| Registro completo |
| Provedor de dados: |
ArchiMer
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| País: |
France
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| Título: |
Ostreopsis cf. ovata Bloom in Currais, Brazil: Phylogeny, Toxin Profile and Contamination of Mussels and Marine Plastic Litter
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| Autores: |
Tibiriçá, Carlos Eduardo J. A.
Leite, Isabel P.
Batista, Talita V. V.
Fernandes, Luciano F.
Chomérat, Nicolas
Herve, Fabienne
Hess, Philipp
Mafra, Luiz
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| Data: |
2019-08
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| Ano: |
2019
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| Palavras-chave: |
Harmful algal bloom
Benthic microalgae
Toxic dinoflagellates
Ovatoxin
Toxin transfer
Seafood safety
Marine pollution
Plastic litter
Biofilm formation
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| Resumo: |
Ostreopsis cf. ovata is a toxic marine benthic dinoflagellate responsible for harmful blooms affecting ecosystem and human health, mostly in the Mediterranean Sea. In this study we report the occurrence of a summer O. cf. ovata bloom in Currais, a coastal archipelago located on the subtropical Brazilian coast (~25° S). This bloom was very similar to Mediterranean episodes in many aspects: (a) field-sampled and cultivated O. cf. ovata cells aligned phylogenetically (ITS and LSU regions) along with Mediterranean strains; (b) the bloom occurred at increasing temperature and irradiance, and decreasing wind speed; (c) cell densities reached up to 8.0 × 104 cell cm−2 on fiberglass screen and 5.6 × 105 cell g−1 fresh weight on seaweeds; (d) and toxin profiles were composed mostly of ovatoxin-a (58%) and ovatoxin-b (32%), up to 35.5 pg PLTX-eq. cell−1 in total. Mussels were contaminated during the bloom with unsafe toxin levels (up to 131 µg PLTX-eq. kg−1). Ostreopsis cells attached to different plastic litter, indicating an alternate route for toxin transfer to marine fauna via ingestion of biofilm-coated plastic debris
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| Tipo: |
Text
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| Idioma: |
Inglês
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| Identificador: |
https://archimer.ifremer.fr/doc/00509/62037/66177.pdf
DOI:10.3390/toxins11080446
https://archimer.ifremer.fr/doc/00509/62037/
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| Editor: |
MDPI AG
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| Formato: |
application/pdf
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| Fonte: |
Toxins (2072-6651) (MDPI AG), 2019-08 , Vol. 11 , N. 8 , P. 446 (22p.)
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| Direitos: |
info:eu-repo/semantics/openAccess
restricted use
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