𝔖 Bobbio Scriptorium
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A bigger mouse? The rat genome unveiled

✍ Scribed by John M. Hancock

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
61 KB
Volume
26
Category
Article
ISSN
0265-9247

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✦ Synopsis

Abstract

Rattus norvegicus is an important experimental organism and interesting to evolutionary biologists. The recently published draft rat genome sequence1 provides us with insights into both the rat's evolution and its physiology. We learn more about genome evolution and, in particular, the adaptive significance of gene family expansions and the evolution of rodent genomes, which appears to have decelerated since the divergence of mouse and rat. An important observation is that some regions of genomes, many in noncoding regions, show very high sequence conservation, while others show unexpectedly fast evolution. Both of these may be pointers to functional significance. BioEssays 26:1039–1042, 2004. Β© 2004 Wiley Periodicals, Inc.

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