A New Clade, Based on Partial LSU rDNA Sequences, of Unarmoured Dinoflagellates

A New Clade, Based on Partial LSU rDNA Sequences, of Unarmoured Dinoflagellates

14 pages, 5 figures, 1 table

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Main Authors: Reñé, Albert, Salas, Miguel de, Camp, Jordi, Balagué, Vanessa, Garcés, Esther
Format: artículo biblioteca
Language:English
Published: Elsevier 2013-09
Subjects:Acrobase, Ceratoperidinium, Gymnodiniales, LSU rDNA, Phylogeny, Unarmoured, LSU, rDNA,
Online Access:http://hdl.handle.net/10261/83104
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spelling dig-icm-es-10261-831042020-12-03T08:08:02Z A New Clade, Based on Partial LSU rDNA Sequences, of Unarmoured Dinoflagellates Reñé, Albert Salas, Miguel de Camp, Jordi Balagué, Vanessa Garcés, Esther Acrobase Ceratoperidinium Gymnodiniales LSU rDNA Phylogeny Unarmoured LSU rDNA 14 pages, 5 figures, 1 table The order Gymnodiniales comprises unarmoured dinoflagellates. However, the lack of sequences hindered determining the phylogenetic positions and systematic relationships of several gymnodinioid taxa. In this study, a monophyletic clade was defined for the species Ceratoperidinium margalefii Loeblich III, Gyrodinium falcatum Kofoid & Swezy, three Cochlodinium species, and two Gymnodinium-like dinoflagellates. Despite their substantial morphotypic differentiation, Cochlodinium cf. helix, G. falcatum and ‘Gymnodinium’ sp. 1 share a common shape of the acrobase. The phylogenetic data led to the following conclusions: (1) C. margalefii is closely related to several unarmoured dinoflagellates. Its sulcus shape has been observed for the first time. (2) G. falcatum was erroneously assigned to the genus Gyrodinium and is transferred to Ceratoperidinium (C. falcatum (Kofoid & Swezy) Reñé & de Salas comb. nov.). (3) The genus Cochlodinium is polyphyletic and thus artificial; our data support its separation into three different genera. (4) The two Gymnodinium-like species could not be morphologically or phylogenetically related to any other gymnodinioid species sequenced to date. While not all studied species have been definitively transferred to the correct genus, our study is a step forward in the classification of inconspicuous unarmoured dinoflagellates. The family Ceratoperidiniaeceae and the genus Ceratoperidinium are emended Financial support was provided by the project DEVOTES (DEVelopment Of innovative Tools for understanding marine biodiversity and assessing good Environmental Status) funded by the European Union under the 7th Framework Programme,‘The Ocean for Tomorrow’ Theme (Grant agreement no. 308392), http://www.devotes-project.eu. We thank M. Fernández-Tejedor (IRTA) for providing samples from Fangar Bay Peer reviewed 2013-10-02T08:22:27Z 2013-10-02T08:22:27Z 2013-09 artículo http://purl.org/coar/resource_type/c_6501 Protist 164(5): 673-685 (2013) 1434-4610 http://hdl.handle.net/10261/83104 10.1016/j.protis.2013.07.002 1618-0941 en #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/EC/FP7/308392 https://doi.org/10.1016/j.protis.2013.07.002 open Elsevier
institution ICM ES
collection DSpace
country España
countrycode ES
component Bibliográfico
access En linea
databasecode dig-icm-es
tag biblioteca
region Europa del Sur
libraryname Biblioteca del ICM España
language English
topic Acrobase
Ceratoperidinium
Gymnodiniales
LSU rDNA
Phylogeny
Unarmoured
LSU
rDNA
Acrobase
Ceratoperidinium
Gymnodiniales
LSU rDNA
Phylogeny
Unarmoured
LSU
rDNA
spellingShingle Acrobase
Ceratoperidinium
Gymnodiniales
LSU rDNA
Phylogeny
Unarmoured
LSU
rDNA
Acrobase
Ceratoperidinium
Gymnodiniales
LSU rDNA
Phylogeny
Unarmoured
LSU
rDNA
Reñé, Albert
Salas, Miguel de
Camp, Jordi
Balagué, Vanessa
Garcés, Esther
A New Clade, Based on Partial LSU rDNA Sequences, of Unarmoured Dinoflagellates
description 14 pages, 5 figures, 1 table
format artículo
topic_facet Acrobase
Ceratoperidinium
Gymnodiniales
LSU rDNA
Phylogeny
Unarmoured
LSU
rDNA
author Reñé, Albert
Salas, Miguel de
Camp, Jordi
Balagué, Vanessa
Garcés, Esther
author_facet Reñé, Albert
Salas, Miguel de
Camp, Jordi
Balagué, Vanessa
Garcés, Esther
author_sort Reñé, Albert
title A New Clade, Based on Partial LSU rDNA Sequences, of Unarmoured Dinoflagellates
title_short A New Clade, Based on Partial LSU rDNA Sequences, of Unarmoured Dinoflagellates
title_full A New Clade, Based on Partial LSU rDNA Sequences, of Unarmoured Dinoflagellates
title_fullStr A New Clade, Based on Partial LSU rDNA Sequences, of Unarmoured Dinoflagellates
title_full_unstemmed A New Clade, Based on Partial LSU rDNA Sequences, of Unarmoured Dinoflagellates
title_sort new clade, based on partial lsu rdna sequences, of unarmoured dinoflagellates
publisher Elsevier
publishDate 2013-09
url http://hdl.handle.net/10261/83104
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