Table 1

Escherichia coli strains and plasmids used in this study

strains
genotype
source, ref,

HME63
Δ(argF-lac) U169 λ cI857 Δcro-bioA galK tyr 145 UAG mutS<>amp
Court, 2003
AFT325
thyA argA21 recF143 hisG4 met rpsL31 galK2 xyl-5 λ- F-
Amundsen,86
V2825
hisG4 met rpsL31 galK2 xyl-5 recBD2728
This study
V2826
hisG4 met rpsL31 galK2 xyl-5 recBD2729
This study
V2831
hisG4 met rpsL31 galK2 xyl-5 recBCD2731 (recBCDΔ)
This study
V66
argA21 hisG4 recF143 met rpsL31 galK2 xyl-5 λ- F-
Schultz,83
V67
RecB21::IS186 argA21 hisG4 recF143 met rpsL31 galK2 xyl-5 λ- F-
Schultz,83
V222
argA::Tn10 argA21 hisG4 recF143 met rpsL31 galK2 xyl-5 λ- F-
Amundsen,90
V1306
Thi-1 relA1 λ- (Hfr PO44)
Schultz,83
594
Lac-3350 galK2 galT22 rpsL179 λ- F-
Schultz,83
C600
Thr-1 leuB6 thi-1 lacY1 tonA21 supE44 rfbD1 λ- F-
Schultz,83

plasmids



pBR322χ +F225
-
Smith, 81
pDWS2
recBCD in pBR322
Ponticelli,85
pBD2728
2ntΔrecBD fusion in pBR322
This study
pBD2729
9nti recBD fusion in pBR322
This study

Portakal and Doğan BMC Biochemistry 2008 9:27   doi:10.1186/1471-2091-9-27