BIOBlue Chemically Competent Cells provide an ideal host for optimal preparation of both high-quality plasmid and lambda phage vectors. The BIOBlue strain allows blue/white color screening through ?-complementation of the Beta-Galactosidase gene. The endA1 phenotype allows production of high-quality plasmid DNA. Single-stranded DNA can be produced from plasmids containing a phage f1 origin. BIOBlue is also an excellent host for M13 and related filamentous phage, and supports blue/white plaque screening and phage production. Maintenance of the F' episome in this strain is facilitated via selection with tetracycline, unlike strains such as JM101 which require growth on minimal media. Efficiency:1 x 10e9.
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