A5082824945- Environmental Toxicology and Ecotoxicology
- Aquaculture disease management and microbiota
- Aquaculture Nutrition and Growth
- Pesticide and Herbicide Environmental Studies
- Pharmaceutical and Antibiotic Environmental Impacts
- Parasite Biology and Host Interactions
- Pesticide Exposure and Toxicity
- Insect and Pesticide Research
- Marine Biology and Environmental Chemistry
- Helminth infection and control
- Physiological and biochemical adaptations
- Fish Biology and Ecology Studies
- Nanoparticles: synthesis and applications
- Fish Ecology and Management Studies
- Myxozoan Parasites in Aquatic Species
- Crustacean biology and ecology
- Pharmacological Effects and Assays
- Parasites and Host Interactions
- Invertebrate Immune Response Mechanisms
- Microbial infections and disease research
- Insect Pest Control Strategies
- Ginseng Biological Effects and Applications
- Nanopore and Nanochannel Transport Studies
- Hops Chemistry and Applications
- Graphene and Nanomaterials Applications
University of South Bohemia in České Budějovice
2016-2025
South Bohemia research center of aquaculture and biodiversity of hydrocenoses
2015-2024
Sewanee: The University of the South
2012-2013
In the present work, marine invertebrate Mytilus galloprovincialis was used as model organism to evaluate toxic effects of neonicotinoid Calypso 480 SC (CAL) following 20 days exposure sub-lethal concentrations 7.77 mg L-1 (0.1% 96 h-LC50) and 77.70 (1% h-LC50), a recovery period 10 in uncontaminated seawater. Results revealed that both CAL increased significantly mortality rate cells haemolymph digestive gland, while gland were no longer able regulate cell volume. Exposure reduced...
Pesticides can enter aquatic environments potentially affecting non-target organisms. Unfortunately, the effects of such substances are still poorly understood. This study investigated active neonicotinoid substance thiacloprid (TH) and commercial product Calypso 480 SC (CA) (active compound 40.4% TH) on Mytilus galloprovincialis after short-term exposure to sublethal concentrations. Mussels were tested for seven days 0, 1, 5 10 mg L-1 TH 10, 50 100 CA. For this purpose, several parameters,...
A multistep sample preparation method was developed to separate metal-based engineered nanoparticles (ENPs) from biological samples. The using spiked zebrafish tissues and standard titanium dioxide (TiO2) cerium (CeO2) ENPs. Single-particle inductively coupled plasma mass spectrometry used quantify the separated particles in terms of number concentration. This demonstrated recoveries more than 90% did not strikingly alter median size. High were calculated for CeO2 ENPs (>84%). Particle poor...
Sphaerospora molnari is a myxozoan parasite causing skin and gill sphaerosporosis in common carp (Cyprinus carpio) central Europe. For most myxozoans, little known about the early development expansion of infection fish host, prior to spore formation. A major reason for this lack information absence laboratory model organisms, whose life-cycle stages are available throughout year.We have established proliferative based on separation intraperitoneal injection motile dividing S. isolated from...
Abstract The effects of the herbicide metazachlor and its major metabolite OA at two concentrations, including environmentally relevant concentrations (0.0115 µmol/l 0.0790 µmol/l) (0.0117 0.0805 µmol/l), respectively, were evaluated on early ontogeny, growth, behaviour, oxidative stress, antioxidant enzyme levels, histology, mortality marbled crayfish Procambarus virginalis . Both tested associated with significantly lower growth delayed ontogenetic development compared to controls....
Degradation products of herbicides, alone and in combination, may affect non-target aquatic organisms via leaching or runoff from the soil. The effects 50-day exposure primary metabolites chloroacetamide herbicide, acetochlor ESA (AE; 4 µg/L), glyphosate, aminomethylphosphonic acid (AMPA; their combination (AMPA + AE; µg/L) on mortality, growth, oxidative stress, antioxidant response, behaviour, gill histology early life stages marbled crayfish (Procambarus virginalis) were investigated....
This study aimed to assess the toxicity of anthelmintic drug praziquantel in early life stages grass carp (Ctenopharyngodon idella). The was evaluated based on mortality, ontogeny development, growth, oxidative stress biomarkers, antioxidant enzymes and histopathology. Praziquantel at all tested concentrations (1, 2, 4 6 mg/l) showed no significant adverse effects hatching carp. Concentrations mg/l caused significantly (P < 0.01) higher mortality slower growth compared with controls. (4 a...
Background Effects of acute and subchronic exposure fish to s‐triazine herbicides have been well documented, but data on the effects prometryn blood analytes in carp at environmentally realistic concentrations are lacking. Objective The objective study was determine whether biometrics, analytes, histopathology could serve as bioindicators living waters polluted by triazine. Methods Fish were exposed 0.51 (reported concentration Czech rivers), 8.0, 80 μg/L for 14, 30, 60 days. Prior during...
This study evaluated efficacy and toxicity of the pyrazinoisoquinoline anthelmintic praziquantel (PZQ) in barbel infected with metacercariae Diplostomum spathaceum adult Pomphorhynchus laevis, assessed antioxidant biomarkers lipid peroxidation response juvenile post-treatment. The estimated 96-hr LC50 PZQ was 28.6 mg/L. For evaluation efficacy, naturally D. were exposed to a 10 20 mg/L 4-day bath treatment. Both concentrations 100% effective against significantly (p < .01) affected activity...