we have used a cloned cdna for hypoxanthine-guanine phosphoribosyltransferase ( hgprt ) to analyze the hgprt gene and mrna in an hgprt-deficient mutant of chinese hamster cells ( rjk10 ) and its hgprt-positive revertants .
C1415701
hgprt gene
C0020687
hgprt