A central problem in eukaryotic transcription is how proteins gain access to DNA packaged in nucleosomes. Research on the interplay between chromatin and transcription has progressed with the use of yeast genetics as a useful tool to characterize factors involved in this process. These factors have both positive and negative effects on the stability of nucleosomes, thereby controlling the role of chromatin in transcription in vivo. The negative effectors include the structural components of chromatin, the histones and non-histone chromatin associated proteins, as well as regulatory components like chromatin assembly factors and histone deacetylase complexes. The positive factors are involved in remodeling chromatin and several multiprotein complexes have been described: Swi/Snf, Srb/mediator and SAGA. The components of each of these complexes, as well as the functional relationships between them are covered by this review.

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