Broadly sampled multigene trees of eukaryotes |
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| Authors: | Hwan Su Yoon Jessica Grant Yonas I Tekle Min Wu Benjamin C Chaon Jeffrey C Cole Jr" target="_blank">John M LogsdonJr David J Patterson Debashish Bhattacharya Laura A Katz |
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| Institution: | (1) Department of Biological Sciences and Center for Comparative Genomics, University of Iowa, 52242 Iowa City, Iowa, USA;(2) Department of Biological Sciences, Smith College, 01063 Northampton, MA, USA;(3) American Type Culture Collection, P.O. Box 1549, 20108 Manassas, VA, USA;(4) Marine Biological Laboratory, Woods Hole, MA 02543, USA;(5) Bigelow Laboratory for Ocean Sciences, 180 West Boothbay Harbor, ME 04575, USA |
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| Abstract: | Background Our understanding of the eukaryotic tree of life and the tremendous diversity of microbial eukaryotes is in flux as additional
genes and diverse taxa are sampled for molecular analyses. Despite instability in many analyses, there is an increasing trend
to classify eukaryotic diversity into six major supergroups: the 'Amoebozoa', 'Chromalveolata', 'Excavata', 'Opisthokonta',
'Plantae', and 'Rhizaria'. Previous molecular analyses have often suffered from either a broad taxon sampling using only single-gene
data or have used multigene data with a limited sample of taxa. This study has two major aims: (1) to place taxa represented
by 72 sequences, 61 of which have not been characterized previously, onto a well-sampled multigene genealogy, and (2) to evaluate
the support for the six putative supergroups using two taxon-rich data sets and a variety of phylogenetic approaches. |
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