Divergent karyotypes of the annual killifish genus Nothobranchius (Cyprinodontiformes, Nothobranchiidae)

descriptionPublicationkeyboard_double_arrow_right Article 16 Sep 2016Publisher:Pensoft PublishersJournal:Comparative Cytogenetics, volume 10, pages 439-445 (issn: 1993-0771, eissn: 1993-078X,

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Authors: Krysanov, Eugene; Demidova, Tatiana; Nagy, Bela;

doi: 10.3897/compcytogen.v10i3.9863

pmid: 27830051

pmc: PMC5088354

Divergent karyotypes of the annual killifish genus Nothobranchius (Cyprinodontiformes, Nothobranchiidae)

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Abstract

Karyotypes of two species of the African annual killifish genus Nothobranchius Peters, 1868, Nothobranchius brieni Poll, 1938 and Nothobranchius sp. from Kasenga (D.R. Congo) are described. Both species displayed diploid chromosome number 2n = 49/50 for males and females respectively with multiple-sex chromosome system type X1X2Y/X1X1X2X2. The karyotypes of studied species are considerably different from those previously reported for the genus Nothobranchius and similar to the Actinopterygii conservative karyotype.

Related Organizations

Severtsov Institute of Ecology and Evolution
Russian Federation
Russian Academy of Sciences
Russian Federation

Keywords

Short Communication, chromosome number, QH426-470, karyotype, Africa, Nothobranchius, killifish, Genetics

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