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Karyotype differentiation in Chromaphyosemion killfishes (Cyprinodontiformes, Nothobranchiidae). I: Chromosome banding patterns of C. alpha, C. kouamense and C. lugens

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985904%3A_____%2F05%3A00022958" target="_blank" >RIV/67985904:_____/05:00022958 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Karyotype differentiation in Chromaphyosemion killfishes (Cyprinodontiformes, Nothobranchiidae). I: Chromosome banding patterns of C. alpha, C. kouamense and C. lugens

  • Original language description

    The karyotypes of three recently described species of Chromaphyosemion, namely C. lugens, C. aplha and C. kouamense, were analysed using conventional Giemsa standing, C-banding and sequential banding. Diploid chromosome numbers ranged from 2n=36 in C. lugens to 2n=38 in C. alpha and C. kouamense. The karyotype of C. lugens consisted of one pair of metacentric (m) and 17 pairs of telocentric (t) chromosomes, that of C. alpha was composed one of pair of submetacentric (sm), six pair of subtelocenric (st)and 12 pairs of t chromosomes, and that of C. kouamense comprised five pairs of st and 14 pairs of t chromosomes. In addition to the differences in karyotype structures and/or chromosome numbers, the karyotypes of the examined species differed with respect to NOR phenotype and distribution and base composition of heterochromatin. No heteromorphic sex chromosomes were detected in any of the species.

  • Czech name

    Karyotypová evoluce ryb rodu Chromaphyosemion (Cyprinodontidae, Nothobranchiidae). I. Diferenciální barvení chromozómů u C. alpha, C. koumense a C. lugens

  • Czech description

    Podrobně byly popsány a cytogenetickými diferenčními barveními charakterizovány karyotypy a chromozómové charakteristiky tří nově popsaných druhů rodu Chromaphyosemion C. lugens, C. alpha a C. kouamense. Diploidní počty chromozómů se pohybovaly od 2n = 36 u C. lugens do 2n = 38 u C. alpha a C. kouamense. Karyotyp C. lugens sestává z 1 metacentrických (m) a 17 párů telocentrických (t) chromoz´mů, C. alpha z 1 páru submetacentrických (sm), 6 párů subtelocentrických (st) a 12 párů t chromosomů a u C. kouamense z 5 párů st a 14 párů t chromosomů. Všechny karyotypy se liší distribucí různých typů heteorchromatinů a NOR fenotypy. Heteromorfní sex chromosomy nebyly identifikovány. Všechny tyto údaje potvrzují druhovou odlišnost druhů identifikovaných pouze rozmnožovacím zbarvením samců.

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    EB - Genetics and molecular biology

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2005

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Genetica

  • ISSN

    0016-6707

  • e-ISSN

  • Volume of the periodical

    125

  • Issue of the periodical within the volume

    -

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    9

  • Pages from-to

    33-41

  • UT code for WoS article

  • EID of the result in the Scopus database