Phylogenetic position of the Sphaeropleaceae (Chlorophyta) |
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| Authors: | M Wolf M Buchheim E Hegewald L Krienitz D Hepperle |
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| Institution: | (1) Institute of Freshwater Ecology & Inland Fisheries, Department of Limnology of Stratified Lakes, Stechlin – Neuglobsow, Germany, DE;(2) Faculty of Biological Science, The University of Tulsa, Tulsa, USA, US;(3) Institute of Chemistry and Dynamics of the Geosphere, Research Center Jülich, Jülich, Germany, DE |
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| Abstract: | The complete 18S rRNA gene sequences of four Sphaeroplea C.A. Agardh strains (Sphaeropleales, Sphaeropleaceae), two Atractomorpha Hoffman strains (Sphaeropleales, Sphaeropleaceae) and two Ankyra Fott strains (Chlorococcales, Characiaceae) were determined and subjected to phylogenetic analyses. The analyses indicated
that all these taxa belong to a monophyletic lineage (Sphaeropleaceae) and are related to a group of chlorophycean algae comprising
autosporic taxa and taxa that reproduce by zoospores which are characterized by directly opposed basal bodies. The taxonomic
assignment of the Sphaeropleaceae as a family within the Sphaeropleales (Chlorophyta, Chlorophyceae) is discussed.
Received December 22, 2000 Accepted September 25, 2001 |
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| Keywords: | : 18S rDNA Ankyra Atractomorpha Chlorophyta molecular phylogeny Sphaeroplea Sphaeropleaceae Sphaeropleales |
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