Variations in growth and toxicity in Gymnodinium catenatum Graham from the Gulf of California under different ratios of nitrogen and phosphorus

A strain of Gymnodinium catenatum Graham (GCCV-7), isolated from the Gulf of California, was submitted to conditions with different nitrogen-to-phosphorus ratios (5.4, 9.2, 23.5, 44.7, and 74.3) to determine the effect of these ratios on the growth, toxicity, and variations in toxin profile. No diff...

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Autores: Bustillos-Guzmán, J J, Band-Schmidt, C J, López-Cortés, D J, Gárate-Lizárraga, I, Núñez-Vázquez, EJ, Hernández-Sandoval, FE
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2011
País:México
Institución:UNIVERSIDAD AUTÓNOMA DE BAJA CALIFORNIA
Repositorio:Ciencias Marinas
Idioma:inglés
OAI Identifier:oai:cienciasmarinas.com.mx:article/1916
Acceso en línea:https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/1916
Access Level:acceso abierto
Palabra clave:Gymnodinium catenatum
nitrogen
phosphorus
toxins
Gulf of California
nitrógeno
fósforo
toxinas
golfo de California
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spelling Variations in growth and toxicity in Gymnodinium catenatum Graham from the Gulf of California under different ratios of nitrogen and phosphorusVariaciones en el crecimiento y toxicidad en Gymnodinium catenatum Graham del golfo de California bajo diferentes proporciones de nitrógeno y fósforoBustillos-Guzmán, J JBand-Schmidt, C JLópez-Cortés, D JGárate-Lizárraga, INúñez-Vázquez, EJHernández-Sandoval, FEGymnodinium catenatumnitrogenphosphorustoxinsGulf of CaliforniaGymnodinium catenatumnitrógenofósforotoxinasgolfo de CaliforniaA strain of Gymnodinium catenatum Graham (GCCV-7), isolated from the Gulf of California, was submitted to conditions with different nitrogen-to-phosphorus ratios (5.4, 9.2, 23.5, 44.7, and 74.3) to determine the effect of these ratios on the growth, toxicity, and variations in toxin profile. No differences in toxicity and toxin profile were found among the treatments. Highest cell density occurred at the N:P ratio of 23.5:1, yielding 33% more cells than the 44.5:1 and 74.3:1 treatments, which in turn had 34% and 30% more cells than the 5.4:1 and 9.2:1 treatments. Toxin cell quota and variations in toxin composition were clearly related to growth rates. Toxicity remained relatively invariable because of changes in toxin composition rather than changes in the toxin cell quota during the different growth stages. The data suggest that changes in the N:P ratios do not stimulate production of toxins or changes in toxin profiles, but do affect cell density, and that cellular toxin dynamics is related to the growth stage. Se sometió a una cepa de Gymnodinium catenatum Graham (GCCV-7), aislada del golfo de California, a diferentes proporciones de nitrógeno y fósforo (5.4, 9.2, 23.5, 44.7 y 74.3) para determinar el efecto de estas proporciones en el crecimiento, toxicidad y variaciones en el perfil de toxinas. No se encontraron diferencias en la toxicidad ni en el perfil de toxinas entre los tratamientos. Sin embargo, la mayor densidad celular se presentó en la proporción de N:P de 23.5:1 con 33% más células que en los tratamientos N:P de 44.5:1 y 74.3:1, los cuales a su vez presentaron 34% y 30% más células que en los tratamientos 5.4:1 y 9.2:1. El contenido de total de toxinas por célula y la variación en el perfil de toxinas estuvo claramente relacionado con las tasas de crecimiento. La toxicidad se mantuvo relativamente constante debido, principalmente, a los cambios en el perfil que al contenido celular de toxinas en las diversas estapas de crecimiento. Estos datos sugieren que los cambios en la proporción de N:P no estimulan la producción de toxinas ni cambios en el perfil de toxinas paralizantes, pero sí afectan la densidad celular, y que la dinámica celular de toxinas está relacionada con la fase de crecimiento.Iniversidad Autónoma de Baja California2011-11-23info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionPeer-reviewed Article Artículo Arbitradoapplication/pdfhttps://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/191610.7773/cm.v38i1A.1916Ciencias Marinas; Vol. 38 No. 1A (2012); 101-117Ciencias Marinas; Vol. 38 Núm. 1A (2012); 101-1172395-90530185-3880reponame:Ciencias Marinasinstname:UNIVERSIDAD AUTÓNOMA DE BAJA CALIFORNIAinstacron:UABCenghttps://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/1916/1688info:eu-repo/semantics/openAccessoai:cienciasmarinas.com.mx:article/19162024-08-22T17:01:40Z
dc.title.none.fl_str_mv Variations in growth and toxicity in Gymnodinium catenatum Graham from the Gulf of California under different ratios of nitrogen and phosphorus
Variaciones en el crecimiento y toxicidad en Gymnodinium catenatum Graham del golfo de California bajo diferentes proporciones de nitrógeno y fósforo
title Variations in growth and toxicity in Gymnodinium catenatum Graham from the Gulf of California under different ratios of nitrogen and phosphorus
spellingShingle Variations in growth and toxicity in Gymnodinium catenatum Graham from the Gulf of California under different ratios of nitrogen and phosphorus
Bustillos-Guzmán, J J
Gymnodinium catenatum
nitrogen
phosphorus
toxins
Gulf of California
Gymnodinium catenatum
nitrógeno
fósforo
toxinas
golfo de California
title_short Variations in growth and toxicity in Gymnodinium catenatum Graham from the Gulf of California under different ratios of nitrogen and phosphorus
title_full Variations in growth and toxicity in Gymnodinium catenatum Graham from the Gulf of California under different ratios of nitrogen and phosphorus
title_fullStr Variations in growth and toxicity in Gymnodinium catenatum Graham from the Gulf of California under different ratios of nitrogen and phosphorus
title_full_unstemmed Variations in growth and toxicity in Gymnodinium catenatum Graham from the Gulf of California under different ratios of nitrogen and phosphorus
title_sort Variations in growth and toxicity in Gymnodinium catenatum Graham from the Gulf of California under different ratios of nitrogen and phosphorus
dc.creator.none.fl_str_mv Bustillos-Guzmán, J J
Band-Schmidt, C J
López-Cortés, D J
Gárate-Lizárraga, I
Núñez-Vázquez, EJ
Hernández-Sandoval, FE
author Bustillos-Guzmán, J J
author_facet Bustillos-Guzmán, J J
Band-Schmidt, C J
López-Cortés, D J
Gárate-Lizárraga, I
Núñez-Vázquez, EJ
Hernández-Sandoval, FE
author_role author
author2 Band-Schmidt, C J
López-Cortés, D J
Gárate-Lizárraga, I
Núñez-Vázquez, EJ
Hernández-Sandoval, FE
author2_role author
author
author
author
author
dc.subject.none.fl_str_mv Gymnodinium catenatum
nitrogen
phosphorus
toxins
Gulf of California
Gymnodinium catenatum
nitrógeno
fósforo
toxinas
golfo de California
topic Gymnodinium catenatum
nitrogen
phosphorus
toxins
Gulf of California
Gymnodinium catenatum
nitrógeno
fósforo
toxinas
golfo de California
description A strain of Gymnodinium catenatum Graham (GCCV-7), isolated from the Gulf of California, was submitted to conditions with different nitrogen-to-phosphorus ratios (5.4, 9.2, 23.5, 44.7, and 74.3) to determine the effect of these ratios on the growth, toxicity, and variations in toxin profile. No differences in toxicity and toxin profile were found among the treatments. Highest cell density occurred at the N:P ratio of 23.5:1, yielding 33% more cells than the 44.5:1 and 74.3:1 treatments, which in turn had 34% and 30% more cells than the 5.4:1 and 9.2:1 treatments. Toxin cell quota and variations in toxin composition were clearly related to growth rates. Toxicity remained relatively invariable because of changes in toxin composition rather than changes in the toxin cell quota during the different growth stages. The data suggest that changes in the N:P ratios do not stimulate production of toxins or changes in toxin profiles, but do affect cell density, and that cellular toxin dynamics is related to the growth stage. 
publishDate 2011
dc.date.none.fl_str_mv 2011-11-23
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
Artículo Arbitrado
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/1916
10.7773/cm.v38i1A.1916
url https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/1916
identifier_str_mv 10.7773/cm.v38i1A.1916
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/1916/1688
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Iniversidad Autónoma de Baja California
publisher.none.fl_str_mv Iniversidad Autónoma de Baja California
dc.source.none.fl_str_mv Ciencias Marinas; Vol. 38 No. 1A (2012); 101-117
Ciencias Marinas; Vol. 38 Núm. 1A (2012); 101-117
2395-9053
0185-3880
reponame:Ciencias Marinas
instname:UNIVERSIDAD AUTÓNOMA DE BAJA CALIFORNIA
instacron:UABC
instname_str UNIVERSIDAD AUTÓNOMA DE BAJA CALIFORNIA
instacron_str UABC
institution UABC
reponame_str Ciencias Marinas
collection Ciencias Marinas
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15.811543

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