Search Results - "Azevedo, Sandra M F O"

Degradation of Multiple Peptides by Microcystin-Degrader Paucibacter toxinivorans (2C20) by Santos, Allan A, Soldatou, Sylvia, de Magalhães, Valeria Freitas, Azevedo, Sandra M F O, Camacho-Muñoz, Dolores, Lawton, Linda A, Edwards, Christine

“…Since conventional drinking water treatments applied in different countries are inefficient at eliminating potentially toxic cyanobacterial peptides, a number…”
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Ecophysiological Aspects and sxt Genes Expression Underlying Induced Chemical Defense in STX-Producing Raphidiopsis raciborskii (Cyanobacteria) against the Zooplankter Daphnia gessneri by Vilar, Mauro C P, Rodrigues, Thiago F C P, Silva, Luan O, Pacheco, Ana Beatriz F, Ferrão-Filho, Aloysio S, Azevedo, Sandra M F O

“…Cyanobacteria stand out among phytoplankton when they form massive blooms and produce toxins. Because cyanotoxin genes date to the origin of metazoans, the…”
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Sublethal microcystin exposure and biochemical outcomes among hemodialysis patients by Hilborn, Elizabeth D, Soares, Raquel M, Servaites, Jerome C, Delgado, Alvima G, Magalhães, Valéria F, Carmichael, Wayne W, Azevedo, Sandra M F O

“…Cyanobacteria are commonly-occurring contaminants of surface waters worldwide. Microcystins, potent hepatotoxins, are among the best characterized cyanotoxins…”
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Sublethal exposure from microcystins to renal insufficiency patients in Rio de Janeiro, Brazil by Soares, Raquel M., Yuan, Moucun, Servaites, Jerome C., Delgado, Alvimar, Magalhães, Valéria F., Hilborn, Elizabeth D., Carmichael, Wayne W., Azevedo, Sandra M. F. O.

“…In November 2001, a cyanobacterial bloom dominated by Microcystis and Anabaena occurred in the Funil Reservoir and the Guandu River, both of which supply…”
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Sporadic distribution and distinctive variations of cylindrospermopsin genes in cyanobacterial strains and environmental samples from Chinese freshwater bodies by Jiang, Yongguang, Xiao, Peng, Yu, Gongliang, Shao, Jihai, Liu, Deming, Azevedo, Sandra M F O, Li, Renhui

“…Increasing reports of cylindrospermopsins (CYNs) in freshwater ecosystems have promoted the demand for identifying all of the potential CYN-producing…”
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Close Link Between Harmful Cyanobacterial Dominance and Associated Bacterioplankton in a Tropical Eutrophic Reservoir by Guedes, Iame A, Rachid, Caio T C C, Rangel, Luciana M, Silva, Lúcia H S, Bisch, Paulo M, Azevedo, Sandra M F O, Pacheco, Ana B F

“…Cyanobacteria tend to become the dominant phytoplankton component in eutrophic freshwater environments during warmer seasons. However, general observations of…”
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A rapid bioassay for detecting saxitoxins using a Daphnia acute toxicity test by Ferrão-Filho, Aloysio da S., Soares, Maria Carolina S., de Magalhães, Valéria Freitas, Azevedo, Sandra M.F.O.

“…Bioassays using Daphnia pulex and Moina micrura were designed to detect cyanobacterial neurotoxins in raw water samples. Phytoplankton and cyanotoxins from…”
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Planktonic microbial profiling in water samples from a Brazilian Amazonian reservoir by Cabral, Bianca C. A., Hoffmann, Luísa, Budowle, Bruce, Ürményi, Turán P., Moura‐Neto, Rodrigo S., Azevedo, Sandra M. F. O., Silva, Rosane

“…Our comprehension of the dynamics and diversity of freshwater planktonic bacterial communities is far from complete concerning the Brazilian Amazonian region…”
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LASSBio 596 per os avoids pulmonary and hepatic inflammation induced by microcystin-LR by Casquilho, Natália V., Carvalho, Giovanna M.C., Alves, João L.C.R., Machado, Mariana N., Soares, Raquel M., Azevedo, Sandra M.F.O., Lima, Lidia M., Barreiro, Eliezer J., Valença, Samuel S., Carvalho, Alysson R., Faffe, Débora S., Zin, Walter A.

“…Cyanobacterial blooms that generate microcystins (MCYSTs) are increasingly recognized as an important health problem in aquatic ecosystems. We have previously…”
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Effects of microcystin-LR on mouse lungs by Soares, Raquel M., Cagido, Viviane R., Ferraro, Rodrigo B., Meyer-Fernandes, José Roberto, Rocco, Patrícia R.M., Zin, Walter A., Azevedo, Sandra M.F.O.

“…Toxic cyanobacteria blooms in drinking water supplies have been an increasing public health concern all over the world. Human populations can be exposed to…”
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Effect of hydrogen peroxide on natural phytoplankton and bacterioplankton in a drinking water reservoir: Mesocosm-scale study by Santos, Allan A., Guedes, Dayvson O., Barros, Mário U.G., Oliveira, Samylla, Pacheco, Ana B.F., Azevedo, Sandra M.F.O., Magalhães, Valéria F., Pestana, Carlos J., Edwards, Christine, Lawton, Linda A., Capelo-Neto, José

“…•10 mg L−1 H2O2 suppressed the Cyanobacteria community over 72 h in mesocosms;•H2O2 decreased water turbidity and increased transparency;•Green Algae became…”
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Can LASSBio 596 and dexamethasone treat acute lung and liver inflammation induced by microcystin-LR? by Carvalho, Giovanna M.C., Oliveira, Vinícius R., Soares, Raquel M., Azevedo, Sandra M.F.O., Lima, Lidia M., Barreiro, Eliezer J., Valença, Samuel S., Saldiva, Paulo H.N., Faffe, Débora S., Zin, Walter A.

“…The treatment of microcystin-LR (MCYST-LR)-induced lung inflammation has never been reported. Hence, LASSBio 596, an anti-inflammatory drug candidate, designed…”
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Effects of a saxitoxin-producer strain of Cylindrospermopsis raciborskii (cyanobacteria) on the swimming movements of cladocerans by Filho, Aloysio da S. Ferrão, da Costa, Simone M, Ribeiro, Manuel Gustavo Leitão, Azevedo, Sandra M.F.O

“…This study evaluated the effects of a saxitoxin-producer strain (T3) of the cyanobacteria species Cylindrospermopsis raciborskii on the swimming movements of…”
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Mercury methylation and bacterial activity associated to tropical phytoplankton by Coelho-Souza, Sérgio A., Guimarães, Jean R.D., Mauro, Jane B.N., Miranda, Marcio R., Azevedo, Sandra M.F.O.

“…The methylated form of mercury (Hg), methylmercury (MeHg), is one of the most toxic pollutants. Biotic and/or abiotic methylation, often associated to…”
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Effects of saxitoxins exposure on oligodendrocyte development in mouse neonates by Lima-Filho, Cesar Macedo, Nogaroli, Luciana, Hedin-Pereira, Cecilia, Azevedo, Sandra M.F.O., Soares, Raquel M.

“…Saxitoxins (STXs) are neurotoxins produced by cyanobacteria and dinoflagellates, and they are primarily known to block voltage-gated sodium channels in…”
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Suppressing cyanobacterial dominance by UV-LED TiO2-photocatalysis in a drinking water reservoir: A mesocosm study by Pestana, Carlos J., Santos, Allan A., Capelo-Neto, José, Melo, Vânia M.M., Reis, Kelly C., Oliveira, Samylla, Rogers, Ricardo, Pacheco, Ana B.F., Hui, Jianing, Skillen, Nathan C., Barros, Mário U.G., Edwards, Christine, Azevedo, Sandra M.F.O., Robertson, Peter K.J., Irvine, John T.S., Lawton, Linda A.

“…•First in situ application of TiO2-treatment units in a drinking water reservoir.•TiO2-based photocatalysis decreased Cyanobacteria abundance by 85% over seven…”
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Effect of grazing by a neotropical copepod, Notodiaptomus, on a natural cyanobacterial assemblage and on toxic and non-toxic cyanobacterial strains by Panosso, Renata, Carlsson, Per, Kozlowsky-Suzuki, Betina, Azevedo, Sandra M. F. O., Granéli, Edna

“…The neotropical, freshwater copepod Notodiaptomus iheringi decreased the growth of small colonies in cyanobacteria-dominated plankton, indicating that they can…”
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Intraspecific variability in response to phosphorus depleted conditions in the cyanobacteria Microcystis aeruginosa and Raphidiopsis raciborskii by Guedes, Iame Alves, Pacheco, Ana Beatriz F., Vilar, Mauro C.P., Mello, Mariana M., Marinho, Marcelo Manzi, Lurling, Miquel, Azevedo, Sandra M.F.O.

“…•Five strains of each species maintained growth for 10 days under phosphorus depleted conditions.•The intraspecific variation among strains of each species was…”
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Is qPCR a Reliable Indicator of Cyanotoxin Risk in Freshwater? by Pacheco, Ana Beatriz F, Guedes, Iame A, Azevedo, Sandra M F O

“…The wide distribution of cyanobacteria in aquatic environments leads to the risk of water contamination by cyanotoxins, which generate environmental and public…”
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Morphology and molecular phylogeny of a new PST-producing dinoflagellate species: Alexandrium fragae sp. nov. (Gonyaulacales, dinophyceae) by Branco, Suema, Oliveira, Mair M.M., Salgueiro, Fabiano, Vilar, Mauro C.P., Azevedo, Sandra M.F.O., Menezes, Mariângela

“…•The study describes Alexandrium fragae, a new harmful species closely related to A. minutum.•The presence of reticulation only on the hypotheca is the main…”
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