Sensitivity of the Sea Urchin Arbacia lixula (Echinodermata: Echinoidea) in Toxicity Tests

Máximo, M.V.; Resgalla-Jr, C.

doi:10.5132/jbse.2008.01.007

Cited by 11 publications

(8 citation statements)

References 6 publications

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“…Despite the low number of tests carried out on species of echinodermatas other than L. variegatus, the values obtained are within the range of variation and/or of the same order of magnitude observed by other authors who investigated the sensitivity of A. lixula LAITANO, 2002;MÁXIMO et al, 2008;RESGALLA et al, 2012), E. lucunter (RUMBOLD; SNEDAKER, 1997; RESGALLA JÚNIOR; LAITANO, 2002) and the sand dollar Mellita quinquiesperforata (LAITANO et al, 2008), which validate the results obtained in this work. On the basis of this, it was suggested that the different species tested have similar sensitivity, or order of sensitivity to the different metals tested, whether essential or non-essential.…”

Section: Discussionsupporting

confidence: 68%

“…This downward trend of differences in sensitivity in Echinodermata has already been highlighted by other studies in Brazil involving different test organisms (RESGALLA JÚNIOR; LAITANO, 2002;MÁXIMO et al, 2008;LAITANO et al, 2008). Associated with this, HIS et al (1999), in studies on tests with molluscs, also emphasize that species with distinct ecological and phylogenetic characteristics may respond similarly to some toxicants.…”

Section: Discussionmentioning

confidence: 69%

“…However, the choice of a reference substance or toxicant, among such essential metals as zinc, copper and chromium, which participate in multiple metabolic pathways, make it difficult to compare sensitivity between test organisms, even within a single taxonomic group (MÁXIMO et al, 2008). On the other hand, non-essential reference toxicants, such as SDS (Sodium Dodecyl Sulfate) detergent, cadmium and lead, may present more realistic effects, due to their lower selectivity in terms of harmful action on the biological systems (ABEL, 1989).…”

Section: Bjocementioning

confidence: 99%

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Echinodermata in ecotoxicological tests: maintenance and sensitivity

Soares

Resgalla

2016

Braz. j. oceanogr.

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Echinodermata in ecotoxicological tests: maintenance and sensitivityThis work investigates the sensitivity of four species of Echinodermata (Lytechinus variegatus, Echinometra lucunter, Arbacia lixula and Encope emarginata), evaluating the effect of five reference toxicants (Cd, Pb, Cr, Cu and SDS) on embryo-larval development, following the official protocols. It also evaluates techniques for the maintenance of L. variegatus in the laboratory, changes in its sensitivity, and the effects of chemical agents that induce the release of gametes, on the survival rates of the organisms. In terms of the maintenance of L. variegatus in the laboratory, the diet with vegetable content appears to be more favorable for maintenance and maturation in cultivation tanks. Chemical inducers such as KCl and the Anesthetic (lidocaine and epinephrine) resulted in high adult mortality rates, discouraging its re-induction. The tests performed with different species of sea urchin and sand dollar, using different reference toxicants, showed no variations in sensitivity to the more toxic chemicals, indicating that different species can be used for evaluation and environmental impact assessment.

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Section: Discussionsupporting

confidence: 68%

Section: Discussionmentioning

confidence: 69%

Section: Bjocementioning

confidence: 99%

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Echinodermata in ecotoxicological tests: maintenance and sensitivity

Soares

Resgalla

2016

Braz. j. oceanogr.

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“…Nitokra sp showed more sensitivity to potassium dichromate compared to freshwater fish such as Piracactus mesopotamicus (pacu); Hyphessobrycon eques (weed-thick) and Phalloceros. caudimaculttus (guarú) (Cruz et al, 2008), and less sensitivity than embryos of echinoids such as Mellita quinquesperforata, Arbacia lixula and Lytechinus variegatus, frequently used in aquatic tests in studies developed by Resgalla & Laitano (2002); Laitano et al (2008) and Maximo et al (2008), respectively (Table 4).…”

Section: Resultsmentioning

confidence: 99%

Acute Sensitivity to Nitokra sp Benthic Copepod to Potassium Dichromate and Ammonia Chloride

Sousa¹,

Zaroni²,

Filho³

et al. 2024

Ecotoxicol. Environ. Contam.

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The present study assesses acute toxicity of non-ionized ammonia and potassium dichromate using the estuarine benthic copepod Nitokra sp from laboratory cultures. Bioassays with non-ionized ammonia sensitivity were carried out, and the mean. Bioassays with non-ionized ammonia sensitivity were carried out, and the mean of LC(I) 50-96h was 1.7 mg.L-1 .-LC(I) 50-96h was 1.7 mg.L-1. Potassium dichromate was used as reference substance in two distinct periods of exposure and the mean LC(I) 50-48h and LC(I) 50-96h values were 55.61 mg.L-1 and 21.70 mg.L-1 , respectively. The organism showed sensitivity to the toxic agents used and good reproducibility of results, indispensable factors for use in ecotoxicological assays.

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“…This limitation is associated with the fact that the toxicity of this form of nitrogen could lead to false results when using very sensitive test organisms. Embryos and larvae of sea urchins have a high sensitivity to NH 3 in a concentration of 0.050 mg L -1 as a tolerance limit for the development of organisms (NBR/ABNT, 2020 and Máximo et al, 2008). Likewise, sperm used in sea urchin fertilization assays can be twice as resistant to unionized ammonia (LC 50 = 0.169 mg L -1 ) (Lee et al, 2013).…”

Section: Discussionmentioning

confidence: 99%

Acute toxicity assay using mysid as an alternative test organism in the assessment of the aqueous fraction of sediment

2021

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The evaluation of sediment quality through biological testing of the aqueous fraction can be applied in dredging situations and is associated with a small number of confounding factors. The use of test organisms that are relatively resistant to contaminants is recommended when working with complex mixtures such as sediments. In this study, the sensitivity of the mysid Mysidopsis juniae to total ammonia and metals was investigated in acute toxicity laboratory tests and the results were compared to those obtained in the traditional test with sea urchin embryos and larvae. The ability of the toxicity identi cation and evaluation (TIE) technique, with the use of EDTA and sodium thiosulfate, to indicate the factors responsible for adverse effects was determined. The results indicate that mysids are almost 5 times more resistant than the sea urchin to unionized ammonia, more sensitive to Cd 2+ and Ni 2+ and more resistant to Zn 2+ and Pb 2+ . With the TIE technique and with the use of EDTA as a complexing agent, a greater resolution was observed in the diagnosis of the presence of the metals Cd 2+ and Ni 2+ , which could be applied to the aqueous fraction of the sediment.

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Sensitivity of the Sea Urchin Arbacia lixula (Echinodermata: Echinoidea) in Toxicity Tests

Cited by 11 publications

References 6 publications

Echinodermata in ecotoxicological tests: maintenance and sensitivity

Echinodermata in ecotoxicological tests: maintenance and sensitivity

Acute Sensitivity to Nitokra sp Benthic Copepod to Potassium Dichromate and Ammonia Chloride

Acute toxicity assay using mysid as an alternative test organism in the assessment of the aqueous fraction of sediment

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