Table 1. Alternative chassis used in Synthetic Biology applications.

Organism	Applications	Lifestyle	Reference
Clostridium acetobutylicum	Biofuels, flavouring, cosmetics, plasticisers	Anaerobic	[67]
Klebsiella spp.	Biofuel production	Facultatively anaerobic	[68]
Pseudomonas putida	Bioremediation, small molecules and bioplastics production	Aerobic	[69]
Streptomyces spp.	Antibiotic, secondary metabolite and protein production.	Aerobic	[70,71]
Shewanella oneidensis	Electricity production	Facultatively anaerobic	[72]
Geobacter sulfurreducens	Electricity production	Anaerobic	[72]
Bacteroides thetaiotaomicron	Control of gut microbiota	Anaerobic	[73]
Synechocystis spp.	Biofuels, small molecules production fixing CO2	Photosynthetic	[74]
Deinococcus radiodurans	Bioremediation and small molecule production under stress	Aerobic	[75]
Mycoplasma spp.	Minimal genome engineering and vaccine	Facultative anaerobic	[7]