Deoxyribonucleic acid reassociation in the taxonomy of the genus Chlorella |
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Authors: | V A R Huss T K Scharpf E Kessler |
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Institution: | (1) Institut für Botanik und Pharmazeutische Biologie der Universität, Staudtstrasse 5, D-8520 Erlangen, Germany |
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Abstract: | Four species of the unicellular green alga Chlorella, C. vulgaris, C. luteoviridis, C. minutissima, and C. zofingiensis, were characterized with respect to DNA similarities as determined by quantitative DNA hybridization procedures. In contrast to previous DNA hybridization procedures. In contrast to previous results, C. vulgaris turned out to be a homogeneous species with the exception of strain 211-11c of the Göttingen collection, which was shown to belong to C. kessleri. Similary, C. luteoviridis and C. minutissima represent well defined species in terms of phenotypic and genotypic features. Whitin C. zofingiensis on strain is clearly different with respect to DNA base composition and DNA hybridization data even though it shares phenotypic characteristics with the other strains of C. zofingiensis. |
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Keywords: | Chlorella vulgaris Chlorella luteoviridis Chlorella minutissima Chlorella zofingiensis Taxonomy DNA/DNA reassociation DNA homology DNA base composition |
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