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Difference in interphase nucleus organization within the genusXiphophorus (Pisces, Poeciliidae)

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  • Anatomica, Histologica, Carcinologica
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Zusammenfassung

Bei mehrerenXiphophorus-Spezies wurden Artunterschiede in der Organisation von Interphase-Kernen festgestellt. Die Kerne lebender Zellen in der Gewebekultur erscheinen im Phasen- bzw. Interferenzkontrast homogen beiX. variatus, X. xiphidium, X. maculatus sowieX. montezumae ssp.cortezi. Dagegen weisen sie beiX. helleri eine grössere Zahl stark kontrastierender Körper auf. Nach Anfärbung sind die Nuclei der erstgenannten Spezies wiederum weitgehend homogen oder fein granuliert, während die vonX. helleri Chromozentren in hoher Zahl (manchmal bis nahe 48 = 2n) zeigen. Hinsichtlich der Deutlichkeit dieser Struktur bestehen innerhalb der ArtX. helleri unterschiede zwischen Populationen.

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Literatur

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Authors and Affiliations

  1. Genetisches Institut der Justus Liebig-Universität, 63 Giessen, Germany

    W. Lueken & Christa Knoll

Authors
  1. W. Lueken
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  2. Christa Knoll
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Additional information

We are greatly indebted to Prof. Dr.F. Anders for kind and constant interest in our work and helpful critizism, and to MissKäte Klinke for providing us with fish specimens. We thank Mr.R. Bender very much for going through the manuscript. The work is supported by Deutsche Forschungsgemeinschaft and by Stiftung Volkswagenwerk.

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Lueken, W., Knoll, C. Difference in interphase nucleus organization within the genusXiphophorus (Pisces, Poeciliidae). Experientia 24, 595–596 (1968). https://doi.org/10.1007/BF02153795

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  • DOI: https://doi.org/10.1007/BF02153795

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