NA methylation has bewildered molecular biologists since Hotchkiss
discovered it almost six decades ago (Hotchkiss RDJ. Biol Cem 1948;
175:315-332). The fact that the chemical structure of our D genome
consists of two components that are covalently bound, the genetic
information that is replicated by the DNA replication machinery ana
DNA methylation that is maintainea by independent enzymatic
machinery, has redictably stimulated the imagination and curiosity
of generations of mo Edular biologists. An obvious question was
whether DNA methylation was a bearer of additional information to
the genetic information and what was the nature of this
information? It was tempting to speculate that DNA me thylation
applied some form of control over programming of the genome s
expression profile. Once techniques to probe the methylation
profile of whole genomes as well as specific genes became
available, it became clear that DNA methylation patterns are gene
and tissue specific and that patterns of gene expression correlate
with patterns of methylation. DNA methylation pat terns emerged as
the only component of the chemical structure of DNA that exhibited
tissue and cell specificity. This data seemingly provided an attrac
tively simple explanation for the longstanding dilemma of how could
one identical genome manifest itself in so many different forms in
multicellular organisms? The DNA methylation pattern has thus
become the only known factor to confer upon DNA a unique cellular
identity.
General
Imprint: |
Kluwer Academic / Plenum Publishers
|
Country of origin: |
United States |
Series: |
Medical Intelligence Unit |
Release date: |
2005 |
First published: |
2005 |
Authors: |
Moshe Szyf
|
Dimensions: |
234 x 156 x 18mm (L x W x T) |
Format: |
Hardcover
|
Pages: |
239 |
Edition: |
2005 ed. |
ISBN-13: |
978-0-306-47848-2 |
Categories: |
Books >
Medicine >
Clinical & internal medicine >
Diseases & disorders >
Oncology >
General
|
LSN: |
0-306-47848-X |
Barcode: |
9780306478482 |
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