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Analysis of the platypus genome suggests a transposon origin for mammalian imprinting

Andrew J Pask12*, Anthony T Papenfuss3, Eleanor I Ager1, Kaighin A McColl3, Terence P Speed3 and Marilyn B Renfree1

Author Affiliations

1 Department of Zoology, The University of Melbourne, Melbourne, Victoria 3010, Australia

2 Department of Molecular and Cellular Biology, The University of Connecticut, Storrs, CT 06269, USA

3 Bioinformatics Division, The Walter and Eliza Hall Institute, 1G Royal Parade, Parkville, Victoria 3050, Australia

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Genome Biology 2009, 10:R1  doi:10.1186/gb-2009-10-1-r1

Published: 2 January 2009

Additional files

Additional data file 1:

Comparison of the spatial distribution of repeats for seven of the regions examined in our analysis.

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Additional data file 2:

Analysis of percent sequence comprised by each class of repeat element separated by each region.

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Additional data file 3:

Comparative gene map of the IGF2R imprinted region.

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Additional data file 4:

Conservation of imprinted gene orthologues and regions within the human, mouse, dog, opossum, platypus and chicken genomes.

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Open Data

Additional data file 5:

Adjusted p-values from all pairwise t-tests comparing the transformed proportion of sequence in each repeat class between each species for (a) the 19 genes and regions shown in Additional data file 4 and (b) throughout the entire genome. The Holm method of correction for multiple testing was used [25]. Significant results are underlined.

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Open Data