Name	Genotype
Escherichia coli UR1	△lacI, yghX::Ptrc-pyrB-pyrC-pyrAA-pyrABfbr(E949*)-pyrK-pyrD-pyrF-pyrE
Escherichia coli UR2-1	Δudk
Escherichia coli UR2-2	Δudp
Escherichia coli UR2-3	△rihA
Escherichia coli UR2-4	△rihB
Escherichia coli UR2-5	△rihC
Escherichia coli UR3-1	tyrR::Ptrc-pyrAA-pyrAB
Escherichia coli UR3-2	△argF
Escherichia coli UR3-3	△argF
Escherichia coli UR4	Pppc::Ptrc, △thrA, △iclR
Escherichia coli UR5-1	△purR
Escherichia coli UR5-2	trpR::prs
Escherichia coli UR6	△nupC, △nupG