Production of volatile dienes by enzymatic dehydration of light alkenols
Described is a method for generating conjugated dienes through a biological process. More specifically, the application describes a method for producing conjugated dienes (for example butadiene, isoprene or dimethylbutadiene) from light alkenols via enzymatic dehydration, in particular by making use of an alkenol dehydratase.
1. A method for producing a conjugated diene comprising enzymatically converting a C n H 2n O into C n H 2n-2 +H 2 O, wherein 3<n<7, by an enzyme at least 70% identical to the amino acid sequence of SEQ ID NO:1 wherein said enzyme has alkenol dehydratase activity.
2. The method of claim 1 , wherein said method is carried out in vitro.
3. The method of claim 1 , wherein said method is carried out in a microorganism.
4. The method of claim 1 , wherein C n H 2n O is C 4 H 8 O.
5. The method of claim 4 , wherein the C 4 H 8 O is but-2-en-1-ol, but-3-en-2-ol, or but-3-en-1-ol.
6. The method of claim 5 , wherein 1,3-butadiene is recovered.
7. The method of claim 1 , wherein C n H 2n O is C 5 H 10 O.
8. The method of claim 7 , wherein the C 5 H 10 O is 3-methylbut-3-en-1-ol, 2-methylbut-2-en-1-ol, 3-methylbut-3-en-2-ol, or 2-methylbut-3-en-1-ol.
9. The method of claim 8 , wherein isoprene is recovered.
10. The method of claim 1 , wherein C n H 2n O is C 6 H 12 O.
11. The method of claim 10 , wherein the C 6 H 12 O is are 2,3-dimethylbut-2-en-1-ol, 2,3-dimethylbut-3-en-2-ol and 2,3-dimethylbut-3-en-1-ol.
12. The method of claim 11 , wherein dimethyl-butadiene is recovered.
13. The method of claim 10 , wherein the enzyme is at least 75% identical to the amino acid sequence of SEQ ID NO:1.
14. The method of claim 10 , wherein the enzyme is at least 80% identical to the amino acid sequence of SEQ ID NO:1.
15. The method of claim 10 , wherein the enzyme is at least 90% identical to the amino acid sequence of SEQ ID NO:1.
16. The method of claim 10 , wherein the enzyme is the amino acid sequence of SEQ ID NO:1.
17. A composition comprising a microorganism comprising an enzyme at least 70% identical to the amino acid sequence of SEQ ID NO:1, wherein said enzyme has alkenol dehydratase activity, and a C n H 2n O alcohol, wherein 3<n<7.
18. The composition of claim 17 , wherein C n H 2n O is C 4 H 8 O.
19. The composition of claim 18 , wherein the C 4 H 8 O is but-2-en-1-ol, but-3-en-2-ol, or but-3-en-1-ol.
20. The composition of claim 17 , wherein C n H 2n O is C 5 H 10 O.
21. The composition of claim 20 , wherein the C 5 H 10 O is 3-methylbut-3-en-1-ol, 2-methylbut-2-en-1-ol, 3-methylbut-3-en-2-ol, or 2-methylbut-3-en-1-ol.
22. The composition of claim 17 , wherein C n H 2n O is C 6 H 12 O.
23. The composition of claim 10 , wherein the C 6 H 12 O is are 2,3-dimethylbut-2-en-1-ol, 2,3-dimethylbut-3-en-2-ol and 2,3-dimethylbut-3-en-1-ol.
24. The composition of claim 22 , wherein the enzyme is at least 75% identical to the amino acid sequence of SEQ ID NO:1.
25. The composition of claim 22 , wherein the enzyme is at least 80% identical to the amino acid sequence of SEQ ID NO:1.
26. The composition of claim 22 , wherein the enzyme is at least 90% identical to the amino acid sequence of SEQ ID NO:1.
27. The composition of claim 22 , wherein the enzyme is the amino acid sequence of SEQ ID NO:1.
28. A composition comprising an enzyme at least 70% identical to the amino acid sequence of SEQ ID NO:1, wherein said enzyme has alkenol dehydratase activity, and a C n H 2n O alcohol, wherein 3<n<7.
29. The composition of claim 28 , wherein C n H 2n O is C 4 H 8 O.
30. The composition of claim 29 , wherein the C 4 H 8 O is but-2-en-1-ol, but-3-en-2-ol, or but-3-en-1-ol.
31. The composition of claim 28 , wherein C n H 2n O is C 5 H 10 O.
32. The composition of claim 31 , wherein the C 5 H 10 O is 3-methylbut-3-en-1-ol, 2-methylbut-2-en-1-ol, 3-methylbut-3-en-2-ol, or 2-methylbut-3-en-1-ol.
33. The composition of claim 28 , wherein C n H 2n O is C 6 H 12 O.
34. The composition of claim 33 , wherein the C 6 H 12 O is are 2,3-dimethylbut-2-en-1-ol, 2,3-dimethylbut-3-en-2-ol and 2,3-dimethylbut-3-en-1-ol.
35. The composition of claim 28 , wherein the enzyme is at least 75% identical to the amino acid sequence of SEQ ID NO:1.
36. The composition of claim 28 , wherein the enzyme is at least 80% identical to the amino acid sequence of SEQ ID NO:1.
37. The composition of claim 28 , wherein the enzyme is at least 90% identical to the amino acid sequence of SEQ ID NO:1.
38. The composition of claim 28 , wherein the enzyme is the amino acid sequence of SEQ ID NO:1.