Polyploidy and genome evolution in plants

被引：8

作者：

Soltis, Pamela S. ^{[1
,2
]}

Marchant, D. Blaine ^{[1
,3
]}

Van de Peer, Yves ^{[4
,5
,6
,7
]}

Soltis, Douglas E. ^{[1
,2
,3
]}

机构：

[1] Univ Florida, Florida Museum Nat Hist, Gainesville, FL 32611 USA

[2] Univ Florida, Genet Inst, Gainesville, FL 32610 USA

[3] Univ Florida, Dept Biol, Gainesville, FL 32611 USA

[4] Univ Ghent, Dept Plant Biotechnol & Bioinformat, B-9052 Ghent, Belgium

[5] Univ Ghent VIB, Dept Plant Syst Biol, B-9052 Ghent, Belgium

[6] Univ Ghent, Bioinformat Inst Ghent, B-9052 Ghent, Belgium

[7] Univ Pretoria, Genom Res Inst, ZA-0028 Pretoria, South Africa

来源：

CURRENT OPINION IN GENETICS & DEVELOPMENT | 2015年 / 35卷

基金：

欧洲研究理事会; 美国国家科学基金会;

关键词：

DUPLICATE GENE EVOLUTION; TRAGOPOGON-MISCELLUS; BALANCE HYPOTHESIS; DIVERSITY; SIZE; POPULATIONS; MECHANISMS; DIVERSIFICATION; AUTOPOLYPLOIDY; CONSEQUENCES;

D O I：

10.1016/j.gde.2015.11.003

中图分类号：

Q2 [细胞生物学];

学科分类号：

071009 ; 090102 ;

摘要：

Plant genomes vary in size and complexity, fueled in part by processes of whole-genome duplication (WGD; polyploidy) and subsequent genome evolution. Despite repeated episodes of WGD throughout the evolutionary history of angiosperms in particular, the genomes are not uniformly large, and even plants with very small genomes carry the signatures of ancient duplication events. The processes governing the evolution of plant genomes following these ancient events are largely unknown. Here, we consider mechanisms of diploidization, evidence of genome reorganization in recently formed polyploid species, and macroevolutionary patterns of WGD in plant genomes and propose that the ongoing genomic changes observed in recent polyploids may illustrate the diploidization processes that result in ancient signatures of WGD over geological timescales.

引用

页码：119 / 125

页数：7

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