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. 2019 Nov 14;9:16759. doi: 10.1038/s41598-019-53107-3

Table 1.

Growth kinetics of the M. smegmatis WT and ε4A mutant strain and its complemented strain in HdB minimal media supplemented with 0.2% glycerol or acetate.

WT strain ε4A mutant strain ε4A complemented strain
In HdB media supplemented with 0.2% glycerol
Doubling time (h) 3.2 4.1 3.9
Dry weight at 48 h (g/l) 1.07 ± 0.02 0.98 ± 0.04 1.04 ± 0.02
Yglycerol (g/mol) at 48 h 33.07 ± 1.28 33.91 ± 2.96 37.68 ± 1.70
pH at 48 h 5.84 ± 0.04 5.95 ± 0.02 5.95 ± 0.03
OD600 at 48 h 2.26 ± 0.29 2.21 ± 0.03 2.43 ± 0.07
In HdB media supplemented with 0.2% acetate
Doubling time (h) 4.4 7.9 7.6
Dry weight at 72 h (g/l) 0.38 ± 0.01 0.24 ± 0.01 0.29 ± 0.02
Yacetate (g/mol) at 72 h 9.45 ± 0.78 5.78 ± 0.47 7.47 ± 0.43
pH at 72 h 8.30 ± 0.03 7.86 ± 0.05 8.02 ± 0.10
OD600 at 72 h 0.79 ± 0.04 0.56 ± 0.02 0.77 ± 0.04