BMH 71-18 mutS and ES1301 mutS are mismatch repair minus strains of E. coli. Use of these strains prevents repair of the newly synthesized unmethylated strand, leading to high mutation efficiencies. Both ES1301 and BMH 71-18 mutS are recA+, therefore inserts containing highly repetitive sequences may be unstable. ES1301 is Tets, which allows for cycling between antibiotic resistances. BMH 71-18 is Tetr; therefore, it can only be used to select Ampr or CATr mutants.
ES1301 mutS Genotype: lacZ53, mutS201::Tn5, thyA36, rha-5, metB1, deoC, IN(rrnD–rrnE).
BMH 71-18 mutS Genotype: thi, supE, Δ(lac-proAB), [mutS::T...
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BMH 71-18 mutS Genotype: thi, supE, Δ(lac-proAB), [mutS::Tn10], [F´, proAB, lacIqZΔM15].
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Bacterial Strain ES1301 mutS, Glycerol Stock (noncompetent)
Bacterial Strain ES1301 mutS
Bacterial Strain BMH 71-18 mutS, Glycerol Stock (noncompetent)
Bacterial Strain BMH 71-18 mutS
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Q6131, Q6321 For Research Use Only. Not for Use in Diagnostic Procedures.