Table 3

Nutrient uptake and metabolite excretion in PMS medium (pyruvate as the sole carbon source) during various growth conditions.

Growth condition

Nitrogen source

Pyruvate supplied/consumed (mM)

Acetate excretion (mM)

Ratio of pyruvate consumption/acetate excretion

Lactate excretion (mM)


phototrophic growth

NH4+

20

7.8

39%

--

phototrophic growth + 0.4% bicarbonate

NH4+

20

7.0

35%

--

phototrophic growth

98% N2/

2% H2

20

7.2

36%

--

chemotrophic growth

NH4+

40

17.5

44%

--

chemotrophic growth

98% N2/

2% H2

40

16.8

42%

--


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

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