Selasa, 16 November 2010

Polyploidy and Genome Evolution

Polyploidy and Genome Evolution
Author:
Edition: 2012
Binding: Kindle Edition
ISBN: B00A9YH98I

Polyploidy - whole-genome duplication (WGD) - is a fundamental driver of biodiversity with significant consequences for genome structure, organization, and evolution. Download Polyploidy and Genome Evolution from rapidshare, mediafire, 4shared. Once considered a speciation process common only in plants, polyploidy is now recognized to have played a major role in the structure, gene content, and evolution of most eukaryotic genomes.A In fact, the diversity of eukaryotes seems closely tied to multiple WGDs. Polyploidy generates new genomic interactions - initially resulting in "genomic and transcriptomic shock" - that must be resolved in a new polyploid lineage.A This process essentially acts as a "reset" button, resulting in genomic changes that may ultimately promote adaptive speciation.
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