Accelerated Gene Evolution and Subfunctionalization in the Pseudotetraploid Frog Xenopus Laevis

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Ancient whole genome duplications have been implicated in the vertebrate and teleost radiations, and in the emergence of diverse angiosperm lineages, but the evolutionary response to such a perturbation is still poorly understood. The African clawed frog Xenopus laevis experienced a relatively recent tetraploidization {approx} 40 million years ago. Analysis of the considerable amount of EST sequence available for this species together with the genome sequence of the related diploid Xenopus tropicalis provides a unique opportunity to study the genomic response to whole genome duplication.

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Hellsten, Uffe; Khokha, Mustafa K.; Grammar, Timothy C.; Harland,Richard M.; Richardson, Paul & Rokhsar, Daniel S. March 1, 2007.

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Ancient whole genome duplications have been implicated in the vertebrate and teleost radiations, and in the emergence of diverse angiosperm lineages, but the evolutionary response to such a perturbation is still poorly understood. The African clawed frog Xenopus laevis experienced a relatively recent tetraploidization {approx} 40 million years ago. Analysis of the considerable amount of EST sequence available for this species together with the genome sequence of the related diploid Xenopus tropicalis provides a unique opportunity to study the genomic response to whole genome duplication.

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  • Journal Name: BMC Biology; Journal Volume: 5; Journal Issue: 31; Related Information: Journal Publication Date: 07/25/2007

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  • Report No.: LBNL--59969
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 919498
  • Archival Resource Key: ark:/67531/metadc886588

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  • March 1, 2007

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  • Sept. 22, 2016, 2:13 a.m.

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  • Sept. 21, 2017, 3:38 p.m.

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Hellsten, Uffe; Khokha, Mustafa K.; Grammar, Timothy C.; Harland,Richard M.; Richardson, Paul & Rokhsar, Daniel S. Accelerated Gene Evolution and Subfunctionalization in the Pseudotetraploid Frog Xenopus Laevis, article, March 1, 2007; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc886588/: accessed July 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.