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Phylogeography of the Chydorus sphaericus Group (Cladocera: Chydoridae) in the Northern Palearctic

Kotov, Alexey A ; Karabanov, Dmitry P ; Bekker, Eugeniya I ; Neretina, Tatiana V ; Taylor, Derek J Knapp, Michael

PloS one, 2016-12, Vol.11 (12), p.e0168711 [Periódico revisado por pares]

United States: Public Library of Science

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Phylogeography of the Chydorus sphaericus Group (Cladocera: Chydoridae) in the Northern Palearctic
Autor: Kotov, Alexey A ; Karabanov, Dmitry P ; Bekker, Eugeniya I ; Neretina, Tatiana V ; Taylor, Derek J
Knapp, Michael
Assuntos: Analysis ; Animals ; Anomopoda ; Aquatic ecology ; Arctic Regions ; Arthropod Proteins - genetics ; Biodiversity ; Biogeography ; Biological diversity ; Biology ; Biology and Life Sciences ; Boundaries ; Branchiopoda ; Chydoridae ; Chydorus ; Chydorus sphaericus ; Cladocera ; Cladocera - genetics ; Climatic cycles ; Crustacea ; Crustaceans ; Daphnia ; Deoxyribonucleic acid ; DNA ; Earth Sciences ; Ecology and Environmental Sciences ; Evolution ; Evolution, Molecular ; Food chains ; Food webs ; Freshwater invertebrates ; Genetic aspects ; Genetic research ; Invertebrates ; Laboratories ; Mitochondria ; Mitochondrial Proteins - genetics ; Northern Hemisphere ; Oscillations ; Phylogeny ; Phylogeography ; Pleistocene ; Refugia ; Research and Analysis Methods ; River basins ; Rivers ; Species diversity ; Stratigraphy ; Taxonomy ; Water fleas
É parte de: PloS one, 2016-12, Vol.11 (12), p.e0168711
Notas: Conceptualization: AAK DPK EIB DJT.Data curation: AAK DPK.Formal analysis: DPK DJT.Funding acquisition: AAK DPK EIB.Investigation: DPK EIB TVN.Methodology: DPK DJT TVN.Project administration: AAK.Resources: TVN.Supervision: AAK.Validation: DJT.Visualization: AAK DPK DJT.Writing – original draft: AAK DJT.Writing – review & editing: AAK DJT.
Competing Interests: The authors have declared that no competing interests exist.
Descrição: The biodiversity and the biogeography are still poorly understood for freshwater invertebrates. The crustacean Chydorus sphaericus-brevilabris complex (Cladocera: Chydoridae) is composed of species that are important components of Holarctic freshwater food webs. Recent morphological and genetic study of the complex has indicated a substantial species diversity in the northern hemisphere. However, we know little of the geographic boundaries of these novel lineages. Moreover, a large section of the Palearctic remains unexamined at the genetic level. Here we attempt to address the biodiversity knowledge gap for the Chydorus sphaericus group in the central Palearctic and assess its diversity and biogeographic boundaries. We sequenced nuclear (ITS-2) and mitochondrial (COI) gene regions of Chydorus specimens across the Palearctic and compared them with already available Holarctic sequences. We detected six main clades in the C. sphaericus group in the Palearctic, of which two of the groups are novel. Three of the more divergent clades are geographically widespread. The central portion of Eurasia (the Yenisey River basin) appears to be a narrow zone of secondary contact for phylogroups that expanded from European and Beringian refugia. As such, the previously unsampled central Palearctic represents an important region for understanding the evolutionary consequences of Pleistocene climatic oscillations on the Chydorus sphaericus group.
Editor: United States: Public Library of Science
Idioma: Inglês

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Phylogeography of the Chydorus sphaericus Group (Cladocera: Chydoridae) in the Northern Palearctic

Kotov, Alexey A ; Karabanov, Dmitry P ; Bekker, Eugeniya I ; Neretina, Tatiana V ; Taylor, Derek J Knapp, Michael

United States: Public Library of Science

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