Abstract

Direct detection of fluorescent in situ hybridization signals on R-banded chromosomes stained with propidium iodide is a rapid and efficient method for constructing cytogenetic maps for species with R-banded standard karyotypes. In this paper, our aim is to establish an R-banded rabbit karyotype nomenclature that is in total agreement with the 1981 G-banded standard nomenclature. For this purpose, we have produced new GTG- and RBG-banded mid-metaphase karyotypes and an updated version of ideograms of R-banded rabbit chromosomes. In addition, to confirm correlations between G- and R-banded chromosomes, we have defined a set of 23 rabbit BAC clones, each containing a specific gene, one marker gene per rabbit chromosome, and we have localized precisely each BAC clone by FISH on both G- and R-banded chromosomes.

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