Evonik Degussa Gmbh

Evonik Operations Gmbh

Christoph Schorsch

Steffen Schaffer

Mike Farwick

Eckhard Boles

Heiko Andrea

Mirja Wessel

Tim Köhler

Thomas Haas

Arne Skerra

Oliver Thum

Tim Koehler

Daniel Wolff

Frank Ter Veld

Ludwig Kirmair

Ansgar Poetsch

The invention relates to cells which make rhamnolipids and are genetically modified such that they have a decreased activity, compared to the wild type thereof, of a glucose dehydrogenase and to a method for producing rhamnolipids using the cells according to the invention.

Rhamnolipid-producing cell having reduced glucose dehydrogenase activity

There is provided a microbial cell expressing a mutant AlkB enzyme, the mutant AlkB enzyme comprising at least one point mutation in the wild type sequence of AlkB, wherein the point mutation is at amino acid position V129 and/or T136 of the wild type AlkB enzyme. There is also provided a method for producing omega-hydroxy carboxylic acid and/or ester thereof using this cell.

Microorganism expressing mutant AlkB enzyme and use to prepare omega-hydroxy carboxylic acid and/or ester

The invention relates to genetically modifiedcells, to the use thereof and to a method of producing sphingoid bases and sphingolipids.

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The invention relates to novel enzymes that provide acetylated sphingoid bases.

Acetyltransferase from wickerhamomyces ciferrii

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Frankfurt am Main, Germany

Christoph Schorsch