Polyploidy and Genome Evolution (Paperback, 2012 ed.)

Polyploidy - whole-genome duplication (WGD) - is a fundamental driver of biodiversity with significant consequences for genome structure, organization, and evolution. 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. 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. This process essentially acts as a "reset" button, resulting in genomic changes that may ultimately promote adaptive speciation. This book brings together for the first time the conceptual and theoretical underpinnings of polyploid genome evolution with syntheses of the patterns and processes of genome evolution in diverse polyploid groups. Because polyploidy is most common and best studied in plants, the book emphasizes plant models, but recent studies of vertebrates and fungi are providing fresh perspectives on factors that allow polyploid speciation and shape polyploid genomes. The emerging paradigm is that polyploidy - through alterations in genome structure and gene regulation - generates genetic and phenotypic novelty that manifests itself at the chromosomal, physiological, and organismal levels, with long-term ecological and evolutionary consequences.

General

Imprint:	Springer-Verlag
Country of origin:	Germany
Release date:	November 2014
First published:	2012
Editors:	Pamela S. Soltis • Douglas E. Soltis
Dimensions:	235 x 155 x 22mm (L x W x T)
Format:	Paperback
Pages:	420
Edition:	2012 ed.
ISBN-13:	978-3-642-43281-1
Categories:	Books > Science & Mathematics > Biology, life sciences > Life sciences: general issues > Evolution Books > Science & Mathematics > Biology, life sciences > Botany & plant sciences > General
LSN:	3-642-43281-6
Barcode:	9783642432811

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