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  • First indication of Japanese mitten crabs in Europe and cryptic genetic diversity of invasive Chinese mitten crabs.

    Author(s) : Hayer, S.Brandis, D.Hartl, G. B.Ewers-Saucedo, C.

    Author Affiliation : Zoological Museum of the Christian-Albrechts University, Hegewischstrasse 3, 24105 Kiel, Germany.

    Author Email : ewers-saucedo@zoolmuseum.uni-kiel.de

    Journal article : NeoBiota 2019 No.50 pp.1-29 ref.many

    Abstract : The Chinese mitten crab (Eriocheir sinensiseriocheir sinensisSubject Category: Organism Names
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    ) is a prominent aquatic invader with substantial negative economic and environmental impacts. The aim of the present study was to re-evaluate the genetic diversitygenetic diversitySubject Category: Properties
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    of mitten crabscrabsSubject Category: Organism Names
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    throughout their native and invaded ranges based on publicly available sequence data, and assess if multiple introductions or rapid adaptation could be responsible for biologically divergent mitten crabs in Northern EuropeeuropeSubject Category: Geographic Entities
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    . We assembled available genetic data of a fragment of the mitochondrial cytochrome ccytochrome cSubject Category: Chemicals and Chemical Groups
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    oxidase subunit one gene (COI) for all species of the genus Eriocheir. We applied phylogenetic and population genetic analyses to compare native and invasive populations, and to identify possible source populations. The phylogenetic reconstruction revealed that five COI sequences from Europe, morphologically identified as Chinese mitten crab, actually belong to the Japanese mitten crab (Eriocheir japonicaeriocheir japonicaSubject Category: Organism Names
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    ), representing the first indication of its presence in European waters. All other COI sequences from Europe could unambiguously be assigned to the Chinese mitten crab. In some Northern German populations of Chinese mitten crabs, genetic diversity was surprisingly high, due to seven unique haplotypeshaplotypesSubject Category: Miscellaneous
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    encoding several amino acid substitutions. This diversity may reflect a cryptic introduction from an unsampled native location, or rapid adaptation in the invaded range. Based on the genetic diversity shared between native and introduced range, Feiyunjiang, a tributary of the Yangtze Riveryangtze riverSubject Category: Topographic Features
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    , emerges as a plausible source population for the original introduction of Chinese mitten crabs to Europe. This study highlights the complex and dynamic invasion processes of mitten crabs in Europe. We urge to further monitor mitten crab invasions using genetic tools.

    ISSN : 1619-0033

    DOI : 10.3897/neobiota.50.34881

    Record Number : 20203347905

    Publisher : Pensoft Publishers

    Location of publication : Sofia

    Country of publication : Bulgaria

    Language of text : English

    Indexing terms for this abstract:

    Organism descriptor(s) : Eriocheir sinensiseriocheir sinensisSubject Category: Organism Names
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    , Eriocheir japonicaeriocheir japonicaSubject Category: Organism Names
    see more details
    , crabscrabsSubject Category: Organism Names
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    Descriptor(s) : genetic diversitygenetic diversitySubject Category: Properties
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    , aquatic organismsaquatic organismsSubject Category: Organism Groups
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    , cytochrome-c oxidasecytochrome-c oxidaseSubject Category: Chemicals and Chemical Groups
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    , cytochrome ccytochrome cSubject Category: Chemicals and Chemical Groups
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    , haplotypeshaplotypesSubject Category: Miscellaneous
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    , oxidoreductasesoxidoreductasesSubject Category: Chemicals and Chemical Groups
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    , phylogeneticsphylogeneticsSubject Category: Disciplines, Occupations and Industries
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    , population geneticspopulation geneticsSubject Category: Miscellaneous
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    , riversriversSubject Category: Habitats
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    , shellfishshellfishSubject Category: Organism Groups
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    , Yangtze Riveryangtze riverSubject Category: Topographic Features
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    , aquatic animalsaquatic animalsSubject Category: Organism Groups
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    , aquatic invertebratesaquatic invertebratesSubject Category: Organism Groups
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    Identifier(s) : Chinese mitten crab, aquatic species, People's Republic of China, cytochrome oxidase, redox enzymes

    Geographical Location(s) : EuropeeuropeSubject Category: Geographic Entities
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    , ChinachinaSubject Category: Geographic Entities
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    Broader term(s) : EriocheireriocheirSubject Category: Organism Names
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    , VarunidaevarunidaeSubject Category: Organism Names
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    , DecapodadecapodaSubject Category: Organism Names
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    , MalacostracamalacostracaSubject Category: Organism Names
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    , CrustaceacrustaceaSubject Category: Organism Names
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    , arthropodsarthropodsSubject Category: Organism Names
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    , invertebratesinvertebratesSubject Category: Organism Names
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    , animalsanimalsSubject Category: Organism Names
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    , eukaryoteseukaryotesSubject Category: Organism Names
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    , APEC countriesapec countriesSubject Category: Institutions and Organisations
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    , Developing Countriesdeveloping countriesSubject Category: Miscellaneous
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    , East Asiaeast asiaSubject Category: Geographic Entities
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    , AsiaasiaSubject Category: Geographic Entities
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