Effects of a glyphosate-based herbicide on the development and biochemical biomarkers of the freshwater copepod Notodiaptomus carteri (Lowndes, 1934)

Fantón, Noelia Isabel; Bacchetta, Carla; Rossi, Andrea; Gutiérrez, María Florencia

doi:10.1016/j.ecoenv.2020.110501

Cited by 12 publications

(9 citation statements)

References 63 publications

(68 reference statements)

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“…This formulation was also able to reduce the growth rate of freshwater shrimps exposed for 40 days to concentrations ranging from 2.2 to 5.4 mg/L (36,37). Another glyphosate formulation inhibited the growth of the first copepodite stage, preventing copepods to reach the adult stage, these effects being observed at a glyphosate concentration of 0.81 mg/L (27,28). Some hormones belonging to the CHH-family of peptides, produced and secreted at the eyestalks, could be involved in oocyte reabsorption.…”

Section: Discussionmentioning

confidence: 92%

“…Besides, in spermatophores from the vasa deferentia of those N. granulata males, a significant decrease of the sperm count was observed by effect of Roundup Ultramax ® , while a significant incidence of abnormal spermatophores was observed either with technical glyphosate or Roundup treatment (27,28). Moreover, after incubating testes and vasa deferentia with Roundup Ultramax ® , with or without the presence of the androgenic gland, the increase in the number of spermatozoa/spermatophore produced by the co-incubation with this endocrine gland was completely reverted by the addition of Roundup [Figure 5 in (27,28), Figure 2C here].…”

Section: Effects On Male Crabsmentioning

confidence: 96%

“…(C) Sperm count in males; AG, androgenic gland. Reproduced from Canosa et al(27,28). In all cases, glyphosate concentrations are expressed as acid equivalents (a.e.…”

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confidence: 99%

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The Effect of Glyphosate on the Reproduction of Estuarine Crabs: Neohelice granulata as a Study Model

et al. 2021

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This review summarizes the bulk of evidence about the effect of glyphosate, both technical and formulated, on the ovarian maturation of Neohelice granulata female crabs, as well as the effects of glyphosate on sperm production in males of the same species. After long-term in vivo assays, made during the 3-month pre-reproductive period of this species, both formulated and technical glyphosate were able to produce a significant incidence of oocyte reabsorption in the ovary, together with a concomitant decreased of vitellogenin content, at concentrations ranging from 0.2 to 1 mg/L. Despite this, after 32-day in vivo assays, glyphosate stimulated oocyte growth, in terms of a higher percentage of vitellogenic oocytes, suggesting that glyphosate could be acting as an endocrine disruptor. In vitro assays made with isolated ovarian pieces showed a decrease of vitellogenin content, in correlation with lower protein synthesis, although some advance in maturation was observed in the histological analysis. In male crabs exposed in vivo to both technical and formulated glyphosate at 1 mg/L, several reproductive imbalances were noted, such as a significant decrease of the sperm count, abnormal spermatophores, and possible disrupting effects of glyphosate on the androgenic gland.

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Section: Discussionmentioning

confidence: 92%

Section: Effects On Male Crabsmentioning

confidence: 96%

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The Effect of Glyphosate on the Reproduction of Estuarine Crabs: Neohelice granulata as a Study Model

et al. 2021

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“…Although there is no evidence of resting egg production of eight diaptomids and three cyclopoid copepods which are recorded in the report of Plangklang and Athibai (2021) , some diaptomid copepods, Skistodiaptomus pallidus can produce resting eggs ( Dowell 1997 ). However, Fantón et al (2020) found that 0.38 mg/l of glyphosate causes an increase in the development times of freshwater copepod nauplii, Notodiaptomus carteri . Exposure to 0.81 mg/l glyphosate also interrupts the copepod development during the larva stage entering the adult stage by inhibiting the growth of the first copepodite stage.…”

Section: Discussionmentioning

confidence: 96%

Viability of zooplankton resting eggs in rice field sediment after pesticide applications

Plangklang¹,

Athibai²

2023

BDJ

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Many herbicide products are commonly used in agricultural areas to prevent and eliminate weeds. Contamination from these toxicants in water might affect aquatic organisms not only in the active stage, but also in the diapause stage. To test the effect of herbicide on the resting eggs of zooplankton, we prepared two rice fields: one field without the application of pesticides (RF−NPA) and one with the application of pesticides (RF−PA) in a sampling year. We conducted a hatching experiment for 30 days. Twenty–four taxa of zooplankton were found. Sixteen species of these were rotifers, seven species were cladocerans and one taxon was an unidentified nauplius copepod. The species richness of zooplankton between RF–NPA (17 taxa) and RF–PA (16 taxa) was close, but species compositions between RF–NPA and RF–PA were different, indicated by the similarity index of 0.545. Lecanidae was the most diverse family of rotifers in both rice fields with nine species, while Chydoridae was the most diverse family of cladocerans (four species). The total abundance of zooplankton of RF−NPA was higher than RF−PA with 1,897 and 1,286 individuals, respectively. The Shannon–Wiener diversity index (H´) and Pielou’s evenness (J) in RF−NPA were higher than in RF−PA. The high species richness of zooplankton in both rice fields occurred on days 18 to 30. On the other hand, the highest abundance was recorded on day 18 for RF−NPA and on day 24 for RF−PA. The non-metric multidimensional scaling (NMDS) demonstrated significant differences in zooplankton community composition between RF–NPA and RF–PA (p < 0.05; ANOSIM test). According to the diversity indices, the RF–NPA has more diversity than the RF–PA, which might be a result of herbicide application in the sampling year. This study suggests that the toxicity of glyphosate should be a concern in terms of the biodiversity of rice field ecosystems.

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“…Although the effects of glyphosate-based commercial formulations on various nontarget organisms is now being increasingly investigated in academic research (Mesnage et al, 2013;Mesnage et al, 2015;J. L. Pereira et al, 2018;Lopes et al, 2018;Fantón et al, 2020;Pochron et al, 2020;Ruuskanen et al, 2020;Tóth et al, 2020;Zhao et al, 2020), whether these effects are attributable to the active ingredient or co-formulants is seldom determined. This represents a major knowledge gap in our attempts to mitigate the risks posed to pollinators by herbicides.…”

Section: Introductionmentioning

confidence: 99%

Investigating the Effects of Glyphosate on the Bumblebee Proteome and Microbiota

et al. 2022

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Effects of a glyphosate-based herbicide on the development and biochemical biomarkers of the freshwater copepod Notodiaptomus carteri (Lowndes, 1934)

Cited by 12 publications

References 63 publications

The Effect of Glyphosate on the Reproduction of Estuarine Crabs: Neohelice granulata as a Study Model

The Effect of Glyphosate on the Reproduction of Estuarine Crabs: Neohelice granulata as a Study Model

Viability of zooplankton resting eggs in rice field sediment after pesticide applications

Investigating the Effects of Glyphosate on the Bumblebee Proteome and Microbiota

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