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. 2019 Nov 1;10:2510. doi: 10.3389/fmicb.2019.02510

FIGURE 2.

FIGURE 2

Metabolite production and mannitol dehydrogenase (Mtdh) activities in St. bombicola wild type and deletion mutants. (A) Metabolite production in St. bombicola wild type and deletion mutants (mtdh1Δ, mtdh2Δ, mtdh1Δmtdh2Δ) cultivated in YP supplemented with 10% (w/v) glucose and 10% (w/v) fructose (20FG) at 30°C for 76 h. (B) Mannitol and fructose production in St. bombicola wild type, mtdh1Δ, mtdh1Δmtdh2Δ cultivated in YP medium supplemented with 20% (w/v) glucose at 30°C for 76 h. (C) Mtdh activities in cell-free extracts of wild type St. bombicola (black dotted line) and mtdh1Δ (blue lines represent two biological replicates). The hexokinase assay served as a control for the quality of the extracts.