Skip to main content
. 2014 Jan 22;9(1):e86343. doi: 10.1371/journal.pone.0086343

Table 3. Growth parameters and TMPD-dependent oxidase activity of oxidase deletion mutants cultivated in aerobic conditions.

Strain Relevant genotype Doubling timea Relative yieldb TMPD oxidase activityc
MR-1 wild-type 54.2+/−0.2 1.00 90+/−6
SLL01 ΔccoN 78.0+/−0.7 0.77 0
SLL02 ΔcydA 53.4+/−2.1 1.00 91+/−9
SLL03 ΔcoxA 59.0+/−1.1 0.96 97+/−6
SLL05 ΔcydAΔcoxA 56.5+/−2.7 0.97 101+/−9
SLL06 ΔccoNΔcoxA 79.9+/−1.2 0.78 0
a

Expressed in min.

b

Relative yield is defined as the highest optical density in early stationary phase in mutant strains cultures relative to that in the wild-type strain cultures.

c

Expressed in nmol O2.min−1.mg protein−1.

Data were obtained from triplicate separated experiments.