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Registros recuperados: 4
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Bioacumulation of cyanotoxins in Hypophthalmichthys molitrix (Silver Carp) in Paranoá Lake, Brasilia-DF, Brazil. Repositório Alice
OLIVEIRA, N. B.; SCHWARTZ, C. A.; BLOCH JUNIOR, C.; PAULINO, L.; PIRES JÚNIOR, O. R..
Tipo: Separatas Palavras-chave: Cyanotoxin; Silver carps; Paranoá Lake; Hypophthalmichthys Molitrix; Cyanobacteria; Microcystis.
Ano: 2013 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/975029
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Biochemical and genetic alterations in the freshwater neotropical fish Prochilodus lineatus after acute exposure to Microcystis aeruginosa Neotropical Ichthyology
Garcia,Cylene Zambrozi; Martinez,Claudia B. R..
Microcystins are secondary metabolites produced by different species of cyanobacteria, such as Microcystis aeruginosa (MA). In this study, the biochemical and genetic effects of lyophilized MA were evaluated in the neotropical fish Prochilodus lineatus exposed to 1 or 2 mg L-1 lyophilized MA (treated group) or only water (control group) in static toxicity tests for 24 and 96 h. The gills and liver were used in the analysis of biotransformation enzymes and antioxidant defenses, blood and gill cells in genetic analysis and in brain and muscle it was determined the activity of acetylcholinesterase (AChE). The results showed the biotransformation pathway activation due to the increase in hepatic CYP1A and in branchial and hepatic glutathione S-transferase...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Acetylcholinesterase; Antioxidants; Biotransformation; Cyanotoxin; DNA damage.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252012000300015
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Comparative proteomics between natural Microcystis isolates with a focus on microcystin synthesis. Repositório Alice
TONIETTO, A.; PETRIZ, B. A.; ARAÚJO, W. C.; REIS, A. M. dos; MAGALHÃES, B. S.; FRANCO, O. L..
Tipo: Separatas Palavras-chave: Cyanotoxin; Cyanobacteria; Microcystis aeruginosa; Proteome.
Ano: 2012 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/950118
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Hematologic and hepatic responses of the freshwater fish Hoplias malabaricus after saxitoxin exposure. Repositório Alice
ASSIS, H. C. S. de; SILVA, C. A. da; OBA, E. T.; PAMPLONA, J. H.; MELA, M.; DORIA, H. B.; GUILOSKI, I. C.; RAMSDORF, W.; CESTARI, M. M..
The bioaccumulation of saxitoxins (STX) in the trophic chain, mainly in freshwater, are not completely known. This work aimed to elucidate the effects of STX on Hoplias malabaricus through trophic bioassay. The fish were fed once every five days with Astyanax sp. before being subjected to an intraperitoneal inoculation with the lysate of Cylindrospermopsis raciborskii culture containing 97% STX and 3% by neosaxitoxin and gonyautoxin during 20 days. The animal?s liver was assessed using biomarkers as activities of superoxide dismutase (SOD), catalase (CAT), glutathione S-transferase (GST), and glutathione peroxidase (GPx), and concentrations of reduced glutathione (GSH) and lipoperoxidation (LPO) and protein carbonylation (PCO). In the blood was analyzed...
Tipo: Artigo de periódico Palavras-chave: Cyanotoxin; Genotoxicidade; Paralytic shellfish poison; Cianotoxina; Eutroficação.; Peixe de água doce.; Eutrophication; Freshwater fish; Genotoxicity..
Ano: 2013 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/982178
Registros recuperados: 4
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