2014
DOI: 10.1590/s1679-62252014000100017
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Integrated biomarker response index using a Neotropical fish to assess the water quality in agricultural areas

Abstract: Aquatic ecosystems in areas with intense agricultural activity are subject to pesticide contamination, which may compromise the health of the fish. In order to verify the quality of the water and the possible effects of pesticides on fish, a method that combines different biomarker responses into an index named "integrated biomarker response" (IBR) was applied using the biological alterations in the Neotropical fish Astyanax altiparanae. Fish were maintained in situ at five sites along a stream that runs in an… Show more

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Cited by 52 publications
(18 citation statements)
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References 63 publications
(61 reference statements)
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“…Sedeño-Diaz and Lopez-Lopez (2012) found enhanced CAT activity with elevated levels of pollutants, principally hydrocarbons and pesticides. The enhanced CAT activity in the presence of herbicides and pesticides was also verified in a study with the freshwater fish Channa puncatatus (Nwani et al, 2010) and with the neotropical fish Astyanax altiparanae used to asses water quality in an agriculture area (Vieira et al, 2014). In the present work, CAT was significantly lower at FP as compared to the RM and IP.…”
Section: Resultssupporting
confidence: 81%
“…Sedeño-Diaz and Lopez-Lopez (2012) found enhanced CAT activity with elevated levels of pollutants, principally hydrocarbons and pesticides. The enhanced CAT activity in the presence of herbicides and pesticides was also verified in a study with the freshwater fish Channa puncatatus (Nwani et al, 2010) and with the neotropical fish Astyanax altiparanae used to asses water quality in an agriculture area (Vieira et al, 2014). In the present work, CAT was significantly lower at FP as compared to the RM and IP.…”
Section: Resultssupporting
confidence: 81%
“…These responses of AChE were similar to the response of EROD activity, but showed higher sensitivity than the EROD activity in both water-column species and benthic species. The physiological response of AChE is generally increased primarily by neurotoxins [66][67][68][69][70][71]. Our measured AChE activity showed significantly greater response in the I z .…”
Section: Detection Of Physiological Activities Based On Acetylcholinementioning
confidence: 52%
“…Considering these aspects, we evaluated the possible synergy and potential toxicity of different polar metabolites produced by two species of cyanobacteria that were previously classified as microcystin-producer and non-producer on the larva development of A. altiparanae , one of the most common fish species in tropical Brazilian water bodies [48,49] Astyanax altiparanae is a non-migratory omnivorous fish native from Brazil and the Astyanax genus has an abundance of species distributed throughout the Neotropical region [49,50]. This species is an excellent candidate to be used as model for ecotoxicological studies [49,50,51,52,53]. Thus, we chose this species to verify its sensitivity to cyanotoxins, secondary and primary metabolites.…”
Section: Discussionmentioning
confidence: 99%