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Hepatic transcriptome, transcriptional effects and antioxidant responses in Poecilia vivipara exposed to sanitary sewage.
Mar Pollut Bull
June 2024
Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Department of Biochemistry, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil. Electronic address:
Aquatic environments are subject to threats from multiple human activities, particularly through the release of untreated sanitary sewage into the coastal environments. These effluents contain a large group of natural or synthetic compounds referred to as emerging contaminants. Monitoring the types and quantities of toxic substances in the environment, especially complex mixtures, is an exhausting and challenging task.
View Article and Find Full Text PDFGrassGro simulation of pasture, animal performance and greenhouse emissions on low and high sheep productivity grazing systems: 1-year validation and 25-year analysis.
Animal
March 2024
School of Environmental and Rural Science, University of New England, Trevenna Road, Armidale, New South Wales 2351, Australia; New Zealand Agricultural Greenhouse Gas Research Centre, Palmerston North 4442, New Zealand.
Globally, there is a focus on reducing the absolute methane (CH) and nitrous oxide emissions, and the emissions intensity (EI, kg COe/kg animal product) of livestock production. Increasing the productivity of mixed pasture systems has the potential to increase food (e.g.
View Article and Find Full Text PDFCylindrospermopsin exposure promotes redox unbalance and tissue damage in the liver of , a neotropical fish species.
J Toxicol Environ Health A
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Laboratory of Applied Animal Morphophysiology, Histology and Embryology Section, Institute of Biological Sciences and Health, Federal University of Alagoas, Maceió, AL, Brazil.
There is a growing concern regarding the adverse risks exposure to cylindrospermopsin (CYN) might exert on animals and humans. However, data regarding the toxicity of this cyanotoxin to neotropical fish species are scarce. Using the fish species , the influence of CYN concentrations equal to and above the tolerable for drinking water may produce on liver was determined by assessing biomarkers of antioxidant defense mechanisms and correlated to qualitative and semiquantitative histopathological observations.
View Article and Find Full Text PDFStructural and immunohistochemical characterization of pancreas of Molly fish (Poecilia sphenops), with a special reference to its immune role.
Microsc Res Tech
December 2023
Department of Cell and Tissues, Faculty of Veterinary Medicine, Assuit University, Assiut, Egypt.
Recently, teleost species have been considered important model systems for investigating different research areas including immunologic one. The available literature provides poor data about the localization and the structure of pancreas in Molly fish. Moreover, little attention has been paid to the immunologic role of pancreatic tissue of teleost, particularly Molly fish; therefore, this study aimed to highlights the description of pancreatic tissue in Molly fish using light- and electron- microscopy, focusing on the role of pancreatic immune cells and pancreatic acinar cells in immune responses.
View Article and Find Full Text PDFOvaries of guppies (Poecilia reticulata) investigated in pre-embryonic, embryonic and post-embryonic stages after exposure to maghemite nanoparticles (y-FeO) associated with Roundup® and glyphosate, followed by recovery period evaluation.
Environ Toxicol Pharmacol
June 2023
Laboratory of Cellular Behavior, Institute of Biological Sciences, Federal University of Goiás, Brazil. Electronic address:
Iron oxide nanoparticles (IONP) are promising alternatives to environmental remediation, so this study investigates IONP single and associated to contaminants, in this case, glyphosate (GLY) and Roundup® (GBH) in Poecilia reticulata (guppy). The guppies have internal development, therefore this study analyzed female gonads to establish the developmental stages of P. reticulata and evaluate effects of exposure (7, 14 and 21 days) and post-exposure (same period) to the treatments with Iron ions 0.
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