Search Results - "Yunes, J. S."

The effectiveness of conventional water treatment in removing Ceratium furcoides (Levander) Langhans, Microcystis sp. and microcystins by De Almeida, C.R., Giroldo, D., Yunes, J.S., Spiandorello, F.B.

“…Algal blooms are a global problem due to various negative effects that can compromise water quality, such as the production of metabolites that are responsible…”
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Antioxidant responses and oxidative stress after microcystin exposure in the hepatopancreas of an estuarine crab species by Pinho, G.L.L., Moura da Rosa, C., Maciel, F.E., Bianchini, A., Yunes, J.S., Proença, L.A.O., Monserrat, J.M.

“…Antioxidant responses and oxidative stress were evaluated in the hepatopancreas of the estuarine crab Chasmagnathus granulatus (Decapoda, Brachyura) after oral…”
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Effects of microcystins over short- and long-term memory and oxidative stress generation in hippocampus of rats by Maidana, M., Carlis, V., Galhardi, F.G., Yunes, J.S., Geracitano, L.A., Monserrat, J.M., Barros, D.M.

“…Microcystins produced by cyanobacteria are potent inhibitors of some protein phosphatases, but recent evidence also indicates its potential to generate…”
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Acute effects of Microcystis aeruginosa from the Patos Lagoon estuary, southern Brazil, on the Microcrustacean kalliapseudes schubartii (Crustacea: Tanaidacea) by MONTAGNOLLI, W, ZAMBONI, A, LUVIZOTTO-SANTOS, R, YUNES, J. S

“…Toxic blooms of the cyanobacterium Microcystis aeruginosa, a microcystin producer, have been observed in the past two decades in the Patos Lagoon estuary…”
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Toxic effects of microcystins in the hepatopancreas of the estuarine crab Chasmagnathus granulatus (Decapoda, Grapsidae) by Pinho, G.L.L., Moura da Rosa, C., Yunes, J.S., Luquet, C.M., Bianchini, A., Monserrat, J.M.

“…Microcystins are toxins produced by cyanobacteria, being toxic to aquatic fauna. It was evaluated alternative mechanisms of microcystins toxicity, including…”
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Biochemical and physiological responses after exposure to microcystins in the crab Chasmagnathus granulatus (Decapoda, Brachyura) by Dewes, L.J., Sandrini, J.Z., Monserrat, J.M., Yunes, J.S.

“…Microcystins are usually the predominant cyanotoxins present in both drinking and recreational waters after cyanobacterial blooms. Their classic toxic effect…”
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Antioxidant responses after microcystin exposure in gills of an estuarine crab species pre-treated with vitamin E by Pinho, G.L.L., Moura da Rosa, C., Maciel, F.E., Bianchini, A., Yunes, J.S., Proença, L.A.O., Monserrat, J.M.

“…Microcystins are hepatotoxins suspected to generate oxidative stress. This mechanism was evaluated in gills of the estuarine crab Chasmagnathus granulatus…”
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Effect of microcystin on ion regulation and antioxidant system in gills of the estuarine crab Chasmagnathus granulatus (Decapoda, Grapsidae) by Vinagre, T.M., Alciati, J.C., Regoli, F., Bocchetti, R., Yunes, J.S., Bianchini, A., Monserrat, J.M.

“…The objective of this work was to evaluate mechanisms of microcystin toxicity on crustacean species. Adult male crabs of Chasmagnathus granulatus (13.97±0.35…”
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Effects of Extracts from the Cyanobacterium Microcystis aeruginosa on Ion Regulation and Gill Na+,K+-ATPase and K+-Dependent Phosphatase Activities of the Estuarine Crab Chasmagnathus granulata (Decapoda, Grapsidae) by Vinagre, T. M., Alciati, J. C., Yunes, J. S., Richards, J., Bianchini, A., Monserrat, J. M.

“…Recent discoveries indicate that microcystins affect enzymes, such as Na+,K+-ATPase, involved in ion regulation of aquatic animals, through K+-dependent…”
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Microcystin-induced oxidative stress in Laeonereis acuta (Polychaeta, Nereididae) by Leão, J.C., Geracitano, L.A., Monserrat, J.M., Amado, L.L., Yunes, J.S.

“…Oxidative stress induced by microcystins was evaluated in an estuarine worm, Laeonereis acuta (Nereididae). Ten organisms were exposed to lyophilized cells of…”
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Toxic blooms of cyanobacteria in the Patos Lagoon Estuary, southern Brazil by Yunes, J. S., Salomon, P. S., Matthiensen, A., Beattie, K. A., Raggett, S. L., Codd, G. A.

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[ d-Leu 1]Microcystin-LR, from the cyanobacterium Microcystis RST 9501 and from a Microcystis bloom in the Patos Lagoon estuary, Brazil by Matthiensen, Alexandre, Beattie, Kenneth A, Yunes, João S, Kaya, Kunimitsu, Codd, Geoffrey A

“…[ d-Leu 1]Microcystin-LR was identified as the most abundant microcystin from a laboratory strain of the cyanobacterium Microcystis sp. isolated from a…”
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Effects of Anabaena spiroides (cyanobacteria) aqueous extracts on the acetylcholinesterase activity of aquatic species by Monserrat, José María, Yunes, Joào Sarkis, Bianchini, Adalto

“…The effects of aqueous extracts from a cyanobacteria species, Anabaena spiroides, on fish (Odontesthes argentinensis), crab (Callinectes sapidus), and purified…”
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Alert System for Algae Bloom Detection in Inland Waters of Latin America: An Ongoing Project by Lobo, F. L., Nagel, G., Maciel, D. A., Ferral, A., German, A., Carvalho, L. S., Martins, V., Barbosa, C. C. F., Novo, E.M., Fernandez, M., Fernandez, V., Yunes, J. S., Collares, G. L., Greb, S., Beltramone, G., Piedra-Castro, L., Pereira Filho, W., Montoya, E., Scavuzzo, M., Sanchez, M. S., Shimoni, M.

“…As part of a collaborative effort among researchers of several institutions and organizations, this project takes advantage of the Google Earth Engine (GEE)…”
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A method to measure total antioxidant capacity against peroxyl radicals in aquatic organisms: Application to evaluate microcystins toxicity by Amado, Lílian Lund, Garcia, Márcia Longaray, Ramos, Patricia Baptista, Freitas, Ricardo Franco, Zafalon, Bruna, Ferreira, Josencler Luis Ribas, Yunes, João Sarkis, Monserrat, José M.

“…Determination of total antioxidant capacity, instead of the measurements of limited number of antioxidants, is very important for the understanding of how…”
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Determination of optimized protocols for the extraction of anticholinesterasic compounds in environmental samples containing cyanobacteria species by Barros, LÉLIA PACHECO CORRĚIA, Monserrat, José Maria, Yunes, JoãO Sarkis

“…The effects of temperature and pH during extraction of toxin(s) from the cyanobacterial genus Anabaena were studied. Different extracts were compared for their…”
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Biodegradation of microcystins by aquatic Burkholderia sp. from a South Brazilian coastal lagoon by Lemes, Gilmar A.F., Kersanach, Ralf, da S. Pinto, Luciano, Dellagostin, Odir A., Yunes, João S., Matthiensen, Alexandre

“…Biological degradation of cyanobacterial hepatotoxin microcystins in estuarine and coastal water samples from the Patos Lagoon estuarine system, a coastal…”
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Effects of light and CO2 on nitrite liberation by the heterocystous cyanobacterium Anabaena variabilis by Yunes, J.S. (FURG, Rio Grande (Brazil). Dept. de Quimica)

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Metabolic Changes Associated with the Diurnal Pattern of N2 Fixation in Gloeothece by GALLON, JOHN R, PERRY, SUSAN M, RAJAB, TARIK M. A, FLAYEH, KHAWOLA A. M, YUNES, JOAO S, CHAPLIN, ALAN E

“…Biochemistry Research Group, School of Biological Sciences, University College of Swansea, Swansea SA2 8PP, UK ABSTRACT When grown in alternating cycles of…”
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First report of a microcystin-containing bloom of the cyanobacterium Microcystis aeruginosa in the La Plata River, South America by De Leon, Lizet, Yunes, João S.

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