gonyaulax spinifera toxicity

12 . G. spinifera has been recently associated with YTX production in New Zealand. Cultures of Protoceratium reticulatum for which there are conflicting studies on toxicity are indicated with double asterisks (**) after the name. Harmful algal blooms of the Benguela eastern boundary upwelling system. Gonyaulax spinifera. 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. The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. The north-western coasts of the Adriatic sea have long been subjected to recurring cases of harmful algae blooms and concomitant mussel contamination. Gonyaulax definition, any marine dinoflagellate of the genus Gonyaulax, sometimes occurring in great numbers and causing red tide. Longitude. Species recognized by EOL Dynamic Hierarchy 1.1 and EOL Dynamic Hierarchy 1.1. It is native to Rio Grande do Norte, Santa Catarina, Pará, Rio de Janeiro, and Rio Grande do Sul. Dodge, and Gonyaulax spinifera Dodge. Find more information on the Altmetric Attention Score and how the score is calculated. 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). NMR spectroscopy, ion-trap mass spectrometry, and HRMS identified the new analogue as 24-hydroxyYTX (7). 0.000 ~ 150.000 m Record acquisition … 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. Occurrence records → [Map・Summary] Record acquisition range With latitude and longitude information: 100 % Latitude. 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. Humans may be Cultures of Lingulodinium polyedrum, Protoceratium reticulatum, and Gonyaulax spinifera in bold are toxic, and cultures of Lingulodinium polyedrum and Gonyaulax spinifera in italics are nontoxic. Gonyaulax spinifera, previously considered a non-YTX producer, was isolated from the seawater samples and production of YTX by the cells grown in culture was determined by identification of YTXs by ELISA. Gonyaulax, genus of dinoflagellate algae (family Gonyaulacaceae) that inhabit marine, fresh, or brackish water. It is a photoautotroph. redistribute this material, requesters must process their own requests via the RightsLink permission 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. Species Gonyaulax turbynei Murray & Whitting, 1899. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. The process of isolating cells and testing each isolate individually for YTX production during toxic blooms are labor intensive, and this impedes our ability to respond quickly to toxic … 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). Librarians & Account Managers, https://doi.org/10.1021/acs.jnatprod.9b00318. What Types of Algae Cause Blooms? The planktonic phototrophic dinoflagellate Gonyaulax whaseongensis sp. Gonyaulax polyedra; Gonyaulax spinifera; Gonyaulax apiculata; Gonyaulax polygramma Stein 1833; Gonyaulax fragilis (Schütt) Kofoid 1911; Gonyaulax ellegaardiae Mertens 2015 ; Gonyaulax is a genus of dinoflagellates with the type species Gonyaulax spinifera (Claparède et Lachmann) Diesing. These instances are called algal blooms. Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Photo credit: A Paquin. 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. 2 publications. 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, … Abstract. without permission from the American Chemical Society. You have to login with your ACS ID befor you can login with your Mendeley account. 1. Your Mendeley pairing has expired. Electronic Supporting Information files are available without a subscription to ACS Web Editions. 24-HydroxyYTX demonstrated reduced toxicity compared to YTX. Principal among these were YTX (1), homoYTX (2), and a tentative hydroxylated analogue that did not correspond to any previously confirmed YTX structures. not otherwise permitted to reproduce, republish, redistribute, or sell any Supporting Information The species Gonyaulax spinifera and Lingulodinium polye-drum, which may also produce YTX, have been identified in certain European and American countries (4,7-11). However, although the taxonomy of the species complex G. spinifera remains largely unresolved, this study allowed to unambiguously link the presence of G. spinifera to recurring mussel toxicity episodes. Structure Elucidation and Relative Toxicity of (24R)‑24-Hydroxyyessotoxin from a Namibian Isolate of Gonyaulax spinifera. system. By continuing you agree to the use of cookies. from the ACS website, either in whole or in part, in either machine-readable form or any other form Marine phytoplankton are microscopic, single celled plants that live in the ocean. http://pubs.acs.org/page/copyright/permissions.html, https://doi.org/10.1016/j.hal.2020.101898, https://doi.org/10.1016/B978-0-12-409547-2.14816-4. YTX production within and among dinoflagellate species tested to date is highly variable. Golden Algae . Users are Article Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. 124.163333 ~ 141.066667. Biol. In relation to Gonyaulax spinifera, homo-YTX seems to be the main toxin produced by this species. Principal among these were YTX (1), homoYTX (2), and a tentative hydroxylated analogue that did not correspond to any previously confirmed YTX structures. the Altmetric Attention Score and how the score is calculated. Toxicon 30: 1539 - 1544 Fornisce a ricercatori, amministratori e valutatori gli strumenti per monitorare i risultati della ricerca, aumentarne la visibilità e allocare in modo efficace le risorse disponibili. Photo courtesy of TPWD and G. Turner . Structure Elucidation and Relative Toxicity of (24 R )‑24-Hydroxyyessotoxin from a Namibian Isolate of Gonyaulax spinifera 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). Copyright © 2020 Elsevier B.V. or its licensors or contributors. Previous reports have identified both nontoxic and toxic isolates of L. polyedrumfrom Spain, the United Kingdom, and California (3, 18, 43, 47, 58). 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. ). Since then, farmed molluscs are yearly found to contain YTXs for long periods with a severe impact on aquaculture activities. CRIS Current Research Information System. Please note: If you switch to a different device, you may be asked to login again with only your ACS ID. 23.566667 ~ 41.066667. The Supporting Information is available free of charge on the ACS Publications website at DOI: 10.1021/acs.jnatprod.9b00318. Results indicate that the organism produced a substance (s) toxic to fishes and that the toxicity of the medium is increased if the dinoflagellate cytolyses. Recently, the cysts of Protoceratium reticulatum, Gonyaulax spinifera and Lingulodinium polyedrum have been identified in the silt of the Yellow Sea (12). Comparing similar sequences of G. spinifera strains contained in GenBank, divergences among the Adriatic strains and strains of different geographical origin emerged; on the contrary, a good similarity was evidenced (1.3%) between the Adriatic isolate sampled in 2006 and two New Zealand strains; the similarity was confirmed also by the presence in all strains of YTXs, although the New Zealand strains were analyzed by ELISA which could not distinguish among the different YTX analogues. Photo courtesy of T. Bennett . Yessotoxin (YTX) is a globally distributed marine toxin produced by some isolates of the dinoflagellate species Protoceratium reticulatum, Lingulodinium polyedrum, and Gonyaulax spinifera within the order Gonyaulacales. 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). Gonyaulax spinifera. Gonyaulax spinifera from the Adriatic sea: Toxin production and phylogenetic analysis. Mangin, 1922. This article is cited by Marine phytoplankton populations can undergo periods of explosive growth due to favorable environmental conditions. 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. Please reconnect, Authors & Introduction . In addition, several YTX- Laboratory experiments were conducted to determine the effects of in vitro cultures of the marine dinoflagellate, Gonyaulax monilata Howell, on fishes. ASAP Structure Elucidation and Relative Toxicity of (24 R )-24-Hydroxyyessotoxin from a Namibian Isolate of Gonyaulax spinifera Files available from the ACS website may be downloaded for personal use only. 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. IRIS è la soluzione IT che facilita la raccolta e la gestione dei dati relativi alle attività e ai prodotti della ricerca. Gonyaulax spinifera. Culturing the G. spinifera strain afforded sufficient biomass for … The American Chemical Society holds a copyright ownership interest in any copyrightable Supporting http://pubs.acs.org/page/copyright/permissions.html. Euglena . Recently, ELISA analyses on single cells indicated Gonyaulax spinifera (Claparède et Lachmann) Diesing 1866 from New Zealand as a YTX producer (Rhodes et al., 2006), thus correlating for the first time the occurrence of such microalga in seawater to mussel toxicity. Photo courtesy of TDWP . Find more information about Crossref citation counts. Diatoms . Structure elucidation and relative toxicity of (24R)-24-hydroxyyessotoxin from a Namibian isolate of Gonyaulax spinifera Gonyaulax spinifera is a species of dinoflagellates in the family Gonyaulacaceae. https://doi.org/10.1016/j.hal.2008.06.008. Gonyaulax spinifera from the Adriatic sea: Toxin production and phylogenetic analysis Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. * ) after the name purified 24-hydroxyYTX was quantitated by nmr, Rio. 24R ) ‑24-Hydroxyyessotoxin from a Namibian Isolate of gonyaulax spinifera from the Adriatic sea have long been subjected to cases! Red dinoflagellates and commonly causes red tides find more Information on the Attention! And cyst form native to Rio Grande do Norte, Santa Catarina Pará... 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