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Fish hosts, glochidia features and life cycle of the endemic freshwater pearl mussel Margaritifera dahurica from the Amur Basin

Margaritiferidae is a small freshwater bivalve family with 16 species. In spite of a small number of taxa and long-term history of research, several gaps in our knowledge on the freshwater pearl mussels still exist. Here we present the discovery of host fishes for Margaritifera dahurica, i.e. Lower...

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Autores principales: Vikhrev, Ilya V., Makhrov, Alexander A., Artamonova, Valentina S., Ermolenko, Alexey V., Gofarov, Mikhail Y., Kabakov, Mikhail B., Kondakov, Alexander V., Chukhchin, Dmitry G., Lyubas, Artem A., Bolotov, Ivan N.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6549177/
https://www.ncbi.nlm.nih.gov/pubmed/31165761
http://dx.doi.org/10.1038/s41598-019-44752-9
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author Vikhrev, Ilya V.
Makhrov, Alexander A.
Artamonova, Valentina S.
Ermolenko, Alexey V.
Gofarov, Mikhail Y.
Kabakov, Mikhail B.
Kondakov, Alexander V.
Chukhchin, Dmitry G.
Lyubas, Artem A.
Bolotov, Ivan N.
author_facet Vikhrev, Ilya V.
Makhrov, Alexander A.
Artamonova, Valentina S.
Ermolenko, Alexey V.
Gofarov, Mikhail Y.
Kabakov, Mikhail B.
Kondakov, Alexander V.
Chukhchin, Dmitry G.
Lyubas, Artem A.
Bolotov, Ivan N.
author_sort Vikhrev, Ilya V.
collection PubMed
description Margaritiferidae is a small freshwater bivalve family with 16 species. In spite of a small number of taxa and long-term history of research, several gaps in our knowledge on the freshwater pearl mussels still exist. Here we present the discovery of host fishes for Margaritifera dahurica, i.e. Lower Amur grayling, sharp-snouted lenok, and blunt-snouted lenok. The host fishes were studied in rivers of the Ussuri Basin. The identification of glochidia and fish hosts was confirmed by DNA analysis. The life cycle of M. dahurica and its glochidia are described for the first time. The SEM study of glochidia revealed that the rounded, unhooked Margaritifera dahurica larvae are similar to those of the other Margaritiferidae. Margaritifera dahurica is a tachytictic breeder, the larvae of which attach to fish gills during the Late August – September and finish the metamorphosis in June. Ancestral host reconstruction and a review of the salmonid - pearl mussel coevolution suggest that the ancestral host of the Margaritiferidae was a non-salmonid fish, while that of the genus Margaritifera most likely was an early salmonid species or their stem lineage. The overfishing of lenoks and graylings appears to be the most significant threat for this rare mussel species.
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spelling pubmed-65491772019-06-12 Fish hosts, glochidia features and life cycle of the endemic freshwater pearl mussel Margaritifera dahurica from the Amur Basin Vikhrev, Ilya V. Makhrov, Alexander A. Artamonova, Valentina S. Ermolenko, Alexey V. Gofarov, Mikhail Y. Kabakov, Mikhail B. Kondakov, Alexander V. Chukhchin, Dmitry G. Lyubas, Artem A. Bolotov, Ivan N. Sci Rep Article Margaritiferidae is a small freshwater bivalve family with 16 species. In spite of a small number of taxa and long-term history of research, several gaps in our knowledge on the freshwater pearl mussels still exist. Here we present the discovery of host fishes for Margaritifera dahurica, i.e. Lower Amur grayling, sharp-snouted lenok, and blunt-snouted lenok. The host fishes were studied in rivers of the Ussuri Basin. The identification of glochidia and fish hosts was confirmed by DNA analysis. The life cycle of M. dahurica and its glochidia are described for the first time. The SEM study of glochidia revealed that the rounded, unhooked Margaritifera dahurica larvae are similar to those of the other Margaritiferidae. Margaritifera dahurica is a tachytictic breeder, the larvae of which attach to fish gills during the Late August – September and finish the metamorphosis in June. Ancestral host reconstruction and a review of the salmonid - pearl mussel coevolution suggest that the ancestral host of the Margaritiferidae was a non-salmonid fish, while that of the genus Margaritifera most likely was an early salmonid species or their stem lineage. The overfishing of lenoks and graylings appears to be the most significant threat for this rare mussel species. Nature Publishing Group UK 2019-06-05 /pmc/articles/PMC6549177/ /pubmed/31165761 http://dx.doi.org/10.1038/s41598-019-44752-9 Text en © The Author(s) 2019 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Vikhrev, Ilya V.
Makhrov, Alexander A.
Artamonova, Valentina S.
Ermolenko, Alexey V.
Gofarov, Mikhail Y.
Kabakov, Mikhail B.
Kondakov, Alexander V.
Chukhchin, Dmitry G.
Lyubas, Artem A.
Bolotov, Ivan N.
Fish hosts, glochidia features and life cycle of the endemic freshwater pearl mussel Margaritifera dahurica from the Amur Basin
title Fish hosts, glochidia features and life cycle of the endemic freshwater pearl mussel Margaritifera dahurica from the Amur Basin
title_full Fish hosts, glochidia features and life cycle of the endemic freshwater pearl mussel Margaritifera dahurica from the Amur Basin
title_fullStr Fish hosts, glochidia features and life cycle of the endemic freshwater pearl mussel Margaritifera dahurica from the Amur Basin
title_full_unstemmed Fish hosts, glochidia features and life cycle of the endemic freshwater pearl mussel Margaritifera dahurica from the Amur Basin
title_short Fish hosts, glochidia features and life cycle of the endemic freshwater pearl mussel Margaritifera dahurica from the Amur Basin
title_sort fish hosts, glochidia features and life cycle of the endemic freshwater pearl mussel margaritifera dahurica from the amur basin
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6549177/
https://www.ncbi.nlm.nih.gov/pubmed/31165761
http://dx.doi.org/10.1038/s41598-019-44752-9
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