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Table 1 λ plaque formationa

From: Recombination Phenotypes of Escherichia coli greA Mutants

Host genotypeb

λ wild

λ gam

λ red

wild type

++

+

+

greA-D41N

+

-

+

greA-D41A

+

-

+

greA-E44K

+

-

+

greAΔ

++

+

+

greBΔ

++

+

+

greBΔ greA-D41N

+

-

+

  1. a. ++ large plaques, + small plaques, - no plaques
  2. b. All strains bear a recAΔtet substitution.