Seasonal effect on biomarker responses in sentinel species: innovation in mangrove conservation status assessment

被引：0

作者：

Caroline Araújo de Souza

Luis Felipe de Almeida Duarte

Flávia Pinheiro Zanotto

Priscila Ortega

Renata Guimarães Moreira

Marcelo Antonio Amaro Pinheiro

机构：

[1] Lote Especial II,IFPA – Instituto Federal de Educação, Ciência e Tecnologia, Campus Marabá Industrial, Folha 22, Quadra Especial

[2] Campus do Litoral Paulista (CLP),UNESP – Universidade Estadual Paulista, Instituto de Biociências (IB)

[3] Departamento de Ciências Biológicas e Ambientais (DCBA),Instituto de Biociências, Departamento de Fisiologia

[4] Laboratório de Biologia da Conservação de Crustáceos e Ambientes Costeiros/Grupo de Pesquisa em Biologia de Crustáceos (CRUSTA),undefined

[5] Universidade de São Paulo,undefined

[6] Rua Do Matão,undefined

来源：

Environmental Monitoring and Assessment | 2022年 / 194卷

关键词：

Bioindicator; Lipoperoxidation; Metallothionein; Micronucleus; Seasonality; Neutral red;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

We evaluated the environmental quality in mangrove areas of the Western Atlantic with different levels and history of contamination, considering biomarkers for the crab Ucides cordatus. For this purpose, specimens were collected in two climatic seasons (rainy and dry seasons) and assays of genotoxicity (MN, micronucleus), cytotoxicity (NRRT, neutral red retention time) and biochemical (MT, metallothionein; and LPO, lipoperoxidation) were conducted. In the most impacted mangroves, there was an increase in the mean of micronucleus (frequency of MN/1000), which was associated with a shorter retention time (minutes of NRRT). In contrast, the most pristine areas showed MN < 3 and NRRT < 100 min, with no seasonal effect, indicating a lower effect of degenerative processes by xenobiotics. The rainy season was more harmful, especially regarding cytogenotoxicity. The use of bioindicator species for environmental monitoring should be guided by an analysis of biomarkers considering the season, because during the period of highest rainfall, biomarkers values can change.

引用

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