About the Authors

Michael K. Uhl

Affiliation Austrian Centre of Industrial Biotechnology, Petersgasse 14, 8010, Graz, Austria

Gustav Oberdorfer

Current address: Department of Biochemistry, University of Washington, Seattle, Washington, 98195, United States of America

Affiliations Austrian Centre of Industrial Biotechnology, Petersgasse 14, 8010, Graz, Austria, Institute of Molecular Biosciences, University of Graz, Humboldtstraße 50/3, 8010, Graz, Austria

Georg Steinkellner

Affiliation Austrian Centre of Industrial Biotechnology, Petersgasse 14, 8010, Graz, Austria

Lina Riegler-Berket

Affiliation Institute of Molecular Biosciences, University of Graz, Humboldtstraße 50/3, 8010, Graz, Austria

Daniel Mink

Affiliation DSM Chemical Technology R&D BV - Innovative Synthesis, 6167, Geleen, The Netherlands

Friso van Assema

Current address: NIZO food research BV, 6718 ZB, Ede, The Netherlands

Affiliation DSM Chemical Technology R&D BV - Innovative Synthesis, 6167, Geleen, The Netherlands

Martin Schürmann

Affiliation DSM Chemical Technology R&D BV - Innovative Synthesis, 6167, Geleen, The Netherlands

Karl Gruber

karl.gruber@uni-graz.at

Affiliations Austrian Centre of Industrial Biotechnology, Petersgasse 14, 8010, Graz, Austria, Institute of Molecular Biosciences, University of Graz, Humboldtstraße 50/3, 8010, Graz, Austria

Competing Interests

Three co-authors are employees of the company DSM. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: MKU GO GS DM MS KG. Performed the experiments: MKU GO GS LRB FVA. Analyzed the data: MKU GO GS DM MS KG. Wrote the paper: MKU GO GS DM MS KG.