Article
Use of DNA purified in situ from cells embedded in agarose plugs for the molecular analysis of tk-/- mutants recovered in the L5178Y tk+/- 3.7.2C mutagen assay system.
Mutation research - 1 Sept 1990
Applegate M, Juhn G, Liechty M, Moore M, Hozier J
Abstract excerpt
We have reported that tk-/- mutants recovered in the mouse L5178Y tk+/- 3.7.2C mutagen assay have often lost the tk+ allele. Allele loss in the tk-/- mutants is documented on Southern blots as the absence of a 6.3-kb Nco I fragment seen in both tk+/+ and tk+/- cell DNAs. For the routine screening of large- and small-colony tk-/- mutants DNAs for the absence of this genomic fragment, we have found that cells can...
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