ArticleEcotoxicology (London, England)2019
Impact, recovery and carryover effect of Roundup® on predator recognition in common spiny loach, Lepidocephalichthys thermalis.
Article in Ecotoxicology (London, England), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 17 citations in OpenAlex.
- Acute exposition to Roundup Transorb® induces systemic oxidative stress and alterations in the expression of newly sequenced genes in silverside fish (Odontesthes humensis).Environmental science and pollution research international · 2021Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
Abstract
Understanding the negative impact of a variety of environmental contaminants on aquatic animals is essential to curb biodiversity loss and stop degradation of ecological functions. Excessive and unrestricted use of pesticides is the most serious threat to aquatic animals including amphibians and fishes. Among the known pesticides, glyphosate based formulations have been shown to have lethal effects on many aquatic organisms. However, negative effects of pesticides on crucial ecological interactions such as prey-predator interactions are relatively unknown from tropics. In many aquatic organisms, recognition of predators is based on odor signatures; and therefore any anthropogenic alteration in water chemistry has the potential to impair recognition and learning of predators. Through a series of behavioral experiments we evaluated the effect of glyphosate based herbicide (Roundup®) on the antipredator behavior of common spiny loach, Lepidocephalichthys thermalis to understand the effects of pesticide-exposure on recognition of conspecific alarm cues, and associative learning to avoid predation. We exposed common spiny loach (for 3 h or 15 days) to sub-lethal concentration (0.5 mg a.e./L) of Roundup® and subsequently with conspecific alarm cues, signaling the proximity of a predator. Unexposed prey fish showed a significant reduction in activity level in response to conspecific alarm cues. Whereas such alarm response was not observed in prey fish that were exposed to Roundup® either for 3 h or 15 days. Such lack of response could be associated with alteration of olfactory function in prey individuals. However, this inability to detect the conspecific alarm cues was found to be transient and exposed fish recovered within 2 days. In subsequent experiments, we showed that Roundup® deactivates the conspecific alarm cues thus making them unavailable for prey to evoke the response. Furthermore, Roundup® mediated degradation of conspecific alarm cues and diminished the associative learning necessary for detection of the invasive/unknown/novel predators. Overall, due to the worldwide occurrence of glyphosate in water bodies, glyphosate mediated behavioral suppression exposes the prey animals to a considerable risk of predation, both by native and non-native predators.
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