Mapping a marsupial X chromosome using kangaroo-mouse somatic cell hybrids

J. A. Donald, R. M. Hope

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)


A series of marsupial-eutherian somatic cell hybrids was produced by fusion between lymphocytes from the red kangaroo (Macropus rufus) and HPRT-deficient mouse cells. The hybrids lost marsupial chromosomes and could therefore be used to map marsupial genes. Several of the hybrids contained a complete red kangaroo X chromosome and expressed the kangaroo form of the enzymes HPRT, G6PD, and PGKA. A number of HPRT-deficient revertant cell lines were derived from the hybrids. These possessed a variety of partially deleted X chromosomes. With these cell lines, it has been possible to establish the X-linkage of the genes for HPRT, G6PD, and PGKA in this marsupial and to localize these three genes to the terminal portion of the euchromatic arm of the red kangaroo X chromosome.

Original languageEnglish
Pages (from-to)127-137
Number of pages11
JournalCytogenetics and Cell Genetics
Issue number3
Publication statusPublished - 1981
Externally publishedYes


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