Figure 7.

Cell growth with or without nitrogen fixation in pyruvate-grown cultures during phototrophic and chemotrophic growth. The cells were grown in the minimal medium with pyruvate as sole carbon source and NH4+ or N2/H2 = 98/2 as the nitrogen source.

Tang et al. BMC Microbiology 2010 10:150   doi:10.1186/1471-2180-10-150
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