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Title

UniEuk: time to speak a common language in protistology

AuthorsBerney, Cedric; Siano, Raffaele; Montresor, Marina; Berdalet, Elisa ; Guillou, Laure; Campo, Javier del ; Quast, C.; Yilmaz, Pelin; Vargas, Colomban de
Issue Date21-Oct-2018
PublisherInternational Society for the Study of Harmful Algae
CitationThe 18th International Conference on Harmful Algae : From ecosystems to socio-ecosystems : Abstract book: 254 (2018)
AbstractUniversal taxonomic frameworks have been critical tools to structure the fields of botany, zoology, and bacteriology, as well as their large research communities. Animals and plants have relatively solid, stable morpho-taxonomies built over the last three centuries, while bacteria have been classified for three decades under coherent molecular taxonomic frameworks. By contrast, no such common language exists yet for microbial eukaryotes / protists, even though environmental `omics´ surveys suggest that they make up most of the genetic complexity of our planet¿s ecosystems. With the current deluge of eukaryotic molecular data, we urgently need a universal eukaryotic taxonomy bridging the `protist-omics´ age to the fragile, centuries-old body of classical knowledge linking protist taxa to morphological, physiological, and ecological information. UniEuk (www.unieuk.org) is an open, community-based and expert-driven international initiative to build a flexible, adaptive universal taxonomic framework for eukaryotes, focused primarily on protists. The UniEuk system comprises 3 complementary modules allowing direct community input: - EukRef, a standardized, open-source bioinformatics pipeline that allows taxonomic curation of publicly available phylogenetic marker sequences (starting with 18S rDNA), generating homogeneous sets of curated, aligned sequences and phylogenetic trees. - EukBank, a public repository of high-throughput metabarcoding datasets (starting with the V4 region of 18S rDNA) that allows monitoring of total eukaryotic diversity (e.g. saturation, phylogeny) across biomes, and identification of ecologically relevant new lineages. - EukMap, a user-friendly representation of the taxonomic framework in the form of a publicly navigable tree, fully editable by registered users, where each node/taxon is associated with standardized features (name, contextual data, links to pictures and literature, etc.). As a whole, the UniEuk system represents a community hub to centralize, safeguard and promote our current global knowledge on eukaryotic diversity and evolution, integrating expert knowledge on morphology and ecology with key molecular information from phylogenetic markers and environmental metabarcoding surveys. The resulting taxonomy, which will include toxic microalgae, will be implemented into the European Nucleotide Archive at EMBL-EBI and propagated to NCBI, and useable as a stand-alone resource for scientific, educational, or public outreach purposes. In this communication, we will present the project in more detail, and explain how members of the HAB community can get involved, including a EukRef workshop focusing on dinoflagellates (5-9 Nov 2018, Roscoff, France). Overall, UniEuk will contribute to advances on key taxonomic challenges crucial to ascertain the biogeographic distribution, range of expansion, ecology and links with toxin production of relevant harmful species
DescriptionThe 18th International Conference on Harmful Algae (ICHA), From ecosystems to socio-ecosystems, 21-26 October 2018, Nantes, France.-- Networking activities around HABs: GlobalHAB, Global HAB Status report, ICES-WGs and other initiatives.-- 1 page
Publisher version (URL)https://www.icha2018.com/abstracts/abstract-book/73
URIhttp://hdl.handle.net/10261/185456
Appears in Collections:(ICM) Comunicaciones congresos
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