Methods and compositions for the recombinant biosynthesis of n-alkanes
The present disclosure identifies methods and compositions for modifying photoautotrophic organisms as hosts, such that the organisms efficiently convert carbon dioxide and light into n-alkanes, and in particular the use of such organisms for the commercial production of n-alkanes and related molecules.
1. A fuel composition comprising a mixture of alkanes, wherein the mixture comprises pentadecane, hexadecane, and heptadecane, wherein heptadecane and pentadecane are predominant in the mixture, and wherein at least a portion of the carbon used as raw material of the alkanes in the mixture is inorganic carbon.
2. The fuel composition of claim 1 , wherein the fuel composition further comprises nonadecene.
3. The fuel composition of claim 1 , wherein the fuel composition further comprises tridecane.
4. The fuel composition of claim 1 , wherein the fuel composition further comprises tetradecane.
5. The fuel composition of claim 1 , wherein the fuel composition is a low-sulfur fuel composition.
6. The fuel composition of claim 1 , wherein the fuel composition is a carbon-neutral fuel composition.
7. The fuel composition of claim 1 , wherein the fuel composition has a higher δ p than a comparable fuel composition made from fixed atmospheric carbon or plant-derived biomass.
8. The fuel composition of claim 1 , wherein the fuel composition further comprises diesel.
9. The fuel composition of claim 1 , wherein the inorganic carbon is carbon dioxide.
10. A fuel composition comprising a mixture of alkanes, wherein the mixture comprises pentadecane, hexadecane, and heptadecane, wherein heptadecane and pentadecane are predominant in the mixture, and wherein at least a portion of the carbon in the alkanes in the mixture is inorganic carbon.
11. The fuel composition of claim 10 , wherein the fuel composition further comprises nonadecene.
12. The fuel composition of claim 10 , wherein the fuel composition further comprises tridecane.
13. The fuel composition of claim 10 , wherein the fuel composition further comprises tetradecane.
14. The fuel composition of claim 10 , wherein the fuel composition is a low-sulfur fuel composition.
15. The fuel composition of claim 10 , wherein the fuel composition is a carbon-neutral fuel composition.
16. The fuel composition of claim 10 , wherein the fuel composition has a higher δ p than a comparable fuel composition made from fixed atmospheric carbon or plant-derived biomass.
17. The fuel composition of claim 10 , wherein the fuel composition further comprises diesel.
18. The fuel composition of claim 10 , wherein the inorganic carbon is derived from carbon dioxide.
19. A fuel composition comprising a mixture of alkanes, wherein the mixture comprises pentadecane, hexadecane, and heptadecane, wherein heptadecane and pentadecane are predominant in the mixture, and wherein the fuel composition has a higher δ p than a comparable fuel composition made from fixed atmospheric carbon or plant-derived biomass.
20. The fuel composition of claim 19 , wherein at least a portion of the carbon used as raw material of the alkanes in the mixture is inorganic carbon; or wherein at least a portion of the carbon in the alkanes in the mixture is inorganic carbon.