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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

A pgk::hprt fusion as a selectable marker for targeting of genes in mouse embryonic stem cells: disruption of the T-cell receptor delta-chain-encoding gene.

We have constructed a hypoxanthine phosphoribosyl transferase-selectable marker (hprt) under the control of the phosphoglycerate kinase ( pgk) promoter. This construct permits cell growth in hypoxanthine/aminopterin/thymidine media and confers 6-thioguanine sensitivity upon mouse Hprt- embryonic stem cells, allowing either positive or negative selection in gene-targeting experiments. We have successfully targeted the gene encoding the T-cell receptor delta-chain using the pgk::hprt fusion for counterselection.[1]


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