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The causes and molecular consequences of polyploidy in flowering plants

Authors

  • Gaurav D. Moghe,

    1. Programs in Genetics
    2. Quantitative Biology
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  • Shin-Han Shiu

    Corresponding author
    1. Programs in Genetics
    2. Quantitative Biology
    3. Department of Plant Biology, Michigan State University, East Lansing, Michigan
    • Address for correspondence: Shin-Han Shiu, Department of Plant Biology, Michigan State University, 2265 Molecular Plant Sciences Building, East Lansing, MI 48824. shius@msu.edu

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Abstract

Polyploidy is an important force shaping plant genomes. All flowering plants are descendants of an ancestral polyploid species, and up to 70% of extant vascular plant species are believed to be recent polyploids. Over the past century, a significant body of knowledge has accumulated regarding the prevalence and ecology of polyploid plants. In this review, we summarize our current understanding of the causes and molecular consequences of polyploidization in angiosperms. We also provide a discussion on the relationships between polyploidy and adaptation and suggest areas where further research may provide a better understanding of polyploidy.

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