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. 2018 Jul 17;4:35. doi: 10.1038/s41421-018-0037-y

Fig. 4. Growth studies.

Fig. 4

a Growth of E. coli strains on l-ascorbate. Growth of wild-type and mutant strains were conducted in minimal medium M9 under anaerobic conditions: blue, wild type; magenta, UlaA knock out; red, pBAD-empty vector; green, pBAD-WT. b Growth assay of several ecUlaA variants. Each experiment was repeated three times. Values are mean ± s.e.m. NS, not significant; **p < 0.05