Figure 1 From: A novel role for RecA under non-stress: promotion of swarming motility in Escherichia coli K-12 Swarming colonial patterns. Swarming colonial patterns developed on a semisolid "Difco" agar surface for 24 h at 37°C by (A) MG1655 wild-type, (B) MG1655Δ(srlR-recA)306::Tn10, and (C) MG1655 lexA1. Plates have a diameter of 9 cm.Back to article page