Roundup® Herbicide Decreases Quality Parameters of Spermatozoa of Silversides Odontesthes Humensis

The silverside ( Odontesthes humensis ) is a very interesting model for toxicological studies due its high sensitivity and need for good water quality. The aim of this study was to evaluate the effects of Roundup on spermatozoa of O. humensis , after acute exposure. The fish were exposed to 0 and 7....

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Bibliographic Details
Published in:Bulletin of environmental contamination and toxicology 2019-01, Vol.102 (1), p.1-6
Main Authors: Silveira, Tony, Varela Junior, Antonio Sergio, Corcini, Carine Dahl, Domingues, William B., Remião, Mariana, Santos, Lucas, Barreto, Bruna, Lessa, Ingrid, Martins, Diego, Boyle, Robert T., Costa, Patrícia Gomes, Bianchini, Adalto, Robaldo, Ricardo B., Campos, Vinicius Farias
Format: Article
Language:English
Subjects:
Animals
Aquatic Pollution
Average velocity
Earth and Environmental Science
Ecotoxicology
Environment
Environmental Chemistry
Environmental Health
Exposure
Fertilization
Fish
Fishes - physiology
Fluidity
Glycine - analogs & derivatives
Glycine - toxicity
Glyphosate
Herbicides
Herbicides - toxicity
Lateral displacement
Linearity
Lipid peroxidation
Lipid Peroxidation - drug effects
Lipids
Male
Membrane fluidity
Mitochondria
Mitochondria - drug effects
Mitochondria - metabolism
Motility
Odontesthes humensis
Parameters
Peroxidation
Pollution
Reactive Oxygen Species - metabolism
Soil Science & Conservation
Sperm
Spermatozoa
Spermatozoa - drug effects
Spermatozoa - physiology
Toxicity testing
Velocity
Waste Water Technology
Water Management
Water Pollution Control
Water quality
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Summary:The silverside ( Odontesthes humensis ) is a very interesting model for toxicological studies due its high sensitivity and need for good water quality. The aim of this study was to evaluate the effects of Roundup on spermatozoa of O. humensis , after acute exposure. The fish were exposed to 0 and 7.8 mg L −1 (a.e.) of glyphosate, respectively. Through computer-assisted sperm analysis, a significant decrease in concentration, total and progressive motility, average path distance, straight line distance, path average velocity, curved line velocity, straight line velocity linearity, wobble, amplitude of lateral head displacement, cross beat frequency, and motility period of silverside spermatozoa exposed to Roundup was observed. Also, increase in membrane fluidity, ROS production and lipid peroxidation and a decrease in the mitochondrial functionality was observed in spermatozoa of Roundup exposed silversides. It was demonstrated that Roundup exposure in a concentration that can be achieve in natural water bodies soon after its application in fields is able to cause losses in several sperm quality parameters, consequently decreasing the fertilization potential of O. humensis spermatozoa.
ISSN:0007-4861
1432-0800
DOI:10.1007/s00128-018-2508-0