One step closer to eliminating the nomenclatural problems of minute coccoid green algae: Pseudochloris wilhelmii, gen. et sp. nov. (Trebouxiophyceae, Chlorophyta)
Autor: | Károly Márialigeti, Lajos Vörös, Kerstin Flieger, Katalin Solymosi, Boglárka Somogyi, Béla Böddi, Tamás Felföldi |
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Rok vydání: | 2013 |
Předmět: | |
Zdroj: | European Journal of Phycology. 48:427-436 |
ISSN: | 1469-4433 0967-0262 |
DOI: | 10.1080/09670262.2013.854411 |
Popis: | ‘Chlorella’ and ‘Nannochloris’ were traditional genera of minute coccoid green algae with numerous species described in the past century, including isolates used as experimental test organisms. In the last few years, the introduction of DNA-based phylogenetic analyses resulted in a large number of taxonomic revisions. We investigated and reclassified a taxonomically problematic group within the Trebouxiophyceae (comprising ‘Nannochloris eucaryotum’ UTEX 2502, ‘N. eucaryotum’ SAG 55.87 and ‘Chlorella minutissima’ SAG 1.80), distantly related to the recently described Chloroparva isolates (97.5–97.9 % 18S rRNA gene pairwise similarity). Cryopreserved material of SAG 55.87 was selected as holotype for a novel species – Pseudochloris wilhelmii Somogyi, Felfoldi & Voros – whose phylogenetic position confirmed the proposal of a new genus. Pseudochloris wilhelmii had spherical to oval cells with an average diameter of 2.6 × 2.8 µm and a simple ultrastructure characteristic of small green algae. Vegetative cells ... |
Databáze: | OpenAIRE |
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