Protein Complexes that Modify Chromatin (Paperback, Softcover reprint of the original 1st ed. 2003)

An early view of eukaryotic chromosomes was that of static structures, which stored DNA not in use within a given cell type. It was thought that packaging of DNA into higher levels of chromatin structure would suffice to repress gene expression and that the challenge to the cell would be to rescue specific sequences from these structures. The exten sive packaging of inactive DNA was considered the primary difference between eukaryotic and prokaryotic genomes and except for that point both would be similarly regulated by cis-acting sequences and trans acting factors. Our view of eukaryotic chromosomes has evolved dra matically over the last decade. The picture of chromosomes that is emerging is that of dynamic breathing organelles actively regulating the flow of genetic information from the genome. Indeed chromatin is so fluid that even maintaining gene quiescence is an active process and is tightly regulated. Chromatin dynamics is a consequence of protein complexes that modify histones, remove histone modifications, mobi lize nucleosomes or stabilize nucleosomes. Awide variety of such com plexes have now been described. Some are abundant and may play glo bal roles in chromosome fluidity and function. Others are more rare and specialized for specific functions at discreet loci. Moreover, several complexes share biochemical activities and genetic studies suggest overlapping functions in vivo. Many components of these complexes were first revealed in genetic screens, while others were discovered by novel cell biological or biochemical approaches.

General

Imprint:	Springer-Verlag
Country of origin:	Germany
Series:	Current Topics in Microbiology and Immunology, 274
Release date:	October 2012
First published:	2003
Editors:	Jerry L. Workman
Dimensions:	235 x 155 x 17mm (L x W x T)
Format:	Paperback
Pages:	298
Edition:	Softcover reprint of the original 1st ed. 2003
ISBN-13:	978-3-642-62909-9
Categories:	Books > Medicine > Pre-clinical medicine: basic sciences > Medical genetics Promotions
LSN:	3-642-62909-1
Barcode:	9783642629099

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