Hepatic Metal and Metallothionein Levels in a Potential Sentinel Teleost, Dulesauriga, from a Southeastern Brazilian Estuary

Hauser‐Davis, Rachel Ann; Silva-Junior, D. R.; Linde-Arias, Ana Rosa; Vianna, Marcelo

doi:10.1007/s00128-019-02654-6

Cited by 10 publications

(4 citation statements)

References 25 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…This is the case of two water bodies, the Mangue Channel and your main tributary, the Maracanã River. Both flow through the metropolitan area of Rio de Janeiro, Southeastern Brazil, and it flows into the bay Guanabara Bay, one of the most anthropogenically impacted estuaries in Brazil which display significant social, economic and tourist importance (ROSMAN, 2011;HAUSER-DAVIS et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Endocrine disruptors, estrogenic activity by the YES bioassay, and acute toxicity in Southeastern Brazil metropolitan surface waters

Nascimento¹,

Oliveira-Santos²,

Cunha³

et al. 2022

Geochim. Bras.

View full text Add to dashboard Cite

This study aimed to determine endocrine disruptors in urbanized rivers Maracanã and Mangue Channel in Rio de Janeiro the second most populated city in Brazil. Bisphenol A, 17β-estradiol, estriol, and 17α-ethinylestradiol were determined by high-performance liquid chromatography with a diode array detector and fluorescence detector In addition, the evaluation of estrogenic activity was performed by the YES bioassay (Yeast estrogen screen) with the Saccharomyces cerevisiae yeast, and acute toxicity assays were performed using Daphnia similis and Vibrio fischeri. Estrogenic activity in the water samples ranged from below the limit of detection (<LD) to 1.6 ng L-1, while bisphenol A ranged from 22.3 to 1325.2 ng L-1 and estrogens 17β-estradiol from <LD to 55.2 ng L-1, estriol from <LD to 313.7 ng L-1 and 17α-ethinylestradiol, from <LD to 409.4 ng L-1. The acute toxicity was not detected in both analyzed organisms. The present study indicates a serious level of pollution by the compounds evaluated with significant risks to the aquatic ecosystem, mainly for Guanabara Bay which receives urbanized river discharge. Therefore, recommending the need for systematic monitoring and mitigating actions in these water bodies.

show abstract

Section: Introductionmentioning

confidence: 99%

Endocrine disruptors, estrogenic activity by the YES bioassay, and acute toxicity in Southeastern Brazil metropolitan surface waters

Nascimento¹,

Oliveira-Santos²,

Cunha³

et al. 2022

Geochim. Bras.

View full text Add to dashboard Cite

show abstract

“…Ainda segundo da Silva et al (2014), em dois afl uentes da Baía de Guanabara, os rios Guaxindiba e Caceribu, o Mn pode representar riscos de contaminação especialmente à biota aquá� ca (Bap� sta Neto et al, 2006;Fonseca et al, 2013;Melo et al, 2015). Em organismos como mexilhões da costa brasileira foram detectados metais traço em mexilhões Perna (Ferreira et al, 2013), e em organismos como Dules Auriga foi observada a biodisponibilidade de metais (Hauser-Davis et al, 2019;Hauser--Davis et al, 2021).…”

Section: Resultsunclassified

Embarcações abandonadas na Baía de Guanabara e suas implicações ambientais

Nascimento

Santos

Freitas

et al. 2023

S&G

View full text Add to dashboard Cite

Embarcações em movimento, naufragadas, abandonadas e à deriva impactam drasticamente desde habitats costeiros aos recursos pesqueiros, turismo e recreação. Recentemente, o navio São Luís, estacionado na Baía de Guanabara, se chocou com a Ponte Rio-Niterói. Este acidente fez emergir a problemática relacionada à poluição marinha proveniente do tráfego hídrico. O objetivo deste estudo consiste em avaliar os riscos de acidentes e a contaminação ambiental oriundos das embarcações abandonadas neste estuário. A metodologia incluiu ampla compilação bibliográfica acerca dos estudos realizados neste importante corpo hídrico, tais como poluição por metais, desreguladores endócrinos, tintas, microplásticos, emissões, água de lastro, lixo, óleo e resíduos de cargas, entre outros. Os resultados apontam riscos significativos para a baía. Neste caso, legislações especificas são uma uma premissa, especialmente com desenvolvimento de estratégias práticas,monitoramento e planejamentos de gestão ambiental para este importante ecossistema. Palavras-chave: Poluição hídrica; Acidentes marítimos; Riscos ecológicos.

show abstract

“…In addition, no evaluations concerning basic MT-influencing factors, such as seasonality ( Petes, Menge & Harris, 2008 ; Hauser-Davis & Lavradas, 2018 ; Hauser-Davis et al, 2019 ), sexual maturity, ontogeny, reproductive state (pregnant, oocyte maturation) ( Hylland, Haux & Hogstrand, 1992 ), reproduction mode (i.e., oviparous, viviparous) or sexual differences were carried out. Moreover, the selected studies were carried out with both the southern and northern hemisphere species, from tropical and temperate areas, but no comparisons were made for this parameter.…”

Section: Discussionmentioning

confidence: 99%

The current knowledge gap on metallothionein mediated metal-detoxification in Elasmobranchs

Hauser‐Davis¹

2020

PeerJ

Self Cite

View full text Add to dashboard Cite

Elasmobranchs are particularly vulnerable to environmental contamination, especially pollutants that may bioaccumulate and biomagnify, throughout the trophic web, such as metals. However, Elasmobranch management and conservation plans are challenging, and this group is often neglected regarding ecotoxicological analyses, particularly concerning metal detoxification mechanisms. This article discusses metallothionein (MT) mediated metal detoxification in Elasmobranchs and reflects on the current knowledge gap in this regard.

show abstract

Hepatic Metal and Metallothionein Levels in a Potential Sentinel Teleost, Dulesauriga, from a Southeastern Brazilian Estuary

Cited by 10 publications

References 25 publications

Endocrine disruptors, estrogenic activity by the YES bioassay, and acute toxicity in Southeastern Brazil metropolitan surface waters

Endocrine disruptors, estrogenic activity by the YES bioassay, and acute toxicity in Southeastern Brazil metropolitan surface waters

Embarcações abandonadas na Baía de Guanabara e suas implicações ambientais

The current knowledge gap on metallothionein mediated metal-detoxification in Elasmobranchs

Contact Info

Product

Resources

About