Thalassioneis signyensis (bacillariophyceae) from northwest weddell sea icebergs, an emendation of the generic description

Autores
Ferrario, Martha Elba; Cefarelli, Adrián Oscar; Robison, Bruce; Vernet, María
Año de publicación
2012
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
We offer an emended description of the genus Thalassioneis based on new observations of the type species, T. signyensis Round, from material sampled in the northwest Weddell Sea. Specimens from algal communities attached to submerged flanks of several icebergs were collected with a remote-operated vehicle (ROV-Phantom DS 2). The analyses were carried out by LM and SEM. Fresh material and frustules without organic matter allowed us to observe details not included in the original description such as type and structure of colonies and chloroplasts. The frustule shows an asymmetry with respect to the location of the apical pore fields, one of them situated on the valvar face and the other one displaced toward the mantle; the former is involved in joining contiguous cells to form long chains. Furthermore, we present details on the ultrastructure of the cingulum that consists of three to four open copulae with one or more rows of poroids. A brief discussion on the habit and ecology of this taxon, which may be endemic to the northwest Weddell Sea, is also presented. A comparison with similar genera, such as Brandinia, Creania, Fossula, Fragilaria, Rimoneis, Synedropsis, and Ulnaria, is included with an evaluation of morphological characteristics useful to differentiate them.
Fil: Ferrario, Martha Elba. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Ficología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina
Fil: Cefarelli, Adrián Oscar. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Ficología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina
Fil: Robison, Bruce. Monterey Bay Aquarium Research Institute; Estados Unidos
Fil: Vernet, María. University of California at San Diego; Estados Unidos
Materia
ANTARCTICA
DIATOM
ICEBERG
THALASSIONEIS
WEDDELL SEA
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/189961
Acceder
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spelling Thalassioneis signyensis (bacillariophyceae) from northwest weddell sea icebergs, an emendation of the generic descriptionFerrario, Martha ElbaCefarelli, Adrián OscarRobison, BruceVernet, MaríaANTARCTICADIATOMICEBERGTHALASSIONEISWEDDELL SEAhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1We offer an emended description of the genus Thalassioneis based on new observations of the type species, T. signyensis Round, from material sampled in the northwest Weddell Sea. Specimens from algal communities attached to submerged flanks of several icebergs were collected with a remote-operated vehicle (ROV-Phantom DS 2). The analyses were carried out by LM and SEM. Fresh material and frustules without organic matter allowed us to observe details not included in the original description such as type and structure of colonies and chloroplasts. The frustule shows an asymmetry with respect to the location of the apical pore fields, one of them situated on the valvar face and the other one displaced toward the mantle; the former is involved in joining contiguous cells to form long chains. Furthermore, we present details on the ultrastructure of the cingulum that consists of three to four open copulae with one or more rows of poroids. A brief discussion on the habit and ecology of this taxon, which may be endemic to the northwest Weddell Sea, is also presented. A comparison with similar genera, such as Brandinia, Creania, Fossula, Fragilaria, Rimoneis, Synedropsis, and Ulnaria, is included with an evaluation of morphological characteristics useful to differentiate them.Fil: Ferrario, Martha Elba. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Ficología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; ArgentinaFil: Cefarelli, Adrián Oscar. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Ficología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; ArgentinaFil: Robison, Bruce. Monterey Bay Aquarium Research Institute; Estados UnidosFil: Vernet, María. University of California at San Diego; Estados UnidosWiley Blackwell Publishing, Inc2012-02info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/189961Ferrario, Martha Elba; Cefarelli, Adrián Oscar; Robison, Bruce; Vernet, María; Thalassioneis signyensis (bacillariophyceae) from northwest weddell sea icebergs, an emendation of the generic description; Wiley Blackwell Publishing, Inc; Journal of Phycology; 48; 1; 2-2012; 222-2300022-3646CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1111/j.1529-8817.2011.01097.xinfo:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/10.1111/j.1529-8817.2011.01097.xinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-10T13:11:02Zoai:ri.conicet.gov.ar:11336/189961instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-10 13:11:02.653CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Thalassioneis signyensis (bacillariophyceae) from northwest weddell sea icebergs, an emendation of the generic description
title Thalassioneis signyensis (bacillariophyceae) from northwest weddell sea icebergs, an emendation of the generic description
spellingShingle Thalassioneis signyensis (bacillariophyceae) from northwest weddell sea icebergs, an emendation of the generic description
Ferrario, Martha Elba
ANTARCTICA
DIATOM
ICEBERG
THALASSIONEIS
WEDDELL SEA
title_short Thalassioneis signyensis (bacillariophyceae) from northwest weddell sea icebergs, an emendation of the generic description
title_full Thalassioneis signyensis (bacillariophyceae) from northwest weddell sea icebergs, an emendation of the generic description
title_fullStr Thalassioneis signyensis (bacillariophyceae) from northwest weddell sea icebergs, an emendation of the generic description
title_full_unstemmed Thalassioneis signyensis (bacillariophyceae) from northwest weddell sea icebergs, an emendation of the generic description
title_sort Thalassioneis signyensis (bacillariophyceae) from northwest weddell sea icebergs, an emendation of the generic description
dc.creator.none.fl_str_mv Ferrario, Martha Elba
Cefarelli, Adrián Oscar
Robison, Bruce
Vernet, María
author Ferrario, Martha Elba
author_facet Ferrario, Martha Elba
Cefarelli, Adrián Oscar
Robison, Bruce
Vernet, María
author_role author
author2 Cefarelli, Adrián Oscar
Robison, Bruce
Vernet, María
author2_role author
author
author
dc.subject.none.fl_str_mv ANTARCTICA
DIATOM
ICEBERG
THALASSIONEIS
WEDDELL SEA
topic ANTARCTICA
DIATOM
ICEBERG
THALASSIONEIS
WEDDELL SEA
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv We offer an emended description of the genus Thalassioneis based on new observations of the type species, T. signyensis Round, from material sampled in the northwest Weddell Sea. Specimens from algal communities attached to submerged flanks of several icebergs were collected with a remote-operated vehicle (ROV-Phantom DS 2). The analyses were carried out by LM and SEM. Fresh material and frustules without organic matter allowed us to observe details not included in the original description such as type and structure of colonies and chloroplasts. The frustule shows an asymmetry with respect to the location of the apical pore fields, one of them situated on the valvar face and the other one displaced toward the mantle; the former is involved in joining contiguous cells to form long chains. Furthermore, we present details on the ultrastructure of the cingulum that consists of three to four open copulae with one or more rows of poroids. A brief discussion on the habit and ecology of this taxon, which may be endemic to the northwest Weddell Sea, is also presented. A comparison with similar genera, such as Brandinia, Creania, Fossula, Fragilaria, Rimoneis, Synedropsis, and Ulnaria, is included with an evaluation of morphological characteristics useful to differentiate them.
Fil: Ferrario, Martha Elba. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Ficología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina
Fil: Cefarelli, Adrián Oscar. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Ficología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina
Fil: Robison, Bruce. Monterey Bay Aquarium Research Institute; Estados Unidos
Fil: Vernet, María. University of California at San Diego; Estados Unidos
description We offer an emended description of the genus Thalassioneis based on new observations of the type species, T. signyensis Round, from material sampled in the northwest Weddell Sea. Specimens from algal communities attached to submerged flanks of several icebergs were collected with a remote-operated vehicle (ROV-Phantom DS 2). The analyses were carried out by LM and SEM. Fresh material and frustules without organic matter allowed us to observe details not included in the original description such as type and structure of colonies and chloroplasts. The frustule shows an asymmetry with respect to the location of the apical pore fields, one of them situated on the valvar face and the other one displaced toward the mantle; the former is involved in joining contiguous cells to form long chains. Furthermore, we present details on the ultrastructure of the cingulum that consists of three to four open copulae with one or more rows of poroids. A brief discussion on the habit and ecology of this taxon, which may be endemic to the northwest Weddell Sea, is also presented. A comparison with similar genera, such as Brandinia, Creania, Fossula, Fragilaria, Rimoneis, Synedropsis, and Ulnaria, is included with an evaluation of morphological characteristics useful to differentiate them.
publishDate 2012
dc.date.none.fl_str_mv 2012-02
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/189961
Ferrario, Martha Elba; Cefarelli, Adrián Oscar; Robison, Bruce; Vernet, María; Thalassioneis signyensis (bacillariophyceae) from northwest weddell sea icebergs, an emendation of the generic description; Wiley Blackwell Publishing, Inc; Journal of Phycology; 48; 1; 2-2012; 222-230
0022-3646
CONICET Digital
CONICET
url http://hdl.handle.net/11336/189961
identifier_str_mv Ferrario, Martha Elba; Cefarelli, Adrián Oscar; Robison, Bruce; Vernet, María; Thalassioneis signyensis (bacillariophyceae) from northwest weddell sea icebergs, an emendation of the generic description; Wiley Blackwell Publishing, Inc; Journal of Phycology; 48; 1; 2-2012; 222-230
0022-3646
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1111/j.1529-8817.2011.01097.x
info:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/10.1111/j.1529-8817.2011.01097.x
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Wiley Blackwell Publishing, Inc
publisher.none.fl_str_mv Wiley Blackwell Publishing, Inc
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 12.993085

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