Sea anemones, methylmercury, and bacterial infection: A closer look at multiple stressors.
Mar Pollut Bull
; 201: 116287, 2024 Apr.
Article
em En
| MEDLINE
| ID: mdl-38547612
ABSTRACT
Specimens of the Mediterranean sea anemone Anemonia viridis were exposed to methylmercury (MeHg) and bacterial infection to study their immune responses to a well-known toxic pollutant. Anemones were housed in laboratory conditions and divided into five experimental groups 1. control (no microinjection); 2. filtered seawater + buffer injection; 3. filtered seawater + Escherichia coli injection; 4. MeHg + buffer injection; 5. MeHg + E. coli injection. Data showed an increase in antioxidant enzyme production compared to the constitutive condition, while methylmercury inhibited lysozyme production. The buffer inoculation had no statistically significant effects on the animals. In addition, electrophoretic and protease analyses revealed differences in the type of proteins produced, as well as a modulation of proteases depending on the treatment. The study demonstrated the immunomodulatory effect of the organic pollutant on A. viridis, validating its use as a model organism for marine coastal biomonitoring programmes and multiple stress studies.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Contexto em Saúde:
2_ODS3
/
3_ND
Problema de saúde:
2_quimicos_contaminacion
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3_neglected_diseases
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3_zoonosis
Assunto principal:
Anêmonas-do-Mar
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Infecções Bacterianas
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Poluentes Ambientais
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Compostos de Metilmercúrio
Limite:
Animals
Idioma:
En
Revista:
Mar Pollut Bull
Ano de publicação:
2024
Tipo de documento:
Article