Product Releases

Multiple Deletion Series E. Coli Strain

Wed, 03/18/2009 - 12:08pm
ScarabXpress is the latest strain in the multiple-deletion series (MDS) of Clean Genome E. coli. Based on the MDS42 strain, ScarabXpress T7lac contains a chromosomal copy of the T7 RNA Polymerase gene expressed from a unique, tightly controlled lac promoter. MDS42 is a K12 strain with a 15% genome reduction to remove non-essential genes, sequences for recombinogenic and mobile DNA, and cryptic virulence genes, while preserving robust growth and protein production. Genome reduction optimizes the Clean Genome E. coli as a biological factory, providing enhanced genetic stability and improved metabolic efficiency, and making it the strain of choice for applications ranging from routine cloning to production of therapeutic biological material. Scarab Genomics, 888-513-7075,

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