Výsledky vyhledávání - "José Manuel Leão"

Akademický článek

Toxicity Screening of a Gambierdiscus australes Strain from the Western Mediterranean Sea and Identification of a Novel Maitotoxin Analogue

Autor: Pablo Estevez, David Castro, José Manuel Leão-Martins, Manoëlla Sibat, Angels Tudó, Robert Dickey, Jorge Diogene, Philipp Hess, Ana Gago-Martinez

Publikováno v: Marine Drugs, Vol 19, Iss 8, p 460 (2021)

Dinoflagellate species of the genera Gambierdiscus and Fukuyoa are known to produce ciguatera poisoning-associated toxic compounds, such as ciguatoxins, or other toxins, such as maitotoxins. However, many species and strains remain poorly characteriz

Externí odkaz: https://doaj.org/article/bef84e8e2d5f461fbaa266fe3aed14e0

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Akademický článek

High Levels of Tetrodotoxin (TTX) in Trumpet Shell Charonia lampas from the Portuguese Coast

Autor: Pedro Reis Costa, Jorge Giráldez, Susana Margarida Rodrigues, José Manuel Leão, Estefanía Pinto, Lucía Soliño, Ana Gago-Martínez

Publikováno v: Toxins, Vol 13, Iss 4, p 250 (2021)

Tetrodotoxin (TTX) is a potent neurotoxin, considered an emerging toxin in Europe where recently a safety limit of 44 µg TTX kg−1 was recommended by authorities. In this study, three specimens of the large gastropod trumpet shell Charonia lampas b

Externí odkaz: https://doaj.org/article/d0f16dc2498048458d3ae42748deef2b

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Akademický článek

Use of Mass Spectrometry to Determine the Diversity of Toxins Produced by Gambierdiscus and Fukuyoa Species from Balearic Islands and Crete (Mediterranean Sea) and the Canary Islands (Northeast Atlantic)

Autor: Pablo Estevez, Manoëlla Sibat, José Manuel Leão-Martins, Angels Tudó, Maria Rambla-Alegre, Katerina Aligizaki, Jorge Diogène, Ana Gago-Martinez, Philipp Hess

Publikováno v: Toxins, Vol 12, Iss 5, p 305 (2020)

Over the last decade, knowledge has significantly increased on the taxonomic identity and distribution of dinoflagellates of the genera Gambierdiscus and Fukuyoa. Additionally, a number of hitherto unknown bioactive metabolites have been described, w

Externí odkaz: https://doaj.org/article/4677080b8ab544e19be5bfea7da8f601

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Akademický článek

Liquid Chromatography Coupled to High-Resolution Mass Spectrometry for the Confirmation of Caribbean Ciguatoxin-1 as the Main Toxin Responsible for Ciguatera Poisoning Caused by Fish from European Atlantic Coasts

Autor: Pablo Estevez, Manoella Sibat, José Manuel Leão-Martins, Pedro Reis Costa, Ana Gago-Martínez, Philipp Hess

Publikováno v: Toxins, Vol 12, Iss 4, p 267 (2020)

Ciguatera poisoning (CP) is a common seafood intoxication mainly caused by the consumption of fish contaminated by ciguatoxins. Recent studies showed that Caribbean ciguatoxin-1 (C-CTX1) is the main toxin causing CP through fish caught in the Northea

Externí odkaz: https://doaj.org/article/41a3d7d81c1e4b45acb05f69a2f3cc98

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Akademický článek

Evaluation of Malolactic Bacteria Associated with Wines from Albariño Variety as Potential Starters: Screening for Quality and Safety

Autor: Jacobo López-Seijas, Belén García-Fraga, Abigail F. da Silva, Xavier Zas-García, Lucía C. Lois, Ana Gago-Martínez, José Manuel Leão-Martins, Carmen Sieiro

Publikováno v: Foods, Vol 9, Iss 1, p 99 (2020)

The biodiversity of lactic acid bacteria in musts and wines of Albariño variety has been studied. The identification of species was addressed through a combination of biochemical and genetic methods (API® 50 CHL test, 16S rDNA and recA gene sequenc

Externí odkaz: https://doaj.org/article/57d8c5df8ddf40fbaa450f55965b2b36

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In silico simulations and functional cell studies evidence similar potency and distinct binding of pacific and caribbean ciguatoxins

Autor: Sandra Raposo-García, David Castro, Emilio Lence, Pablo Estévez, José Manuel Leão, Concepción González-Bello, Ana Gago-Martínez, M. Carmen Louzao, Carmen Vale, Luis M. Botana

Ciguatoxins (CTX) cause ciguatera poisoning, which is the most common reported human food poisoning related to natural marine toxins. Pacific ciguatoxins are the most abundant and studied CTX analogues; however, the growing distribution of Caribbean

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::93090c7bf67f22e739c89d14b15d6e2a
https://hdl.handle.net/10347/29970

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Toxicity screening of a Gambierdiscus australes strain from the Western Mediterranean sea and identification of a novel maitotoxin analogue

Autor: Philipp Hess, José Manuel Leão-Martins, Manoella Sibat, Ana Gago-Martínez, Jorge Diogène, Robert W. Dickey, Pablo Estevez, David Castro, Angels Tudó

Publikováno v: Marine Drugs
Volume 19
Issue 8
Marine Drugs, Vol 19, Iss 460, p 460 (2021)
IRTA Pubpro. Open Digital Archive
Institut de Recerca i Tecnologia Agroalimentàries (IRTA)
Investigo. Repositorio Institucional de la Universidade de Vigo
Universidade de Vigo (UVigo)
Marine Drugs (1660-3397) (MDPI AG), 2021-08, Vol. 19, N. 8, P. 460 (19p.)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::44e2dcdb5f2a57937ce64378dbd59f87
http://hdl.handle.net/11093/2560

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Uma atualização sobre ciguatoxinas e toxicidade semelhante ao CTX em peixes de diferentes níveis tróficos das Ilhas Selvagens (NE Atlantic, Madeira, Portugal)

Autor: José Manuel Leão-Martins, Viriato Timóteo, Ana Gago-Martínez, Pablo Estevez, Lucía Soliño, Carolina Santos, Pedro Reis Costa, Susana Margarida Rodrigues, Jorge Diogène, David Castro, Neide Gouveia

Publikováno v: Toxins, Vol 13, Iss 580, p 580 (2021)
IRTA Pubpro. Open Digital Archive
Institut de Recerca i Tecnologia Agroalimentàries (IRTA)
Investigo. Repositorio Institucional de la Universidade de Vigo
Universidade de Vigo (UVigo)
Toxins
Volume 13
Issue 8
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP

The Selvagens Islands, which are a marine protected area located at the southernmost point of the Portuguese maritime zone, have been associated with fish harboring ciguatoxins (CTX) and linked to ciguatera fish poisonings. This study reports the res

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::42e5663e78fce1a7fb93e71b624625d7
https://www.mdpi.com/2072-6651/13/8/580

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Characterisation of ciguatoxins

Autor: Manoella Sibat, Deborah Castro, Philipp Hess, Ana Gago-Martínez, C. Barrios, José Manuel Leão, Pablo Estevez

Publikováno v: EFSA Supporting Publications (23978325) (Wiley), 2021-05, Vol. 18, N. 5, P. EN-6649 (37p.)

The primary objective of this specific grant was to characterize the risk associated to Ciguatera Poisoning (CP) in the EU by developing a sensitive methodology of LC-MS/MS. The preparation of reference materials including the main ciguatoxins (CTXs)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7d1c336c4cee032578fd367b96d90360
https://archimer.ifremer.fr/doc/00696/80759/

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High levels of tetrodotoxin (TTX) in trumpet shell Charonia lampas from the Portuguese Coast

Autor: Susana Margarida Rodrigues, Estefanía Pereira Pinto, José Manuel Leão, Pedro Reis Costa, Lucía Soliño, Ana Gago-Martínez, Jorge Giráldez

Publikováno v: Investigo. Repositorio Institucional de la Universidade de Vigo
Universidade de Vigo (UVigo)
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Toxins
Volume 13
Issue 4
Toxins, Vol 13, Iss 250, p 250 (2021)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f8adb0895aa807bdede47eb572aeef3f
http://hdl.handle.net/11093/2094

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