An aspect of the present disclosure is a microbial cell that includes a genetic modification resulting in the expression of a deficient form of an endogenous dioxygenase, and a gene encoding an exogenous dioxygenase and a promoter sequence, where the endogenous dioxygenase includes PcaH and PcaG, the exogenous dioxygenase includes LigA and LigB, the microbial cell is capable of growth utilizing at least one of a cellulose decomposition molecule or a lignin decomposition molecule, and the microbial cell is capable of producing 2-hydroxy-2H-pyran-4,6-dicarboxylic acid.

The present invention relates to a transformant which is transformed to express Baeyer-Villiger monooxygenase (BVMO), a method for producing C5-C14 medium-chain ω-hydroxy fatty acids, α,ω-dicarboxylic acids, ω-amino fatty acids, or alcohols from C16-C20 long-chain fatty acids by biotransformation using the transformant, a method for producing a fatty acid derivative having an ester group which is introduced into the chain thereof from keto fatty acid using the BVMO, and novel ω-hydroxy fatty acids which are prepared by the method. Degradation products such as C5 to C14 ω-hydroxy fatty acids, α,ω-dicarboxylic acids, ω-amino fatty acids, alcohols can be produced in a large amount from C16 to C20 long-chain fatty acids contained in a medium by biotransformation using a transformant capable of expressing BVMO of the present invention. Therefore, it can be widely used to produce ω-hydroxy fatty acids, α,ω-dicarboxylic acids, ω-amino fatty acids or alcohols in a more safe and economic manner.

The present invention relates to a transformant which is transformed to express Baeyer-Villiger monooxygenase (BVMO), a method for producing C5-C14 medium-chain ω-hydroxy fatty acids, α,ω-dicarboxylic acids, ω-amino fatty acids, or alcohols from C16-C20 long-chain fatty acids by biotransformation using the transformant, a method for producing a fatty acid derivative having an ester group which is introduced into the chain thereof from keto fatty acid using the BVMO, and novel ω-hydroxy fatty acids which are prepared by the method. Degradation products such as C5 to C14 ω-hydroxy fatty acids, α,ω-dicarboxylic acids, ω-amino fatty acids, alcohols can be produced in a large amount from C16 to C20 long-chain fatty acids contained in a medium by biotransformation using a transformant capable of expressing BVMO of the present invention. Therefore, it can be widely used to produce ω-hydroxy fatty acids, α,ω-dicarboxylic acids, ω-amino fatty acids or alcohols in a more safe and economic manner.

The present invention relates to a process for preparing a compound having the formula (I), said process comprising the following steps: a) the addition of an oxygen source into a solution of a compound of formula (II), in a water-miscible solvent, b) the addition of a laccase in the solution obtained after step a); and c) the possible recovering of the compound of formula (I) thus obtained.

##STR00001##

The present invention relates to a process for preparing a compound having the formula (I), said process comprising the following steps: a) the addition of an oxygen source into a solution of a compound of formula (II), in a water-miscible solvent, b) the addition of a laccase in the solution obtained after step a); and c) the possible recovering of the compound of formula (I) thus obtained.

##STR00001##

This document describes biochemical pathways for producing one or more of pimelic acid, 7-aminoheptanoic acid, 7-hydroxyheptanoic acid, heptamethylenediamine and 1,7-heptanediol by forming one or two terminal functional groups, comprised of carboxyl, amine or hydroxyl groups, in a C7 aliphatic backbone substrate produced from succinate semialdehyde or pyruvate. These pathways, metabolic engineering and cultivation strategies described herein rely on the aldol condensation of succinate semialdehyde and pyruvate.

This document describes biochemical pathways for producing one or more of pimelic acid, 7-aminoheptanoic acid, 7-hydroxyheptanoic acid, heptamethylenediamine and 1,7-heptanediol by forming one or two terminal functional groups, comprised of carboxyl, amine or hydroxyl groups, in a C7 aliphatic backbone substrate produced from succinate semialdehyde or pyruvate. These pathways, metabolic engineering and cultivation strategies described herein rely on the aldol condensation of succinate semialdehyde and pyruvate.

This document describes biochemical pathways for producing 7-hydroxyheptanoate methyl ester and heptanoic acid heptyl ester using one or more of a fatty acid O-methyltransferase, an alcohol O-acetyltransferase, and a monooxygenase, as well as recombinant hosts expressing one or more of such exogenous enzymes. 7-hydroxyheptanoate methyl esters and heptanoic acid heptyl esters can be enzymatically converted to pimelic acid, 7-aminoheptanoate, 7-hydroxyheptanoate, heptamethylenediamine, or 1,7-heptanediol.

This document describes biochemical pathways for producing 7-hydroxyheptanoate methyl ester and heptanoic acid heptyl ester using one or more of a fatty acid O-methyltransferase, an alcohol O-acetyltransferase, and a monooxygenase, as well as recombinant hosts expressing one or more of such exogenous enzymes. 7-hydroxyheptanoate methyl esters and heptanoic acid heptyl esters can be enzymatically converted to pimelic acid, 7-aminoheptanoate, 7-hydroxyheptanoate, heptamethylenediamine, or 1,7-heptanediol.

The present disclosure provides method for isolating a long chain dicarboxylic acid such as a substantially pure or pure long chain dicarboxylic acid from a fermentation broth containing microbial cells.