TABLE 1.

Strains, plasmids, and phages

Strain, phage, or plasmidParentGenotype or phenotypeReference or source
Bacteria
    MC4100F araD139 (argF-lac)U169 rpsL150 relA1 fib5301 deoC1 ptsF25 rbsR27
    RCC70MC4100narL::kan32
    RCC71MC4100narP::kan32
    HL110HL101narL::kan narP::kan Tn1032
Plasmids
    pHW12fdnG-lacZThis study
    pHW13fdhF-lacZThis study
    pRS415lacZ lacY+ lacA+28
Phages
    λRS45lacZ28
    λHW12λRS45fdnG-lacZ lacY+ lacA+This study
    λHW13λRS45fdnF-lacZ lacY+ lacA+This study