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

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