Cited by 35Environmental Toxicology and EcotoxicologyToxic Organic Pollutants ImpactCarcinogens and Genotoxicity Assessment

Biomarkers of PAHs exposure in crabs Ucides cordatus: Laboratory assay and field study

Nudi, Adriana H., Wagener, Angela de L.R., Francioni, Eleine, Sette, Carla B., Sartori, André V., Scofield, Arthur de L.·2010·Environmental Research

Abstract

Pyrene metabolites in urine and micronucleus in haemocytes of crabs (Ucides cordatus) were tested as biomarkers of exposure to oil derived PAHs in mangrove sediments. The goal was to verify how well pyrene metabolites in urine represent levels of oil contamination in mangroves and whether the micronuclei assay indicates exposure. For this, bioassays were performed using crabs from clean and contaminated areas, and field studies were conducted in four mangroves. Results of the bioassay show that U. cordatus assimilates, metabolises, and excretes pyrene in urine as pyrene-1-glucoside, pyrene-sulphate and pyrene-conjugate. OH-pyrene-sulphate was the major metabolite produced/excreted over 120 h of observation by crabs from the clean mangrove. The production/excretion of pyrene-1-glucoside in this case increased linearly with time at a rate of 2.3 x 10(-10)mol L(-1)day(-1). The number of micronuclei in haemocytes also increased with the time after pyrene inoculation, indicating that exposure to pyrene triggers genotoxic and mutagenic response. In crabs from a heavily oil-contaminated mangrove pyrene-1-glucoside was the major metabolite, an indication that production/excretion of a certain metabolite varies depending on adaptation of the animal to the environment. A highly significant correlation was found between the concentration of pyrene metabolites in urine of field crabs expressed as OH-pyrene equivalents and the sum of 38 PAHs determined in hepatopancreas/sediments (r=0.825, n=23, p<0.05). The response of these crabs to the micronuclei assay was not significantly related to concentration of individual or total PAHs. Nevertheless, metabolite results prove U. cordatus as excellent bioindicator for evaluating environmental quality in mangrove areas as related to PAHs and oil contamination.

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Crossref · 10.1016/j.envres.2009.10.014

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Authors
Nudi, A. H., Wagener, A. D. L. R., Francioni, E., Sette, C. B., Sartori, A. V., & Scofield, A. D. L.
Affiliations
  • Pontifícia Universidade Católica do Rio de Janeiro (BR)
  • Escola Nacional de Saúde Pública Sergio Arouca (BR)
Venue
Environmental Research
Publisher
Elsevier BV
Published
2010-02
Volume
110
Issue
2
Pages
137-145
ISSN
0013-9351 (ISSN-L)
OpenAlex
W1985578720
Cited by
35
References
32
Citations by year
2026: 3 · 2025: 4 · 2024: 5 · 2023: 2 · 2022: 3 · 2021: 4 · 2020: 2 · 2019: 1 · 2018: 1 · 2017: 1 · 2016: 2 · 2015: 1 · 2013: 3 · 2012: 2
FWCI
1.46
Type
journal article
Language
en
Open access
closed
Locations
  • Environmental Research (publishedVersion)
  • PubMed (publishedVersion)
Funders
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Topics
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Environmental Toxicology and Ecotoxicology
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Toxic Organic Pollutants Impact
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Carcinogens and Genotoxicity Assessment
Keywords
polycyclic aromatic hydrocarbons, pyrene, Ucides cordatus, genotoxicity, oil pollution, mangrove sediments, bioindicators
MeSH terms
Animals, Brazil, Brachyura, Glucuronates, Male, Microscopy, Fluorescence, Polycyclic Aromatic Hydrocarbons, Pyrenes, Water Pollutants, Chemical, Micronucleus Tests, Biomarkers, Statistics, Nonparametric, Geologic Sediments, Avicennia, Ecotoxicology

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