Table 1 Quantitative determination of PHB in the Synechocystis sp. PCC 6803 acetate transporter expression strain (AT) and the control strain (CS) measured on day 0 and 8, grown in the presence of supplemented 15 mM acetate under continuous light of 20 μmol photons m−2 s−1 (starting OD750 = 0.05)