Article Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. Marine phytoplankton are microscopic, single celled plants that live in the ocean. Information. It is native to Rio Grande do Norte, Santa Catarina, Pará, Rio de Janeiro, and Rio Grande do Sul. Several planktonic species are toxic and are sometimes abundant enough to colour water and cause the phenomenon called red tide, which may kill fish and other animals. Determination of the toxin content of natural samples (mussels and net haul plankton samples) as well as monitoring of the dinoflagellate species present in seawaters allowed us to correlate the presence of G. spinifera to that of homoYTX in mussels. ( ) and G. spinifera isolate A and B from Marlborough Sounds, New Zealand (Accession numbers: DQ151557 and DQ151558 ) by Rhodes et al. Your Mendeley pairing has expired. Gonyaulax spinifera. Get article recommendations from ACS based on references in your Mendeley library. All types of algae can cause harmful algal blooms under the right conditions. NMR spectroscopy, ion-trap mass spectrometry, and HRMS identified the new analogue as 24-hydroxyYTX (7). 20 per page; 50 per page; 100 per page; Search Results. In 2004, unusually high amounts of homoYTXs were detected in mussels. Photo courtesy of T. Bennett . In autumn 2002, parasitic dinoflagellates of the genus Amoebophrya Koeppen infected populations of the bloom‐forming thecate dinoflagellates Alexandrium affine (Inoue and Fukuyo) Balech and Gonyaulax spinifera (Claparede and Lachmann) Diesing in coastal waters of Korea. Librarians & Account Managers, https://doi.org/10.1021/acs.jnatprod.9b00318. Photo courtesy of TPWD and G. Turner . http://pubs.acs.org/page/copyright/permissions.html. Diatoms . Recently, the cysts of Protoceratium reticulatum, Gonyaulax spinifera and Lingulodinium polyedrum have been identified in the silt of the Yellow Sea (12). Cultures of Protoceratium reticulatum for which there are conflicting studies on toxicity are indicated with double asterisks (**) after the name. Two G. spinifera isolates, sampled in different years, were analyzed and resulted to be different in both toxin content and gene sequence: the isolate sampled in 2005 produced only low levels of YTX (5.4 pg cell−1) while that sampled in 2006 contained higher toxin amounts, namely 33.4 pg cell−1 of homoYTX and 3.6 pg cell−1 of YTX; the two isolates also differed in 111 and 176 nucleotide positions, respectively, in the SSU and partial LSU rDNA genes. Reference taxon from NCBI Taxonomy. Files available from the ACS website may be downloaded for personal use only. Gonyaulax belongs to red dinoflagellates and commonly causes red tides. Biotoxin Metrology, National Research Council Canada, 1411 Oxford Street, Halifax, Nova Scotia B3H 3Z1, Canada, Aquatic and Crop Resource Development, National Research Council Canada, 1411 Oxford Street, Halifax, Nova Scotia B3H 3Z1, Canada, Structure Elucidation and Relative Toxicity of (24. Please reconnect, Authors & Silva. Gonyaulax, genus of dinoflagellate algae (family Gonyaulacaceae) that inhabit marine, fresh, or brackish water. Since then, farmed molluscs are yearly found to contain YTXs for long periods with a severe impact on aquaculture activities. Photo credit: A Paquin. 1. CRIS Current Research Information System. Copyright © 2020 Elsevier B.V. or its licensors or contributors. Photo courtesy of N. Clercin . Biol. Gonyaulax 57; Prorocentrum 18; toxicity 17; Alexandrium 14; algal blooms 14; more Subject » Search 57 Search Results « Previous | 1 - 20 of 57 | Next » Select all Unselect all Sort by relevance relevance; newest; oldest; title; Number of results to display per page. Culturing the G. spinifera strain afforded sufficient biomass for … Humans may be The American Chemical Society holds a copyright ownership interest in any copyrightable Supporting Users are nov It is notable that the 28S rDNA sequences from the strains called G. spinifera GSA0602 from the Adriatic Sea (Accession number: EU805591 ) by Riccardi et al. These metrics are regularly updated to reflect usage leading up to the last few days. Euglena . not otherwise permitted to reproduce, republish, redistribute, or sell any Supporting Information In this period, a careful look at the phytoplankton composition highlighted that P. reticulatum and L. polyedrum were nearly absent in seawater whereas the dinoflagellate Gonyaulax spinifera was present at high densities. 124.163333 ~ 141.066667. Gonyaulax spinifera from the Adriatic sea: Toxin production and phylogenetic analysis Gonyaulax spinifera from the Adriatic sea: Toxin production and phylogenetic analysis. Structure Elucidation and Relative Toxicity of (24R)‑24-Hydroxyyessotoxin from a Namibian Isolate of Gonyaulax spinifera. In relation to Gonyaulax spinifera, homo-YTX seems to be the main toxin produced by this species. The planktonic phototrophic dinoflagellate Gonyaulax whaseongensis sp. This article is cited by Electronic Supporting Information files are available without a subscription to ACS Web Editions. YTX production within and among dinoflagellate species tested to date is highly variable. Mangin, 1922. system. In 1995, yessotoxins (YTXs) were detected for the first time in Adriatic mussels and their presence was subsequently linked to the presence of Protoceratium reticulatum and occasionally Lingulodinium polyedrum in seawater. 95: 217 - 220 Oshima Y, Bolch CJ, and Hallegraeff GM (1992) Toxin composition of resting cysts of Alexandrium tamarense (Dinophyceae). from the ACS website, either in whole or in part, in either machine-readable form or any other form Harmful algal blooms of the Benguela eastern boundary upwelling system. Depth. Due to an originally confusing description of the species and to the availability of very low number of deposited sequences the doubt arises whether the studied G. spinifera strains belong to the same species. Occurrence records → [Map・Summary] Record acquisition range With latitude and longitude information: 100 % Latitude. Liquid chromatography–high-resolution mass spectrometry (LC-HRMS) analysis of a Namibian strain of Gonyaulax spinifera showed the presence of a number of yessotoxins (YTXs). Santos, Artur M.S. In addition, several YTX- Culturing the G. spinifera strain afforded sufficient biomass for purification of the new analogue through a series of solvent partitioning and chromatographic steps, yielding ∼0.9 mg as a solid. Photo courtesy of TDWP . Occurrence records. & Account Managers, For Structure elucidation and relative toxicity of (24R)-24-hydroxyyessotoxin from a Namibian isolate of Gonyaulax spinifera This is a unicellular dinoflagellate that is one of the species that create red tides when their numbers become very high during an algal bloom. 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