Roquette Freres

Corbion Biotech, Inc.

Sophie Defretin

Bernard Pora

Jie Zhou

Markus Schwab

Tania Gerard

Friederike Thor

Arnaud Heysen

Sumire Honda Malca

Yiming Chang

Melanie Diefenbacher

Astrid Schaefer

Bernard Boursier

Laurent Segueilha

Gabriel Macquart

Xavier Vandewalle

Damien Raeckelboom

Elsa Ostermann

Brigitte Delelis

Mathieu Cossart

The present invention relates to a recombinant microbial host for the production of xylitol, the recombinant microbial host containing a nucleic acid sequence encoding a NAD-specific D-arabitol 4-oxidoreductase (EC 1.1.1.11) using D-arabitol as substrate and producing D-xylulose as product, and a nucleic acid sequence encoding a NADPH-specific xylitol dehydrogenase using D-xylulose as substrate and producing xylitol as product.

Production of xylitol from glucose by a recombinant strain

The present invention relates to a recombinant microbial host for the production of xylitol, the recombinant microbial host containing a nucleic acid sequence encoding an NAD+-specific D-arabitol 4-oxidoreductase (EC 1.1.1.11) using D-arabitol as substrate and producing D-xylulose as product, and a nucleic acid sequence encoding an NADPH-specific xylitol dehydrogenase using D-xylulose as substrate and producing xylitol as product.

The invention relates to a novel strain ofsp. that can produce large quantities of squalene, the methods for the production of lipid compounds of interest using said strain and the products and compositions prepared with said strain.

Strain of microalga that produces squalene

The present invention relates to a strain ofcapable of producing turanose and mutants of said strain. Methods of producing turanose utilizing the disclosed strains ofare also provided.

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The invention concerns a carbon-containing additive for food fermenting agents characterized in that it comprises branched maltodextrins having between 15 and 35% of 1&rarr;6 glucosidic bonds, a reducing sugars content less than 20%, a polymolecularity index less than 5 and a number average molecular mass Mn equal to at most 4,500 g/mole. It also concerns fermented food compositions containing the said additive as well as the process for preparing these fermented food compositions.

Carbon-containing additive for foodstuff fermentations and food compositions containing it

The present invention relates to a process for the production of 1,3-propanediol by the fermentation of a 1,3-propanediol-producing microorganism in a fermentation medium containing glucose, characterized in that the fermentation is carried out without mechanical agitation, with the maintenance of an air retention greater than or equal to 50%, expressed as the volume of gas relative to the total volume of the liquid phase of the fermentation medium, and with the maintenance of a high cell density and a microorganism viability value, determined by a test A, greater than or equal to 95%, preferably of between 95 and 99%, by controlling frothing in the fermentation medium.

Process for the production of 1,3-propanediol by fermentation

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Bethune, France

Sophie Defretin