Radnedge L, Pinney RJ. Increase in susceptibility to EcoRII restriction of bacteriophage lambda produced by propagation on host cells growing in 5-azacytidine: a new in-vivo method for demonstration of DNA-methylation inhibition.
J Pharm Pharmacol 1992;
44:266-8. [PMID:
1380552 DOI:
10.1111/j.2042-7158.1992.tb03598.x]
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Abstract
The efficiency of plating on EcoRII-restricting cells of bacteriophage lambda vir propagated on an Escherichia coli K-12 dcm+ host decreased with increase in concentration of 5-azacytidine (5-azaC) in the propagating medium. This illustrates, in-vivo, the inhibition of DNA-cytosine methylation induced by 5-azaC and provides a simple system for the detection of DNA-methylation inhibitors.
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