Plasmids 101: Common Lab E. coli Strains
Type
Blog Post
...thiamine metabolism
Requires exogenous thiamine for growth
ara
disruption of arabinose metabolism pathway...NEB has a great list of genetic markers for your reference.
Browse Addgene's curated list of Bacterial Expression...proteins needed for bacterial conjugation. Genes listed on F´ are wild-type unless indicated otherwise
... Phage resistance
gal
Mutation in galactose metabolism pathway
Cells cannot grow on galactose only
...repressed more
LacZ
β-galactosidase activity abolished
lacY
Lactose permease inactivated, lactose...plasmid stability
recBCD
Exonuclease V activity abolished
Increased plasmid stability, reduced recombination...r-m+)
MG1655
Wild type K-12 strain; first published sequence of an E. coli K-12 strain.
F- λ- ilvG...