Whole-genome duplications are a widespread feature of plant genome evolution, having been detected in all flowering plant lineages. Despite the prevalence of these events, the extent to which duplicated genes (homeolog gene pairs) functionally diverge (neofunctionalization) is unclear. We present a genome-wide analysis of molecular evolution and regulatory neofunctionalization in maize (Zea mays L.). We demonstrate that 13% of all homeolog gene pairs in maize are regulatory neofunctionalized ...Expand abstract
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The impact of widespread regulatory neofunctionalization on homeolog gene evolution following whole-genome duplication in maize.
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