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Free Content Cytogenetic and Morphological Characterization of Corbicula fluminalis (O. F. Müller, 1774) (Bivalvia: Veneroida: Corbiculidae): Taxonomic Status Assessment of a Freshwater Clam

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Chromosomes of Corbicula fluminalis were characterized by karyotype analysis and nucleolar organizer region (NORs) localization. The triploid chromosome number was confirmed as 54; the karyotype is composed of 3 metacentric, 15 submetacentric and 36 subtelo-acrocentic chromosomes. Silver staining revealed nucleolar organizers on the telomeric regions of three subtelo-acrocentic chromosomes. This is the first study on chromosomes of C. fluminalis. The results are discussed with regards to Corbicula species as well as its relationships to other mollusc species based on cytogenetic characters and morphometric of the shells.

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Keywords: AGNOR; CHROMOSOMES; COOLING WATER; CORBICULA FLUMINALIS; INVASIVE SPECIES; KARYOTYPE; TRIPLOID

Document Type: Research Article

Publication date: 01 June 2009

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  • Folia biologica is an international quarterly journal that publishes papers on the broad field of experimental zoology, nuclear and chromosome research, and also ultrastructural studies. All papers are subject to peer reviews. Indexed in: ISI Master Journal List, Current Contents, Polish Scientific Journals Contents. I.F. 0.667
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