Chinese hamster x American mink somatic cell hybrids: characterization of a clone panel and assignment of the mink genes for malate dehydrogenase, NADP-1 and malate dehydrogenase, NAD-1

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Abstract
Chinese hamster x American mink somatic cell hybrids were obtained and examined for chromosome content and expression of mink malate dehydrogenase, NADP (MOD-1; EC 1.1.1.40), malate dehydrogenase, NAD (MOR-1; EC 1.1.1.37), glucose-6-phosphate dehydrogenase (G6PD; EC 1.1.1.49) and hypoxanthine phosphoribosyltransferase (HPRT; EC 2.4.2.8). All the hybrid clones examined were found to segregate mink chromosomes. A clone panel containing 25 clones was set up. The possibilities and limitations of this panel for mink gene mapping are analysed. Using this panel, it is feasible to rapidly map genes located on chromosomes 1–13 and to provisionally assign genes located on chromosome 14 and the X. Based on the data obtained, the genes for MOD-1 and MOR-1 were firmly assigned to mink chromosomes 1 and 11, respectively, and the genes for G6PD and HPRT were provisionally assigned to the X.