Promega Bacterial Strain JM109
Useful host for transformation of pGEM Vectors and production of ssDNA from M18 or phagemid vectors. JM109 is recA- and lacks the E. coli K restriction system. Can be used for blue/white screening.
Supplier: Promega P9751
- Useful Host for Transforming Plasmids Capable of Blue/White Screening
- Reliable strain that grows well and is transformed efficiently
- Useful for cloning, single-stranded DNA production, and blue/white screening
- Yield and quality of plasmid DNA improved with the endonuclease A- mutation
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