Alpha-amanitin resistance: a dominant mutation in CHO cells. |
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| Authors: | P E Lobban L Siminovitch |
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| Affiliation: | Department of Medical Genetics University of Toronto Toronto, Ontario, Canada M5S 1A8 |
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| Abstract: | Hybrids of CHO cells were constructed consisting of either a 1:1 or 1:2 ratio of alpha-amanitin-resistant and sensitive cells, respectively. The resistance of such hybrids to killing by the drug was similar but slightly less than that of the resistant parent. The hybrids contained both resistant and wild-type RNA polymerase II, in amounts related to the expected gene dosage. The alpha-amanitin marker therefore is expressed codominantly. |
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