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Received: 2004-10-27
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Two ancient rounds of polyploidy in rice genome
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ZHANG Yang, XU Guo-hua, GUO Xing-yi, FAN Long-jiang. Two ancient rounds of polyploidy in rice genome[J]. Journal of Zhejiang University Science B, 2005, 6(2): 87-90.
@article{title="Two ancient rounds of polyploidy in rice genome",
author="ZHANG Yang, XU Guo-hua, GUO Xing-yi, FAN Long-jiang",
journal="Journal of Zhejiang University Science B",
volume="6",
number="2",
pages="87-90",
year="2005",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2005.B0087"
}
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%T Two ancient rounds of polyploidy in rice genome
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%J Journal of Zhejiang University SCIENCE B
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2005.B0087
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DOI - 10.1631/jzus.2005.B0087
Abstract: An ancient genome duplication (PPP1) that predates divergence of the cereals has recently been recognized. We report here another potentially older large-scale duplication (PPP2) event that predates monocot-dicot divergence in the genome of rice (Oryza sativa L.), as inferred from the age distribution of pairs of duplicate genes based on recent genome data for rice. Our results suggest that paleopolyploidy was widespread and played an important role in the evolution of rice.
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