The present invention relates to the field of biochemistry, specifically to the bioproduction of glycolate. Host cells, especially cyanobacteria of the genus Synechocystis, are modified in several ways to increase extracellular glycolate, including: mutant Rubisco enzymes, overexpression of phosphoribulokinase (PRK) or phosphoglycolate phosphatase (PGP), a permease to export glycolate, like GIcA, or by reduction of the capacity to metabolize glycolate due to reduced or eliminated glycolate dehydrogenase, glycolate oxidase activity and/or lactate dehydrogenase.

The invention relates to a recombinant yeast comprising a nucleotide sequence allowing the expression of a glucoamylasey (EC 3.2.1.20 or 3.2.1.3). This cell can be used for the production of ethanol and advantageously produces little or no glycerol.

The present disclosure provides recombinant microorganisms and methods for the anaerobic production of 2,4-furandicarboxylic acid from one or more carbon sources. The microorganisms and methods provide redox-balanced and ATP positive pathways for co-producing 2,4-furandicarboxylic acid with ethanol and for co-producing 2,4-furandicarboxylic acid with ethanol and 1-propanol. The method provides recombinant microorganisms that express endogenous and/or exogenous nucleic acid molecules encoding polypeptides that catalyze the conversion of a carbon source into 2,4-furandicarboxylic acid and that coupled the 2,4-furandicarboxylic acid pathway with an additional metabolic pathway.

The invention relates to a recombinant cell, preferably a yeast cell comprising: a) one or more heterologous genes encoding a glycerol dehydrogenase activity; b) one or more genes encoding a dihydroxyacetone kinase (E.C. 2.7.1.28 and/or E.C. 2.7.1.29); c) one or more heterologous genes encoding a ribulose-1,5-biphosphate carboxylase oxygenase (EC 4.1.1.39, RuBisCO); and d) one or more heterologous genes encoding a phosphoribulokinase (EC 2.7.1.19, PRK); and optionally e) one or more heterologous genes encoding for a glycerol transporter, wherein the recombinant yeast comprises overexpression of one or more PPP-genes. This cell can be used for the production of ethanol and advantageously produces little or no glycerol.

The invention relates to a recombinant yeast cell, in particular a transgenic yeast cell, functionally expressing one or more recombinant, in particular heterologous, nucleic acid sequences encoding ribulose-1,5-biphosphate carboxylase oxygenase (Rubisco) and phosphoribulokinase (PRK). The invention further relates to the use of carbon dioxide as an electron acceptor in a recombinant chemotrophic micro-organism, in particular a eukaryotic micro-organism.

The present invention provides a method of creating a recombinant microorganism for manufacturing a fermentation product, comprising: providing a carbon fixing module; and providing a fermentation product producing module. Wherein the carbon fixing module comprises (a) providing the recombinant microorganism with knocking out an enzyme coding gene, and (b) providing a carbon dioxide to a ribulose-1,5-bisphosphate carboxylase/oxygenase and a phosphoribulokinase, and the fermentation product producing module comprises (c) a pyruvate only reacted with a pyruvate converting enzyme to produce the carbon dioxide. Furthermore, the present invention also provides a method of manufacturing the fermentation product, comprising utilizing aforementioned recombinant microorganism perform a fermentation process. The recombinant microorganism for manufacturing the fermentation product produced according to aforementioned method is also provided in the present invention.

The invention relates to a recombinant cell, preferably a yeast cell comprising: a) one or more heterologous genes encoding a glycerol dehydrogenase activity; b) one or more genes encoding a dihydroxyacetone kinase (E.C. 2.7.1.28 and/or E.C. 2.7.1.29); c) one or more heterologous genes encoding a ribulose-1,5-biphosphate carboxylase oxygenase (EC 4.1.1.39, RuBisCO); and d) one or more heterologous genes encoding a phosphoribulokinase (EC 2.7.1.19, PRK); and optionally e) one or more heterologous genes encoding for a glycerol transporter. This cell can be used for the production of ethanol and advantageously produces little or no glycerol.

The invention relates to a recombinant yeast comprising a nucleotide sequence allowing the expression of a glucoamylasey (EC 3.2.1.20 or 3.2.1.3). This cell can be used for the production of ethanol and advantageously produces little or no glycerol.

The invention concerns a genetically modified microorganism expressing a functional type I or II RuBisCO enzyme and a functional phosphoribulokinase (PRK), and in which the glycolysis pathway is at least partially inhibited, said microorganism being genetically modified so as to produce an exogenous molecule and/or to overproduce an endogenous molecule. According to the invention, the oxidative branch of the pentose phosphate pathway may also be at least partially inhibited. The invention also concerns the use of such a genetically modified microorganism for the production or overproduction of a molecule of interest and processes for the synthesis or bioconversion of molecules of interest.

The present invention describes a recombinant yeast cell functionally expressing one or more heterologous nucleic acid sequences encoding for ribulose-1,5-phosphate carboxylase/oxygenase (EC4.1.1.39; Rubisco), and optionally one or more molecular chaperones for Rubisco, and one or more phosphoribulokinase (EC2.7.1.19; PRK), wherein the phosphoribulokinase is under control of a promoter (the PRK promoter) that enables higher expression under anaerobic conditions than under aerobic conditions.