Recombination and deletion of sequences in shuttle vector plasmids in mammalian cells.
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چکیده
منابع مشابه
A spectrum of mutations induced by crotonaldehyde in shuttle vector plasmids propagated in human cells.
A spectrum of crotonaldehyde-induced mutations in the supF gene of the shuttle vector plasmid pMY189 replicated in human fibroblast cells was examined. Base sequence analysis of 104 plasmids with mutations in the supF gene revealed that the majority of the mutations were base substitutions (85%) and the rest were frameshifts (15%). A single base substitution was most frequently found (47%), whi...
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15 صفحه اولRearrangement and mutagenesis of a shuttle vector plasmid after passage in mammalian cells.
A shuttle vector plasmid that contains sequences from simian virus 40, pBR322, and a bacterial marker gene, galactokinase, has been constructed. After replication in cells permissive for virus progeny, plasmid DNA was introduced into a galactokinase-deficient bacterial strain and the relative frequency of colonies with plasmids but without galactokinase activity was determined. This assay showe...
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Mouse LTKcells were transfected with a pair of defective Herpes simplex virus thymidine kinase ( t k ) genes. One tk gene had an 8-bp insertion mutation while the second gene had a 100-bp inversion. Extrachromosomal homologous recombination leading to the reconstruction of a functional tk gene was monitored by selecting for tk positive cells using medium supplemented with hypoxanthine/ aminopte...
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ژورنال
عنوان ژورنال: Molecular and Cellular Biology
سال: 1985
ISSN: 0270-7306,1098-5549
DOI: 10.1128/mcb.5.9.2265