Table 1.

Cyanobacterial strains engineered for isobutanol production.

Organism	Overexpressed genes	Initial OD750	Condition	Titer	Time (days)	Reference
Synechococus7942	PLlacO1:alsS-ilvC-ilvD	Nearly 1	50 mM NaHCO3, 55 mol photons m−2 s−1	450 mg L−1	8	Atsumi et al. (2009b)
	Ptrc:kivd-yqhD
SynechocystisPCC 6803	Ptac:kivd-yqhD	Mid-log phase	Autotrophic (50 mM NaHCO3), 50$\mathit{\mu }$mol photons m−2 s−1, within situtrap	240 mg L−1	21	Varman et al. (2013)
			Mixtrophic (50 mM NaHCO3, 0.5% glucose), 50$\mathit{\mu }$mol photons m−2 s−1, within situtrap	298 mg L−1	21
Synechococus7942	ΔglgC	0.4–0.6	50 mM NaHCO3, 150 $\mathit{\mu }$mol photons m−2 s−1	550 mg L−1	8	Li et al. (2014)
	PLlacO1:alsS-ilvC-ilvD
	Ptrc:kivd-yqhD