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Table 5 Growth on LB plates

From: Role of ZnuABC and ZinT in Escherichia coliO157:H7 zinc acquisition and interaction with epithelial cells

Strainsa EDTA concentration
  0 0.5 mM 1 mM 2 mM
WT ++ ++ ++ ++
RG113 (ΔznuA:: kan) ++ +/- +/- -
RG113 + p18ZnuAO157 ++ + + +
RG113 + p18ZnuAE. coli ++ + + +
  1. a The strains were grown overnight in LB medium and then streaked on LB plates containing the indicated amounts of EDTA. Growth on agar plates was not modified by the presence or absence of antibiotics.
  2. Symbols: ++ growth, + weak growth, +/- weak growth of very small colonies, - no growth.