Abstract
Phylogenetic relationships within the genusChlorella were studied by means of DNA/DNA hybridization under both optimal and relaxed reassociation conditions as well as by determination of the thermal stability of hybrid DNA duplexes. The results indicate a relationship betweenC. fusca var.fusca, C. fusca var.rubescens, C. fusca var.vacuolata, and the genusScenedesmus. In addition, the strains endosymbiotic withParamecium bursaria seem to be related with theC. vulgaris/sorokiniana group. The relations between most other species, however, could not be sufficiently resolved by the above methods. This implies considerable phylogenetic divergency within the genusChlorella.
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Huss, V.A.R., Huss, G. & Kessler, E. Deoxyribonucleic acid reassociation and interspecies relationships of the genusChlorella (Chlorophyceae). Pl Syst Evol 168, 71–82 (1989). https://doi.org/10.1007/BF00936108
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DOI: https://doi.org/10.1007/BF00936108