Search Results - "Nora G. Montoya"

Biotransformation of mycosporine like amino acids (MAAs) in the toxic dinoflagellate Alexandrium tamarense by Callone, Alan I., Carignan, Mario, Montoya, Nora G., Carreto, José I.

“…Changes in mycosporine-like amino acids (MAAs) induced by the increase of photosynthetically active radiation (PAR) were studied in the toxic dinoflagellate…”
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Environmental and biological factors controlling the spring phytoplankton bloom at the Patagonian shelf-break front – Degraded fucoxanthin pigments and the importance of microzooplankton grazing by Carreto, José I., Montoya, Nora G., Carignan, Mario O., Akselman, Rut, Acha, E. Marcelo, Derisio, Carla

“…•A ∼1000km long monospecific spring diatom bloom was detected along the Patagonian shelf-break front.•Frontal upwelling and sediment resuspension were the main…”
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Harmful phytoplankton in the Beagle Channel (South America) as a potential threat to aquaculture activities by Almandoz, Gastón O., Cefarelli, Adrián O., Diodato, Soledad, Montoya, Nora G., Benavides, Hugo R., Carignan, Mario, Hernando, Marcelo, Fabro, Elena, Metfies, Katja, Lundholm, Nina, Schloss, Irene R., Álvarez, Marcela, Ferrario, Martha E.

“…The Beagle Channel is a remote subantarctic environment where mussel aquaculture initiatives have existed since the early 1990s. Here we analyze phytoplankton…”
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Occurrence of MARINE BIOTOXINS AND SHELLFISH POISONING EVENTS and Their Causative Organisms in Argentine Marine Waters by Krock, Bernd, Ferrario, Martha E., Akselman, Rut, Montoya, Nora G.

“…In the Argentine Sea, marine phycotoxins of microalgal origin associated with five shellfish poisoning syndromes have been reported. The most problematic in…”
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Molecular, morphological, and toxinological characterizations of an Argentinean strain of Halamphora coffeaeformis with potential biotechnological applications by Sala, Silvia E., Vouilloud, Amelia A., Popovich, Cecilia A., Sanchez-Puerta, M. Virginia, Almandoz, Gastón O., Coy, Belén Mattera, Montoya, Nora G., Leonardi, Patricia

“…Diatoms are a diverse group of unicellular microalgae with broad biotechnological and industrial applications. Recent studies have revealed that some species…”
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Experimental exposure of the mussel Mytilus platensis (d’Orbigny, 1842) to the dinoflagellate Alexandrium catenella from Argentine Patagonia by Gracia Villalobos, Leilén L., Tobke, Jésica L., Montoya, Nora G., Santinelli, Norma H., Gil, Mónica N.

“…Individuals of Mytilus platensis were exposed to Alexandrium catenella to evaluate the accumulation and metabolization of paralytic shellfish toxins (PST) over…”
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Toxic strains of the Alexandrium ostenfeldii complex in southern South America (Beagle Channel, Argentina) by Almandoz, Gastón. O., Montoya, Nora G., Hernando, Marcelo P., Benavides, Hugo R., Carignan, Mario O., Ferrario, Martha E.

“…•Alexandrium ostenfeldii was analyzed by SEM in the field and in culture.•Seasonal distribution and ecology were studied during three consecutive years.•This…”
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Toxin variability in cultured and natural populations of Alexandrium tamarense from southern South America – Evidences of diversity and environmental regulation by Montoya, Nora G., Fulco, Vanesa K., Carignan, Mario O., Carreto, José I.

“…Cell content and composition of paralytic shellfish toxins of 10 cultured strains and 6 natural populations of Alexandrium tamarense from the Argentine sea,…”
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Características ambientales y algas nocivas en un área de producción de moluscos bivalvos del Canal Beagle, Argentina by Benavides, Hugo, Montoya, Nora G., Carignan, Mario, Luizón, Carlos

“…En diciembre de 2013 se realizó un estudio para conocer las especies de microalgas tóxicas presentes en el área, las distintas toxinas que producen y los…”
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Comparative studies on mycosporine-like amino acids, paralytic shellfish toxins and pigment profiles of the toxic dinoflagellates Alexandrium tamarense, A. catenella and A. minutum by CARRETO, Jose I, CARIGNAN, Mario O, MONTOYA, Nora G

“…Surface bloom-forming species, predominantly of the Dinophyceae, have the capacity to accumulate high amounts of mycosporine-like amino acids (MAAs). The 3…”
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Mycosporine-like amino acids and xanthophyll-cycle pigments favour a massive spring bloom development of the dinoflagellate Prorocentrum minimum in Grande Bay (Argentina), an ozone hole affected area by Carreto, José I., Carignan, Mario O., Montoya, Nora G., Cozzolino, Ezequiel, Akselman, Rut

“…In Grande Bay (Southern Patagonian Shelf) in a eutrophic and recirculating area slightly stratified during spring, we observed an intense (up to 1×107cellsL−1)…”
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Pigment profile of the ichthyotoxic dinoflagellate Gymnodinium sp. from a massive bloom in southern Chile by Carreto, José I., Seguel, Mirian, Montoya, Nora G., Clément, Alejandro, Carignan, Mario O.

“…The pigment profile of the ichthyotoxic dinoflagellate Gymnodinium sp. from a bloom occurred in southern Chile contained fucoxanthin and 19′-acyloxyfucoxanthin…”
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Seasonal variability of phytoplankton community structure in a coastal station of the Argentine continental shelf based on a chemotaxonomic approach by Ruiz, M. Guillermina, Montoya, Nora G, Molinari, Graciela N, Mattera Coy, M. Belén, Albornoz, Macarena, Carignan, Mario C

“…The composition, abundance and size structure of the phytoplankton community at a coastal time series station (38° 28' S-57° 41' W, EPEA, Argentina) was…”
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Seasonal variability of phytoplankton community structure in a coastal station of the Argentine continental shelf based on a chemotaxonomic approach by M. Guillermina Ruiz, M. Belén Mattera Coy, Mario C. Carignan, Macarena Albornoz, Graciela N. Molinari, Nora G. Montoya

“…The composition, abundance and size structure of the phytoplankton community at a coastal time series station (38° 28' S-57° 41' W, EPEA, Argentina) was…”
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Toxinas Algales en el Mar Argentino: nuevos hallazgos, nuevos desafíos by Montoya, Nora G., Carignan, Mario O., Mattera, María Belén

“…Resumen Las floraciones de algas nocivas son un problema cada vez más frecuente a nivel mundial que ocasiona severos daños sobre la salud pública, pérdidas…”
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Comparative studies on mycosporine-like amino acids, paralytic shellfish toxins and pigment profiles of the toxic dinoflagellatesAlexandrium tamarense, A. catenellaandA. minutum by Carreto, Jose I., Carignan, Mario O., Montoya, Nora G.

“…Surface bloom-forming species, predominantly of the Dinophyceae, have the capacity to accumulate high amounts of mycosporine-like amino acids (MAAs). The 3…”
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