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Science 3 November 2000:
Vol. 290. no. 5493, pp. 972 - 977
DOI: 10.1126/science.290.5493.972
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Reports

A Kingdom-Level Phylogeny of Eukaryotes Based on Combined Protein Data

Sandra L. Baldauf,1* A. J. Roger,2 I. Wenk-Siefert,3dagger W. F. Doolittle2

Current understanding of the higher order systematics of eukaryotes relies largely on analyses of the small ribosomal subunit RNA (SSU rRNA). Independent testing of these results is still limited. We have combined the sequences of four of the most broadly taxonomically sampled proteins available to create a roughly parallel data set to that of SSU rRNA. The resulting phylogenetic tree shows a number of striking differences from SSU rRNA phylogeny, including strong support for most major groups and several major supergroups.

1 Department of Biology, University of York, Heslington, York, YO10 5DD, UK.
2 Canadian Institute for Advanced Research--Program in Evolutionary Biology, Department of Biochemistry and Molecular Biology, Dalhousie University, Halifax, Nova Scotia, B3H 4H7 Canada.
3 Institut fur Pflanzenbiologie, Universitat Zurich, CH-8008 Zurich, Switzerland.
*   To whom correspondence should be addressed. E-mail: slb14{at}york.ac.uk

dagger    Present address: Kuehried-Weg 28, CH-8050 Zurich, Switzerland.

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H. Kong, J. Leebens-Mack, W. Ni, C. W. dePamphilis, and H. Ma (2004)
Mol. Biol. Evol. 21, 117-128
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Science. ISSN 0036-8075 (print), 1095-9203 (online)