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. 2022 Jan 4;12:674864. doi: 10.3389/fmicb.2021.674864

Figure 2.

Figure 2

An illustrative biorefinery approach for tailor-made consortium of photosynthetic microorganisms. Microalgae; B- Filamentous Cyanobacteria; C- Photosynthetic bacteria 1; D- Photosynthetic bacteria; and E- Photosynthetic bacteria. 1. Protein; 2. Triacylglycerides, and 3. Pigments. NOx: Nitrates, PO4 – Phosphate, CO2: Carbon dioxide; VFAs: Volatile fatty acids; PGPSs: Plant growth promoting substances; H2: Hydrogen; PHA: Polyhydroxyalkanoates; C:Carbon; N: Nitrogen; H: Hydrogen; and O: Oxygen.