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Fig. 3 | Biotechnology for Biofuels

Fig. 3

From: Enhanced production of biomass and lipids by Euglena gracilis via co-culturing with a microalga growth-promoting bacterium, Emticicia sp. EG3

Fig. 3

Effects of EG3 on the growth of E. gracilis co-cultured with various initial cell densities of EG3—0 (control), 2 × 106, 8 × 106, and 4 × 107 CFU/mL—in heat-sterilized wastewater effluent for 7 days. a Changes in chlorophyll a + b content in E. gracilis co-cultured with EG3 at initial cell density of 0 (control, black triangle), 2 × 106 CFU/mL (white diamond), 8 × 106 CFU/mL (white square), or 4 × 107 CFU/mL (white circle). b Biomass production rate of E. gracilis in co-culture with EG3 at initial cell density of 0 (control), 2 × 106, 8 × 106, and 4 × 107 CFU/mL during 7 days. Values are means ± SDs (n = 3). *Significant difference (p < 0.05) from control

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