0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 01020304050607080 Time (hours) O.D. at 600 nm w.t.ANA-3 on glucose w.t.ANA-3 on lactate w.t.MR-1 on glucose.

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Time (hours) O.D. at 600 nm w.t.ANA-3 on glucose w.t.ANA-3 on lactate w.t.MR-1 on glucose w.t.MR-1 on lactate glcP ANA-3 on glucose glcP ANA-3 on lactate Additional file 6. Experimental verification of novel enzymes and transporters involved in sugar utilization in Shewanella. A.Phenotypic characterization of glcP Mal (Shewana3_2310) for its involvement in glucose utilization in Shewanella sp. ANA-3. Growth of the wild-type and glcP Mal knockout strains of Shewanella sp. ANA-3 and Shewanella oneidensis MR-1 (as a control) was monitoried on the minimal medium with either D-glucose or L-/D-lactate added as a single carbon and energy source.

B. Phenotypic characterization of nagP (SO3503) for its involvement in N-acetylglucosamine (Nag) utilization in Shewanella oneidensis MR-1. Growth of the wild-type, nagP knockout mutant and the nagP + complementing strains of Shewanella oneidensis MR-1 was monitoried on the minimal medium with N-acetyl-glucosamine added as a single carbon and energy source Time (hours) O.D. at 600 nm nagP MR-1 on Nag nagP/nagP + with complementing nagP plasmid on Nag w.t. MR-1 on Nag

C. Phenotypic characterization of grtP (SO1771) for its involvement in D-glycerate utilization in Shewanella oneidensis MR-1. Growth of the wild-type and grtP knockout mutant strains of Shewanella oneidensis MR-1 was monitoried on the minimal medium with D-glyecrate added as a single carbon and energy source. grtP MR-1 on glycerate w.t. MR-1 on glycerate Time (hours) O.D. at 600 nm

D. Complementation of the E. coli cellobiose utilization by bglA-bglT genes (Sbal_ ) from S. baltica OS155. Growth of the E.coli bglF derivative strains containing heterologously expressed S. baltica OS155 bglA-bglT genes was monitored on the minimal medium with cellobiose added as a single carbon and energy source. E.coli bglF strain that lacks the cellobiose PTS is unable to utilize cellobiose. The bglF (pBAD) strain has an empty vector and is used as a control. The bglA, bglT and bglA-bglT strains have the respective cellobiose pathway genes from S. baltica OS155 heterologously expressed under the control of arabinose promoter in the E.coli bglF mutant Time (hours) O.D. at 600 nm bglF (pBAD) bglF (bglA) bglF (bglT) bglF (bglA-bglT)

E. Substrate specificity of Shewanella baltica OS155 Glk II (Sbal_1134) kinase. Specific sugar kinase activities of GlK II were measured at 37 C. Highest specific activity (rate 22mmol/mg/min) was determined for D-glucose. Relative activity of Glk II for other sugars including 2-deoxy-glucose, D-mannose, D-fructose, D-glucosamine, D-mannosamine, and D-allose is given in percents of the glucokinase activity. Glk II was not active with other hexoses (D-tagatose, L-rhamnose, L-fucose, N-acetyl-glucosamine), pentoses (D-xylose, L-arabinose, D-ribose, D-lyxose) and polyols (glycerol; erythritol; arabinitol; xylitol, ribitol; mannitol, sorbitol). Relative activity, %

Time (hours) O.D. at 600 nm DH5 (pBAD) DH5 (scrT II ) DH5 (scrP) DH5 (scrP<>scrT II ) F. Growth of E. coli DH5 strain (Scr-) containing heterologously expressed sucrose utilization genes scrT II -scrP (Sfri_3989-Sfri_3990) from S. frigidimarina. Growth of the E.coli DH5 derivative strains was monitoried on the minimal medium with sucrose added as a single carbon and energy source. DH5 is a E.coli strain that is unable to utilize sucrose. The DH5 (pBAD) strain has an empty vector and is used as a control. The sucrose pathway genes scrP, scrT II and scrP<>scrT II from S. frigidimarina were expressed in DH5 under the control of an endogenous promoter in their intergenic region.