TABLE 1.

Comparison of sucrose production rates in Synechococcus elongatus determined in the present study with published values

Strain	Genotypea	Cultivation conditions	Titer (mg/liter)	Production rate (mg/liter/h)	Reference
Syn7942 strains
FL92	NS3::Plac-cscB-Cmr	30°C, 3% CO2, 100–120 μE/m2/s light, 150 mM NaCl for 3 days	469.3	6.5	This study
FL130	NS1::Ptrc-sps-Spr NS3::Plac-cscB-Cmr	30°C, 3% CO2, 100–120 μE/m2/s light, 150 mM NaCl for 3 days	539.8	7.5	This study
QL241	NS1::Ptrc-sps-Spr NS2::PcpcB1-glgC-Gmr NS3::Plac-cscB-Cmr	30°C, 3% CO2, 100–120 μE/m2/s light, 150 mM NaCl for 3 days	577.8	8.0	This study
CscB	NS3::Plac-cscB-Cmr	35°C, 2% CO2, 65 μE/m2/s light, 150 mM NaCl for 3 days	∼2,016	∼28	23
CscBΔinvA	NS3::Plac-cscB-Cmr invA::Hygr	35°C, 2% CO2, 65 μE/m2/s light, 150 mM NaCl for 3 days	∼2,304	∼32	23
CscBΔglgC	NS3::Plac-cscB-Cmr glgC::Spr	35°C, 2% CO2, 65 μE/m2/s light, 150 mM NaCl for 3 days	∼2,160	∼30	23
CscBΔglgCΔinvA	NS3::Plac-cscB-Cmr invA::Hygr glgC::Spr	35°C, 2% CO2, 65 μE/m2/s light, 150 mM NaCl for 3 days	2,599.2	36.1	23
Syn2973 strain
Syn2973::CscB	M744_RS12430::Plac-cscB-Cmr	38°C, 3% CO2, 250 μE/m2/s light, 150 mM NaCl for 4 days	3,340	35.5	25

^aP_lac, lac promoter; P_trc, trc promoter; P_cpcB1, cpcB1 promoter; Hyg^r, hygromycin resistance; invA, invertase gene of Syn7942; NS1, NS2, and NS3, different neutral sites in the genome of Syn7942.