dam-/dcm- Competent E.coli, New England Biolabs

Supplier: New England Biolabs (NEB)
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C2925H C2925I
200064-394EA 279 USD
200064-394 101417-894
dam-/dcm- Competent E.coli, New England Biolabs
Competent Cells
Methyltransferase deficient chemically competent E.coli cells suitable for growth of plasmids free of Dam and Dcm methylation.

Note that dam- strains are not recommended as a host for primary cloning/ligation. The dam mutation can result in an increased mutation rate in the cell and a reduction in the transformation efficiency. DNA should be maintained in a dam+ strain unless there is a specific need for DNA free of Dam or Dcm methylation.
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