Results 131 to 140 of about 1,942 (155)

2,4-D Herbicide-Induced Hepatotoxicity: Unveiling Disrupted Liver Functions and Associated Biomarkers. [PDF]

Toxics
Martins RX, Carvalho M, Maia ME, Flor B, Souza T, Rocha TL, Félix LM, Farias D.   +7 more
europepmc   +1 more source

Swimbladder abnormalities in piapara (Leporinus obtusidens) captured downstream of the Funil Dam

Neotropical Ichthyology, 2010
Fish damage in hydroelectric stations has been extensively reported, but further investigations focusing on Brazilian migratory species, especially large fish, are needed.
Flademir Wouters, Elissandra Ulbricht Winkaler, Luis David Solis Murgaš   +2 more
exaly   +4 more sources

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Acute Exposure to Glyphosate Herbicide Affects Oxidative Parameters in Piava (Leporinus obtusidens)

Archives of Environmental Contamination and Toxicology, 2011
In recent years, commercial glyphosate herbicide formulations have been widely used in agriculture to control aquatic weeds. These pesticides may result in disruption of ecological balance, causing damage to nontarget organisms including fish. Teleostean fish (Leporinus obtusidens) were exposed to commercial glyphosate herbicide formulation at 0 ...
Vania Lucia Loro, Charlene Menezes, Alexandra Pretto   +2 more
exaly   +3 more sources

Cytogenetics of the Genus Leporinus (Pisces, Anostomidae). II. Molecular Cytogenetics, Organization and Evolutionary Conservation of a Chromosome-Specific Satellite DNA from Leporinus obtusidens

Chromosome Research, 1997
A chromosome-specific satellite DNA from the South American fish species Leporinus obtusidens has been isolated and characterized. Sequence analysis and Southern hybridization studies indicate that the cloned 483-bp fragment is 60% AT rich and appears to comprise two diverged monomers.
Manfred Schartl, M R Koehler, M Guttenbach   +2 more
exaly   +3 more sources

Biochemical effects of clomazone herbicide on piava (Leporinus obtusidens)

Chemosphere, 2008
This study aims to verify the effects of the clomazone concentration used in rice fields on acetylcholinesterase (AChE), thiobarbituric acid reactive substances (TBARS), protein carbonyl and catalase activity in tissues of piava (Leporinus obtusidens).
Denise dos Santos, Miron, Alexandra, Pretto, Márcia, Crestani, Lissandra, Glusczak, Maria Rosa, Schetinger, Vânia Lúcia, Loro, Vera Maria, Morsch   +6 more
openaire   +2 more sources

Gonadorelin increases semen production and does not affect its quality in Leporinus obtusidens

Animal Reproduction Science, 2017
Use of carp pituitary extract (CPE) as a hormone inducer for Leporinus obtusidens is cost-prohibitive; moreover, CPE contains unknown concentrations of gonadotropins. We evaluated the efficacy of gonadorelin as a substitute by analyzing its effect on sperm characteristics of L.
Jurandir Joaquim, Bernardes Júnior, Robie Allan, Bombardelli, Alex Pires de Oliveira, Nuñer   +2 more
openaire   +2 more sources

Exposure to sublethal concentrations of Zn(II) and Cu(II) changes biochemical parameters in Leporinus obtusidens

Chemosphere, 2007
The aim of the present study was to assess the effect of the exposure of Leporinus obtusidens (Piava) to zinc and copper on catalase activity in the liver, delta-aminolevulinate dehidratase (delta-ALA-D) activity in liver, muscle, brain and kidney, and thiobarbituric reactive species (TBARS) in brain, muscle and liver.
C R, Gioda, L A, Lissner, A, Pretto, J B T, da Rocha, M R C, Schetinger, J R, Neto, V M, Morsch, V L, Loro   +7 more
openaire   +2 more sources

Sublethal Zinc and Copper Exposure Affect Acetylcholinesterase Activity and Accumulation in Different Tissues of Leporinus obtusidens

Bulletin of Environmental Contamination and Toxicology, 2012
In this study, we investigated zinc and copper effects on acetylcholinesterase (AChE, EC. 3.1.1.7) activity and metal accumulation in tissues of native fish Leporinus obtusidens (piava). Fish were exposed to 10 and 20 % of the LC(50) that corresponded at 2.28 and 4.57 mg/L (zinc) and 0.018 and 0.038 mg/L (copper) for 30 and 45 days.
Carolina Rosa, Gioda, Vania Lucia, Loro, Alexandra, Pretto, Joseânia, Salbego, Valderi, Dressler, Erico M M, Flores   +5 more
openaire   +2 more sources

Herbicide Formulation with Glyphosate Affects Growth, Acetylcholinesterase Activity, and Metabolic and Hematological Parameters in Piava (Leporinus obtusidens)

Archives of Environmental Contamination and Toxicology, 2010
The teleost fish Leporinus obtusidens (piava) was exposed to different concentrations of Roundup, a commercial herbicide formulation containing glyphosate (0, 1, or 5 mg L(-1)), for 90 days. Acetylcholinesterase (AChE) activity was verified in brain and muscle.
Carolina Gioda, Vania Lucia Loro, Charlene Menezes   +2 more
exaly   +3 more sources