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Identification by R-banding and FISH of chromosome arms involved in Robertsonian translocations in several deer species

Abstract : We constructed and analyzed the RBG-banded karyotype of ¢ve deer species: Chital (Axis axis), White-lipped deer (Cervus albirostris), Rusa deer (Cervus timorensis russa), Sambar deer (Cervus unicolor) and Eld’s deer (Cervus eldi siamensis). Among these ¢ve species, only Eld’s deer had been previously karyotyped using R-banding. In order to identify all the chromosome correspondences with cattle and precisely which chromosome arms are involved in Robertsonian translocations, we compared the karyotypes of these ¢ve species with those of the closely related and well-characterized species, cattle (Bos taurus) and Vietnamese Sika deer (Cervus nippon pseudaxis). Among these six deer species (the ¢ve above plus the Vietnamese Sika deer), we found thirteen different Robertsonian translocations involving nineteen different chromosome arms. Thirteen chromosome arms were identi¢ed by comparison of R-banding patterns only and the remaining six were either con¢rmed or identi¢ed by FISH-mapping of bovine or caprine probes previously localized in cattle. Finally, we observed that ¢ve of the thirteen Robertsonian translocations are shared by at least two species and that some chromosome arms are more frequently involved in Robertsonian translocations than others.
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https://hal.inrae.fr/hal-02682511
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Submitted on : Monday, June 1, 2020 - 1:15:33 AM
Last modification on : Friday, October 8, 2021 - 4:26:05 PM

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Amélie Bonnet-Garnier, F. Claro, S. Thevenon, Mathieu Gautier, Hélène Hayes. Identification by R-banding and FISH of chromosome arms involved in Robertsonian translocations in several deer species. Chromosome Research, Springer Verlag, 2003, 11, pp.649-663. ⟨10.1023/A:1025981508867⟩. ⟨hal-02682511⟩

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