Transcription regulation of the EcoRV restriction-modification system

Abstract excerpt

When a plasmid containing restriction-modification (R-M) genes enters a naïve host, unmodified host DNA can be destroyed by restriction endonuclease. Therefore, expression of R-M genes must be regulated to ensure that enough methyltransferase is produced and that host DNA is methylated before the endonuclease synthesis begins. In several R-M systems, specialized Control (C) proteins coordinate expression of the R...

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