Band karyotypes and specific types of heterochromatins in several species of European percid fishes (Percidea,Pisces) |
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| Authors: | B Mayr M Kalat P Ráb M Lambrou |
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| Institution: | (1) Institute for Animal Breeding and Genetics, Veterinary University, A-1030 Vienna, Austria;(2) Ludwig Boltzmann Institute for Immuno- and Cytogenetic Research, Veterinary University, A-1030 Vienna, Austria;(3) Institute of Animal Physiology and Genetics, Department of Genetics, Czechoslovak Academy of Sciences, 277 21 Libechov, Czechoslovakia |
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| Abstract: | The chromosomes of the European Percidae (Lucioperca lucioperca L., Gymnocephalus cernuus L., Gymnocephalus schraetser L. and Perca fluviatilis L.) were analyzed by means of silver staining chromomycin A3/distamycin A/DAPI and DAPI/actinomycin D fluorescence banding techniques. The nucleolus organizer regions (NORs) were localized at the satellite stalks of chromosome no. 16 in Lucioperca lucioperca and Perca fluviatilis, and of chromosome no. 18 in both Gymnocephalus species. Bright chromomycin A3 fluorescence clusters were associated with them.Bright distamycin A-DAPI and DAPI/actinomycin D heterochromatic blocks were detected in Lucioperca lucioperca and the Gymnocephalus species. |
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