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Table 2 PHB concentrations in Synechocystis sp. PCC 6714 grown under continuous illumination and different limiting conditions

From: Photosynthetic poly-β-hydroxybutyrate accumulation in unicellular cyanobacterium Synechocystis sp. PCC 6714

Limitation condition 3 day 7 day 14 day 16 day
Cells growing of complete BG-11 media 0 <0.5% <1% 1%
Nitrogen limitation (growth on nitrate), % 2.5 7.5 10 9.5
Nitrogen limitation (growth on ammonia), % 2 6 9 8.5
Nitrogen limitation (growth on nitrate) and 5 mM acetate, % 3 7.9 11.4 14.9
Nitrogen limitation (growth on ammonia) and 5 mM acetate, % 3 7.2 11 14
Nitrogen and phosphorus limitation (growth on nitrate), % 3.4 8.2 13 11
Nitrogen and phosphorus limitation (growth on ammonia), % 2.9 7 12.5 12
Nitrogen and phosphorus limitation and 5 mM acetate, % 3.2 7 12.4 15.5
Nitrogen, phosphorus and gas exchange limitation, % <1 2.2 1.5 1
  1. The values shown are the mean of three individual experiments