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  • 1
    Book
    Book
    Toxic and harmful microalgae of the world ocean : = Micro-algues toxiques et nuisibles de l'océan mondial (2016)
    Copenhagen N, Denmark : International Society for the Study of Harmful Algae | Paris : United Nations Educational, Scientific and Cultural Organisation
    Details Availability
    Keywords: Toxic marine algae ; Microalgae
    Type of Medium: Book
    Pages: 523 Seiten , Illustrationen, Diagramme, Karten , 25 cm
    ISBN: 8799082764 , 9788799082766
    Series Statement: Manuals and guides / IOC 68
    Language: English , French
    Note: Literaturverzeichnis: Seiten 440-518 , Bilingual English/French
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  • 2
    Book
    Book
    Marine benthic dinoflagellates : their relevance for science and society (2023)
    [Frankfurt am Main] : Senckenberg Gesellschaft für Naturforschung | Stuttgart : E. Schweizerbart'sche Verlagsbuchhandlung
    Details Availability
    Keywords: Eukaryoten ; Protozoen ; Dinoflagellaten ; Benthos ; Meeresboden ; Biodiversität
    Description / Table of Contents: Dinoflagellates are important primary producers, symbionts and, at the same time, heterotrophic consumers and parasites. The species composition in benthic habitats is quite distinct from planktonic habitats. Our understanding of benthic dinoflagellate biodiversity, biogeography, toxicology and ecology has improved but is still rudimentary. Benthic harmful algal blooms have attracted increasing interest because of the impact of ciguatera poisoning, the most important food-borne disease of non-bacterial origin worldwide, which is caused by benthic dinoflagellate species. Ciguaterapoisoning appears to have increased worldwide in recent years. This publication is an updated summary of the taxonomy of currently described taxa and includes morphological and molecular genetic information for species identification. It contains the most comprehensive review of benthic dinoflagellate toxins published so far. The book also describes methods of study, discusses phylogenetics and evolution, and highlights their scientific relevance as well as the health and economic impacts of benthic dinoflagellates for society. This book is a fundamental contribution to improving the monitoring of benthic dinoflagellates worldwide: 242 species in 63 genera are presented, illustrated with more than 240 color images, about 250 electron micrographs and more than 330 drawings.
    Type of Medium: Book
    Pages: 376 Seiten , Illustrationen, Diagramme , 25 cm x 17 cm, 1160 g
    Edition: 2nd revised edition
    ISBN: 9783510614240
    Series Statement: Senckenberg-Buch 88
    URL: http://deposit.dnb.de/cgi-bin/dokserv?id=49074203b2b14233820f347626b27a69&prov=M&dok_var=1&dok_ext=htm
    URL: https://www.gbv.de/dms/tib-ub-hannover/1858952638.pdf
    DDC: 590
    RVK:
    WL 2515
    Language: English
    Note: 1. Auflage 2014 ist in der Kleine Senckenberg-Reihe Band 14 erschienen
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  • 3
    Online Resource
    Online Resource
    Marine benthic dinoflagellates - unveiling their worldwide biodiversity. (2020)
    Stuttgart :Schweizerbart Textbooks,
    Details
    Keywords: Dinoflagellates. ; Dinoflagellates-Toxicology. ; Dinoflagellates-Geographical distribution. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (278 pages)
    Edition: 1st ed.
    ISBN: 9783510655069
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=6492551
    DDC: 579.87
    Language: English
    Note: Cover -- Title -- Copyright -- Contents -- Greetings -- Foreword -- Contents -- Acknowledgements -- I. Introduction -- II. 'Materials & -- Methods' -- Habitats -- Sampling -- Extraction = separation from the substrate -- Fixation and Electron Microscopy (EM) -- Culturing -- Quantification -- III. Taxonomy -- Adenoides -- Alexandrium -- Amphidiniella -- Amphidiniopsis -- Amphidinium -- Ankistrodinium -- Apicoporus -- Biecheleria -- Bispinodinium -- Bysmatrum -- Cabra -- Coolia -- Dinothrix -- Durinskia -- Galeidinium -- Gambierdiscus -- Glenodinium -- Gymnodinium -- Gyrodinium -- Halostylodinium -- Herdmania -- Heterocapsa -- Katodinium -- Moestrupia -- Ostreopsis -- 'Peridinium' partim = new genus -- Pileidinium -- Plagiodinium -- Planodinium -- Polykrikos -- Prorocentrum -- Pseudothecadinium -- Pyramidodinium -- Rhinodinium -- Roscoffia -- Sabulodinium -- Scrippsiella -- Sinophysis -- Spiniferodinium -- Stylodinium -- Symbiodinium spp -- Testudodinium -- Thecadinium -- Togula -- Vulcanodinium -- IV. Phylogeny and systematics -- Phylogeny of the morphological adaptations -- Amphidinium -- Amphidiniopsis, Archaeperidinium, Herdmania - Peridiniales -- Cabra, Rhinodinium, Roscoffia - Podolampadaceae -- Coolia, Gambierdiscus, Ostreopsis - Gonyaulacales -- Prorocentrum & -- Adenoides -- Sinophysis & -- Sabulodinium -- 'Dinotoms' - Dinothrix, Durinskia, Galeidinium, 'Gymnodinium' quadrilobatum, 'Peridinium' quinquecorne -- Dinoflagellate taxa with cryptophyte-(klepto)chloroplasts -- The phytodinialean dinoflagellates ('Phytodiniales') -- V. Biogeography -- VI. Ecology -- Attachment -- Life cycles -- Tide pools -- Vertical migration -- Blooms -- Spatial distribution -- Temporal distribution -- Quantitative Data -- VII. Toxins of benthic dinoflagellates and benthic harmful algal blooms -- Introduction -- Gambierdiscus -- Ostreopsis -- Coolia. , Prorocentrum -- Amphidinium -- Alexandrium -- Vulcanodinium -- References -- Taxonomic index -- Useful web pages -- Picture credits -- Authors' Addresses.
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  • 4
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    Taxonomy and toxicity of Prorocentrum from Perhentian Islands (Malaysia), with a description of a non-toxigenic species Prorocentrum malayense sp. nov. (Dinophyceae) (2019)
    ELSEVIER SCIENCE BV
    In:  EPIC3Harmful Algae, ELSEVIER SCIENCE BV, 83, pp. 95-108, ISSN: 1568-9883
    Details
    Publication Date: 2020-03-01
    Description: Thirteen isolates of Prorocentrum species were established from the coral reefs of Perhentian Islands Marine Park, Malaysia and underwent morphological observations and molecular characterization. Six species were found: P. caipirignum, P. concavum, P. cf. emarginatum, P. lima, P. mexicanum and a new morphotype, herein designated as P. malayense sp. nov. Prorocentrum malayense, a species closely related to P. leve, P. cf. foraminosum, P. sp. aff. foraminossum, and P. concavum (Clade A sensu Chomérat et al. 2018), is distinguished from its congeners as having larger thecal pore size and a more deeply excavated V-shaped periflagellar area. Platelet arrangement in the periflagellar area of P. malayense is unique, with the presence of platelet 1a and 1b, platelet 2 being the most anterior platelet, and a broad calabash-shaped platelet 3. The species exhibits consistent genetic sequence divergences for the nuclear-encoded large subunit ribosomal RNA gene (LSU rDNA) and the second internal transcribed spacer (ITS2). The phylogenetic inferences further confirmed that it represents an independent lineage, closely related to species in Clade A sensu Chomérat et al. Pairwise comparison of ITS2 transcripts with its closest relatives revealed the presence of compensatory base changes (CBCs). Toxicity analysis showed detectable levels of okadaic acid in P. lima (1.0–1.6 pg cell˗1) and P. caipirignum (3.1 pg cell˗1); this is the first report of toxigenic P. caipirignum in the Southeast Asian region. Other Prorocentrum species tested, including the new species, however, were below the detection limit.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 5
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    Adding new pieces to the Azadinium (Dinophyceae) diversity and biogeography puzzle: Non-toxigenic Azadinium zhuanum sp. nov. from China, toxigenic A. poporum from the Mediterranean, and a non-toxigenic A. dalianense from the French Atlantic (2017)
    ELSEVIER SCIENCE BV
    In:  EPIC3Harmful Algae, ELSEVIER SCIENCE BV, 66, pp. 65-78, ISSN: 1568-9883
    Details
    Publication Date: 2019-07-17
    Description: The marine planktonic dinophyceaen genus Azadinium is a primary source of azaspiracids, but due to their small size its diversity may be underestimated and information on its biogeography is still limited. A new Azadinium species, A. zhuanum was obtained from the East China Sea and Yellow Sea of China by incubating surface sediments. Five strains were established by isolating single germinated cells and their morphology was examined with light microscopy and scanning electron microscopy. Azadinium zhuanum was characterized by a plate pattern of Po, cp, X, 4′, 2a, 6′′, 6C, 5S, 6′′′, 2′′′′, by a distinct ventral pore at the junction of Po, the first and fourth apical plates, and a conspicuous antapical spine. Moreover, Azadinium poporum was obtained for the first time from the Mediterranean by incubating surface sediment collected from Diana Lagoon (Corsica) and a new strain of Azadinium dalianense was isolated from the French Atlantic. The morphology of both strains was examined. Small subunit ribosomal DNA (SSU rDNA), large subunit ribosomal DNA (LSU rDNA) and internal transcribed spacer (ITS) sequences were obtained from cultured strains. In addition, LSU sequences were obtained by single cell sequencing of two presumable A. poporum cells collected from the French Atlantic. Molecular phylogeny based on concatenated SSU, LSU and ITS sequences revealed that A. zhuanum was closest to A. polongum. French A. poporum from Corsica (Mediterranean) and from the Atlantic showed some genetic differences but were nested within one of the A. poporum ribotypes together with other European strains. Azadinium dalianense from France together with the type strain of the species from China comprised a well resolved clade now consisting of two ribotypes. Azaspiracid profiles were analyzed for the cultured Azadinium strains using LC–MS/MS and demonstrate that the Mediterranean A. poporum strain produced AZA-2 and AZA-2 phosphate with an amount of 0.44 fg cell−1. Azadinium zhuanum and A. dalianense did not produce detectable AZA. Results of the present study support the view of a high diversity and wide distribution of species belonging to Azadinium. The first record of AZA-2 producing A. poporum from the Mediterranean suggests that this species may be responsible for azaspiracid contaminations in shellfish from the Mediterranean Sea.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 6
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    Morphological and phylogenetic data do not support the split of Alexandrium into four genera (2020)
    ELSEVIER SCIENCE BV
    In:  EPIC3Harmful Algae, ELSEVIER SCIENCE BV, 98, pp. 101902, ISSN: 1568-9883
    Details
    Publication Date: 2023-03-13
    Description: A recently published study analyzed the phylogenetic relationship between the genera Centrodinium and Alexandrium, confirming an earlier publication showing the genus Alexandrium as paraphyletic. This most recent manuscript retained the genus Alexandrium, introduced a new genus Episemicolon, resurrected two genera, Gessnerium and Protogonyaulax, and stated that: “The polyphyly [sic] of Alexandrium is solved with the split into four genera”. However, these reintroduced taxa were not based on monophyletic groups. Therefore this work, if accepted, would result in replacing a single paraphyletic taxon with several non-monophyletic ones. The morphological data presented for genus characterization also do not convincingly support taxa delimitations. The combination of weak molecular phylogenetics and the lack of diagnostic traits (i.e., autapomorphies) render the applicability of the concept of limited use. The proposal to split the genus Alexandrium on the basis of our current knowledge is rejected herein. The aim here is not to present an alternative analysis and revision, but to maintain Alexandrium. A better constructed and more phylogenetically accurate revision can and should wait until more complete evidence becomes available and there is a strong reason to revise the genus Alexandrium. The reasons are explained in detail by a review of the available molecular and morphological data for species of the genera Alexandrium and Centrodinium. In addition, cyst morphology and chemotaxonomy are discussed, and the need for integrative taxonomy is highlighted.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Format: application/pdf
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