MODIFIED NATIVE BETA-KETOACYL-ACP SYNTHASES AND ENGINEERED MICROORGANISMS
First Claim
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1. A method for altering the carbon chain length of acyl-derived products produced from a bacterial microorganism, said method comprising modifying a native bacterial gene having β
- -ketoacyl-ACP synthase activity.
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Abstract
Genetically engineered cells and microorganisms are provided that produce fatty alcohols and fatty acids. In particular, engineered microbial cells comprise a modified native gene having β-ketoacyl-acp synthase activity.
1 Citation
50 Claims
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1. A method for altering the carbon chain length of acyl-derived products produced from a bacterial microorganism, said method comprising modifying a native bacterial gene having β
- -ketoacyl-ACP synthase activity.
- View Dependent Claims (2, 3, 4, 5, 6)
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7. A variant FabB polypeptide, wherein the polypeptide sequence of said variant comprises at least 85% amino acid sequence identity to SEQ ID NO:
- 2 or a functional fragment thereof and wherein the polypeptide sequence of said variant comprises an amino acid substitution at one or more of the following positions 30, 34, 38, 40, 42, 43, 45, 51, 53, 61, 62, 63, 64, 65, 66, 95, 96, 97, 106, 107, 108, 110, 111, 112, 113, 114, 115, 116, 117, 124, 127, 128, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 149, 151, 161, 162, 164, 165, 191, 196, 197, 200, 201, 204, 205, 206, 209, 210, 212, 216, 217, 224, 225, 226, 229, 231, 267, 268, 270, 271, 272, 273, 275, 282, 285, 298, 300, 302, 303, 304, 305, 308, 311, 314, 315, 333, 335, 336, 360, 361, 367, 390, 391, 392, and/or 396, wherein the positions are numbered with reference to SEQ ID NO;
2. - View Dependent Claims (8, 13, 14, 15, 16, 17, 18, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 41, 42, 43, 44, 45, 46, 49)
- 2 or a functional fragment thereof and wherein the polypeptide sequence of said variant comprises an amino acid substitution at one or more of the following positions 30, 34, 38, 40, 42, 43, 45, 51, 53, 61, 62, 63, 64, 65, 66, 95, 96, 97, 106, 107, 108, 110, 111, 112, 113, 114, 115, 116, 117, 124, 127, 128, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 149, 151, 161, 162, 164, 165, 191, 196, 197, 200, 201, 204, 205, 206, 209, 210, 212, 216, 217, 224, 225, 226, 229, 231, 267, 268, 270, 271, 272, 273, 275, 282, 285, 298, 300, 302, 303, 304, 305, 308, 311, 314, 315, 333, 335, 336, 360, 361, 367, 390, 391, 392, and/or 396, wherein the positions are numbered with reference to SEQ ID NO;
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9-12. -12. (canceled)
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19. (canceled)
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33. (canceled)
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34. (canceled)
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35. A recombinant cell culture comprising engineered bacterial cells, said engineered bacterial cells comprising (a) a modified native gene having β
- -ketoacyl-ACP synthase activity and (b) one or more heterologous polynucleotides encoding a fatty alcohol reductase (EC1.1.1.*) and/or a thioesterase (EC3.1.2.- or EC 3.1.1.5).
- View Dependent Claims (37, 38, 39)
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36. (canceled)
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40. (canceled)
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47. (canceled)
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48. (canceled)
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50. (canceled)
Specification