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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Autores principales: Sar, Eugenia Alicia, Andrinolo, Darío, Sunesen, Inés
Formato: Articulo
Lenguaje:Español
Publicado: 2006
Materias:
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/105032
Aporte de:
id I19-R120-10915-105032
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
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