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Molecular Phylogeny of the Sand-dwelling Dinoflagellate Planodinium striatum and Chrysodinium gen. nov. for Plagiodinium ballux (Dinophyceae)

Publication date: 24.09.2019

Acta Protozoologica, 2019, Volume 58, Issue 3, pp. 115 - 124

https://doi.org/10.4467/16890027AP.19.012.11421

Authors

,
Fernando Gómez
Université du Littoral Côte d’Opale, Université de Lille, CNRS UMR 8187 LOG, Laboratoire d’Océanologie et de Géosciences, Maison de la Recherche en Environnement Naturel, 32 av. Foch, 62930 Wimereux, France
Carmen Campos Panisse 3, E-11500 Puerto de Santa María, Spain
All publications →
,
Yasuhide Nakamura
Department of Botany, National Museum of Nature and Science, Amakubo 4-1-1, Tsukuba, Ibaraki-ken, 305-0005 Japan
All publications →
Luis F. Artigas
Université du Littoral Côte d’Opale, Université de Lille, CNRS UMR 8187 LOG, Laboratoire d’Océanologie et de Géosciences, Maison de la Recherche en Environnement Naturel, 32 av. Foch, 62930 Wimereux, France
All publications →

Abstract

The molecular phylogeny of the sand-dwelling dinoflagellate Planodinium striatum was investigated from isolates collected in the NE English Channel. In the SSU rRNA gene phylogeny, the sequences of Planodinium clustered with the type species of Plagiodinium, P. belizeanum, and more distantly related to Plagiodinium ballux. Although the SSU rRNA gene sequences of Planodinium showed a high percentage of identity (96%) with partial sequences of species of Podolampas (~1200 base pairs), the SSU rRNA gene phylogenies did not show a relationship with the clade of the Podolampadaceae (Podolampas, Blepharocysta, Roscoffia), neither with the sequences of the sanddwelling genus Cabra. The SSU rRNA gene sequences of Plagiodinium belizeanum and P. ballux showed a low percentage of identity (96%) clustering in separate clades in the SSU rRNA gene phylogeny with Planodinium. The morphology of P. ballux and its generic type differed in the plate arrangement and the morphology of the cingulum, amongst other features. Based on the morphological and molecular differences, we propose the new genus Chrysodinium gen. nov. for P. ballux, with the re-interpreted thecal plate formula Po 3’ 1’’ 7c 2s 5’’’ 1’’’’.

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Information

Information: Acta Protozoologica, 2019, pp. 115 - 124

Article type: Original research article

Authors

Université du Littoral Côte d’Opale, Université de Lille, CNRS UMR 8187 LOG, Laboratoire d’Océanologie et de Géosciences, Maison de la Recherche en Environnement Naturel, 32 av. Foch, 62930 Wimereux, France

Carmen Campos Panisse 3, E-11500 Puerto de Santa María, Spain

Department of Botany, National Museum of Nature and Science, Amakubo 4-1-1, Tsukuba, Ibaraki-ken, 305-0005 Japan

Université du Littoral Côte d’Opale, Université de Lille, CNRS UMR 8187 LOG, Laboratoire d’Océanologie et de Géosciences, Maison de la Recherche en Environnement Naturel, 32 av. Foch, 62930 Wimereux, France

Published at: 24.09.2019

Article status: Open

Licence: CC BY-NC-ND  licence icon

Percentage share of authors:

Fernando Gómez (Author) - 33%
Yasuhide Nakamura (Author) - 33%
Luis F. Artigas (Author) - 34%

Article corrections:

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Publication languages:

English

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