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Morphological and molecular characterization of Heterocapsa claromecoensis sp. nov. (Peridiniales, Dinophyceae) from Buenos Aires coastal waters (Argentina)

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dc.contributor.authorSunesen, Inés
dc.contributor.authorRodríguez Hernández, Francisco
dc.contributor.authorTardivo Kubis, Jonas A.
dc.contributor.authorAguiar Juárez, Delfina
dc.contributor.authorRisso, Antonella
dc.contributor.authorLavigne, Andrea S.
dc.contributor.authorTillmann, Urban
dc.contributor.authorSar, Eugenia Alicia
dc.contributor.authorWietkamp, Stephan
dc.date.accessioned2024-10-01T11:59:08Z
dc.date.available2024-10-01T11:59:08Z
dc.date.issued2020
dc.descriptionFil: Sunesen, Inés. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina. Fil: Sunesen, Inés. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina.
dc.descriptionFil: Rodríguez Hernández, Francisco. Instituto Español de Oceanografía (IEO); España.
dc.descriptionFil: Tardivo Kubis, Jonas A. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina. Fil: Tardivo Kubis, Jonas A. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina.
dc.descriptionFil: Aguiar Juárez, Delfina. Instituto Español de Oceanografía (IEO); España.
dc.descriptionFil: Risso, Antonella. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina.
dc.descriptionFil: Lavigne, Andrea S. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina.
dc.descriptionFil: Tillmann, Urban. Alfred Wegener Institut-Helmholtz Zentrum für Polar-und Meeresforschung; Alemania.
dc.descriptionFil: Sar, Eugenia Alicia. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina. Fil: Sar, Eugenia Alicia. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina.
dc.descriptionFil: Wietkamp, Stephan. Alfred Wegener Institut-Helmholtz Zentrum für Polar-und Meeresforschung; Alemania.
dc.description.abstractA new species of the marine dinophyte genus Heterocapsa Stein is described. Two clonal strains originating from Argentinean coastal waters were examined with light and electron microscopy and LSU and ITS rDNA sequence data were obtained. Heterocapsa claromecoensis sp. nov. is described as a distinctive species with a conical epitheca, a similar sized and rounded hypotheca, a single reticulate chloroplast situated in the periphery of the cell, and a large pyrenoid in the episome, above an ellipsoidal to rounded nucleus in the hyposome. The plate tabulation pattern of Po (pore plate), cp (cover plate), X (X-plate or canal plate), 5ꞌ, 3a, 7ꞌꞌ, 6c, 5s, 5ꞌꞌꞌ, 2ꞌꞌꞌꞌ was as for most other species of Heterocapsa. H. claromecoensis sp. nov. differs from all other species of Heterocapsa by the microarchitecture of two different types of organic body scales, which uniquely were different in height. Phylogenetic trees based on LSU and ITS rDNA sequences placed H. claromecoensis in a separate branch, with a sequence assigned to H. orientalis being the closest match based on LSU rDNA.
dc.formatapplication/pdf
dc.identifier.urihttps://naturalis.fcnym.unlp.edu.ar/handle/628872547/56044
dc.language.isoeng
dc.sourceEuropean Journal of Phycology.2020;55(4):1-17
dc.subjectBody scales morphology
dc.subjectCell morphology
dc.subjectDinophyceae
dc.subjectHeterocapsa
dc.subjectHeterocapsa claromecoensis
dc.subjectMolecular characterization
dc.subjectPhylogeny
dc.titleMorphological and molecular characterization of Heterocapsa claromecoensis sp. nov. (Peridiniales, Dinophyceae) from Buenos Aires coastal waters (Argentina)
dc.typeArtículo
dspace.entity.typePublication
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