Análisis morfológico y toxicológico de cultivos de <i>Pseudo-nitzschia pungens</i> var. <i>pungens</i> (Bacillariophyceae)
In the framework of a project of monitoring of harmful diatom species carried out in the Northern area of the Golfo San Matías (Provincia de Río Negro, Argentina) we found and established cultures of Pseudo-nitzschia pungens (Grunow ex. P.T. Cleve) Hasle var. pungens. The strains isolated from net p...
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Formato: | Articulo |
Lenguaje: | Español |
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2006
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Acceso en línea: | http://sedici.unlp.edu.ar/handle/10915/105032 |
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I19-R120-10915-105032 |
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record_format |
dspace |
institution |
Universidad Nacional de La Plata |
institution_str |
I-19 |
repository_str |
R-120 |
collection |
SEDICI (UNLP) |
language |
Español |
topic |
Ciencias Naturales Pseudo-nitzschia pungens var. pungens Cultivos Morfología Ácido domoico |
spellingShingle |
Ciencias Naturales Pseudo-nitzschia pungens var. pungens Cultivos Morfología Ácido domoico Sar, Eugenia Alicia Andrinolo, Darío Sunesen, Inés Análisis morfológico y toxicológico de cultivos de <i>Pseudo-nitzschia pungens</i> var. <i>pungens</i> (Bacillariophyceae) |
topic_facet |
Ciencias Naturales Pseudo-nitzschia pungens var. pungens Cultivos Morfología Ácido domoico |
description |
In the framework of a project of monitoring of harmful diatom species carried out in the Northern area of the Golfo San Matías (Provincia de Río Negro, Argentina) we found and established cultures of Pseudo-nitzschia pungens (Grunow ex. P.T. Cleve) Hasle var. pungens. The strains isolated from net phytoplankton samples obtained in Las Grutas and Piedras Coloradas, (Golfo San Matías) were cultured in F/2 medium, with silica added, and maintained at 20 ºC, under continuous light supplied by cool-white fluorescent tubes. Cultures were essayed for domoic acid (DA) by High Performance Liquid Chromatography (HPLC). Materials from field and cultures were studied with light and scanning electron microscopy. Comparison with closely related taxa, P. pungens var. cingulata Villac and P. multiseries (Hasle) Hasle, and analysis of the fine morphology of cultured material, were conducted and discussed. In spite of P. pungens var. pungens has been reported as domoic acid producer, the toxin was not detected in any of the cultures tested. |
format |
Articulo Articulo |
author |
Sar, Eugenia Alicia Andrinolo, Darío Sunesen, Inés |
author_facet |
Sar, Eugenia Alicia Andrinolo, Darío Sunesen, Inés |
author_sort |
Sar, Eugenia Alicia |
title |
Análisis morfológico y toxicológico de cultivos de <i>Pseudo-nitzschia pungens</i> var. <i>pungens</i> (Bacillariophyceae) |
title_short |
Análisis morfológico y toxicológico de cultivos de <i>Pseudo-nitzschia pungens</i> var. <i>pungens</i> (Bacillariophyceae) |
title_full |
Análisis morfológico y toxicológico de cultivos de <i>Pseudo-nitzschia pungens</i> var. <i>pungens</i> (Bacillariophyceae) |
title_fullStr |
Análisis morfológico y toxicológico de cultivos de <i>Pseudo-nitzschia pungens</i> var. <i>pungens</i> (Bacillariophyceae) |
title_full_unstemmed |
Análisis morfológico y toxicológico de cultivos de <i>Pseudo-nitzschia pungens</i> var. <i>pungens</i> (Bacillariophyceae) |
title_sort |
análisis morfológico y toxicológico de cultivos de <i>pseudo-nitzschia pungens</i> var. <i>pungens</i> (bacillariophyceae) |
publishDate |
2006 |
url |
http://sedici.unlp.edu.ar/handle/10915/105032 |
work_keys_str_mv |
AT sareugeniaalicia analisismorfologicoytoxicologicodecultivosdeipseudonitzschiapungensivaripungensibacillariophyceae AT andrinolodario analisismorfologicoytoxicologicodecultivosdeipseudonitzschiapungensivaripungensibacillariophyceae AT sunesenines analisismorfologicoytoxicologicodecultivosdeipseudonitzschiapungensivaripungensibacillariophyceae AT sareugeniaalicia morphologicalandtoxicologicalanalysisofculturesofpseudonitzschiapungensvarpungensbacillariophyceae AT andrinolodario morphologicalandtoxicologicalanalysisofculturesofpseudonitzschiapungensvarpungensbacillariophyceae AT sunesenines morphologicalandtoxicologicalanalysisofculturesofpseudonitzschiapungensvarpungensbacillariophyceae |
bdutipo_str |
Repositorios |
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1764820442768474114 |