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Table 1 Cell growths of rhodopsin-expressing E. coli strains with and without illumination

From: An evolutionary optimization of a rhodopsin-based phototrophic metabolism in Escherichia coli

Strain Description Cell growth (OD600)a Phototrophic growth Δ[B − A] (fold)
In dark (A) In light (B)
W3110 Negative control 1.78 ± 0.05 1.78 ± 0.04 0b
W3110/pKJ606-GR Ancestral strain 1.52 ± 0.05 1.75 ± 0.08 0.23 (1.0)
ET5/pKJ606-GR Evolved strain 1.52 ± 0.00 2.03 ± 0.08 0.51 (2.2)
  1. aData represent the mean of optical densities ± SD at 600 nm from at least three repeats
  2. bWild-type E. coli W3110 did not show any difference between growth in dark (A) and growth in light (B)