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  • Title: Conserved chromosomal positions of dual domains of the ets protooncogene in cats, mice, and humans.
    Author: Watson DK, McWilliams-Smith MJ, Kozak C, Reeves R, Gearhart J, Nunn MF, Nash W, Fowle JR, Duesberg P, Papas TS.
    Journal: Proc Natl Acad Sci U S A; 1986 Mar; 83(6):1792-6. PubMed ID: 3513188.
    Abstract:
    The mammalian protooncogene homologue of the avian v-ets sequence from the E26 retrovirus consists of two sequentially distinct domains located on different chromosomes. Using somatic cell hybrid panels, we have mapped the mammalian homologue of the 5' v-ets-domain to chromosome 11 (ETS1) in man, to chromosome 9 (Ets-1) in mouse, and to chromosome D1 (ETS1) in the domestic cat. The mammalian homologue of the 3' v-ets domain was similarly mapped to human chromosome 21 (ETS2), to mouse chromosome 16 (Ets-2), and to feline chromosome C2 (ETS2). Both protooncogenes fell in syntenic groups of homologous linked loci that were conserved among the three species. The occurrence of two distinct functional protooncogenes and their conservation of linkage positions in the three mammalian orders indicate that these two genes have been separate since before the evolutionary divergence of mammals.
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