Inhibition of two enzyme systems in<i>Euchlanis dilatata</i>(Rotifera: Monogononta) as biomarker of effect of metals and pesticides

Arias-Almeida, Juan Carlos; Rico‐Martínez, Roberto

doi:10.3109/1354750x.2010.520336

Cited by 8 publications

(4 citation statements)

References 25 publications

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“…In invertebrates, it generates oxidative stress and time-and dose-dependent deregulation of transcription. For example, it up-regulates the expression of antioxidant enzymes [4], metallothioneins (MTs) and heat shock proteins (HSPs) [5], whereas it downregulates the expression of digestive enzymes [6], esterases and phospholipase A2 [7]. Cadmium also interferes with immune responses [8,9], tissue organization and histology [10,11], and cell cycles by inducing apoptosis [12].…”

Section: Introductionmentioning

confidence: 99%

Cadmium effects on the retina of adult Danio rerio

Avallone

Crispino

Cerciello

et al. 2014

Comptes Rendus. Biologies

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The aim of this work is to describe the effects of cadmium pollution on the vision of adult zebrafish, Danio rerio. Retinal morpho-cytological alterations were investigated by light and electron microscopy, while the functionality of cadmium-exposed retinae was assessed by re-illumination behavioral tests with white or colored light. Our results demonstrate that cadmium toxicity causes significant degeneration and loss of organization at both macro and microscopic levels. These alterations impair functional responses particularly through an increase in light sensitivity. Metallothioneins were not seen to be up-regulated, while the recovery of visual acuity is due to a regenerative process by Mu ¨ller cells.

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Section: Introductionmentioning

confidence: 99%

Cadmium effects on the retina of adult Danio rerio

Avallone

Crispino

Cerciello

et al. 2014

Comptes Rendus. Biologies

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“…In the rotifer E. dilatata (FW), a native species from Mexico, the inhibition of esterases and phospholipase A2 was assessed fluorometrically after in vivo exposure (30 min) to sublethal concentra-tions of metals and pesticides in laboratory conditions. This study concluded that both enzymes are very sensitive to toxicants-induced alterations [96,97].…”

Section: Perspectives For Future Studies Regarding the Importance Of mentioning

confidence: 65%

“…In the case of methyl parathion, which shows higher acute toxicity, a range from 0.607 mg/L for Euchlanis dilatata to 29.19 mg/L for B. calyciflorus was found. Another organophosphorus of ecotoxicological relevance, chlorpyrifos, tends to affect significantly aquatic invertebrates due the LC50 values reported for B. koreanus (3.9 mg/L) and B. calyciflorus (11.85 mg/L) [96,134,136,137].…”

Section: Rotifer Sensitivitymentioning

confidence: 99%

Rotifers as Models in Toxicity Screening of Chemicals and Environmental Samples

Rico‐Martínez¹,

Arzate-Cárdenas²,

Robles-Vargas³

et al. 2016

Invertebrates - Experimental Models in Toxicity Screening

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An important objective of aquatic ecotoxicology is to determine the effects of toxic compounds in organisms that play a central role in aquatic communities where rotifers have a large impact on several important ecological processes. The contribution of the rotifers to secondary production in many aquatic communities is substantial as they are often the larger fraction of zooplankton biomass at certain times of the year. In addition to the importance of their ecological roles in aquatic communities, the rotifers are attractive organisms for ecotoxicological studies by its short life cycles and rapid reproduction, their small size, and little volumes needed for culture and toxicity assays. The main end points used in ecotoxicological studies are mortality, reproduction, behavior, and biomarkers. Such parameters are included in international regulations from all over the world, where different species are used to evaluate the effect of environmental samples or chemical compounds. The high diversity of rotifers is an important issue because it can modify their relative susceptibility to toxicants. Thus, more studies are needed to know the relations and mechanisms involved in clonal variation, sensitivity, and development, which can be all assessed by state-of-the-art procedures.

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“…Other new indicator organisms proposed for use in freshwater toxicity bioassays included Ceriodaphnia cornuta (Lopes et al, 2011), the rotifer Euchlanis dilatata (Arias-Almeida and Rico-Martinez, 2011a;, predatory aquatic beetles (Burghelea et al, 2011),…”

Section: Developmental Effects and Genotoxicity Inmentioning

confidence: 99%

Effects of Pollution on Freshwater Organisms

Harmon¹,

Wiley²

2012

Water Environment Research

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This review includes works published in the general scientific literature during 2011 on the effects of anthropogenic pollutants on freshwater organisms. It begins with a section on research reviews. This is followed by reviews of research categorized in sections to reflect the pollutant class. These sections include wastewater, textile industry pollution, stormwater and non-point source pollution, nutrients, botanical extracts, surfactants, metals, perchlorate, persistent organic pollutants, pharmaceuticals, endocrine disruptors, antimicrobials, pesticides, petroleum hydrocarbons and polycyclic aromatic hydrocarbons (PAHs), ionic liquids, and nanomaterials. The final section includes works describing innovations in the field of freshwater pollution research. Research Reviews Dahms et al. (2011) presented a review of the use of rotifers in ecotoxicological research over the last 15 years. These authors report that rotifers have served as important invertebrate aquatic model organisms for ecophysiology, ecotoxicology, and environmental genomics. Brix et al. (2011a) reviewed the literature on the toxicity of metals to aquatic insects in order to determine why laboratory studies indicate that aquatic insects are insensitive to metals, while field studies often indicate that aquatic insects are among the most sensitive aquatic invertebrates. The authors suggest that the vastly different results are due to the short-term nature of laboratory bioassays, as well as the fact that laboratory studies do not take into account effects upon primary productivity. The authors also point out that there have been no conclusive studies to evaluate whether dietary metal accumulation results in toxicity to aquatic insects. Schaller et al. (2011) reviewed the literature on the effects of metal and metalloid pollutants in freshwater ecosystems and how this is impacted by the decomposition of leaf litter. Francis (2011) provided a review on how modern warfare affects freshwater ecosystems. A review on natural Water Environment Research, Volume 84, Number 10-Copyright © 2012 Water Environment Federation Kiaune, L.; Singhasemanon, N. (2011) Pesticidal Copper (I) Oxide: Environmental Fate and Aquatic Toxicity, in: Whitacre, D. M. (Ed.), Reviews of Environmental Contamination and Toxicology, 213, 1-26. Kim, J.; Kim, S.; Lee, S. (2011a) Differentiation of the Toxicities of Silver Nanoparticles and Silver Ions to the Japanese Medaka (Oryzias latipes) and the Cladoceran Daphnia magna. Nanotoxicology, 5, 208-214. Kim, J. W.; Chang, K. H.; Isobe, T.; Tanabe, S. (2011b) Acute Toxicity of Benzotriazole Ultraviolet Stabilizers on Freshwater Crustacean (Daphnia pulex). J. Toxicol. Sci., 36, 247-251. Kim, S.; Ji, K.; Lee, S.; Lee, J.; Kim, J.; Kho, Y.; Choi, K. (2011c) Perfluorooctane Sulfonic Acid Exposure Increases Cadmium Toxicity in Early Life Stage of Zebrafish, Danio rerio. Environ. Toxicol. Chem., 30, 870-877. Konnecker, G.; Regelmann, J.; Belanger, S.; Gamon, K.; Sedlak, R. (2011) Environmental Properties and Aquatic Hazard Assessment of Ani...

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Inhibition of two enzyme systems inEuchlanis dilatata(Rotifera: Monogononta) as biomarker of effect of metals and pesticides

Cited by 8 publications

References 25 publications

Cadmium effects on the retina of adult Danio rerio

Cadmium effects on the retina of adult Danio rerio

Rotifers as Models in Toxicity Screening of Chemicals and Environmental Samples

Effects of Pollution on Freshwater Organisms

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