About the Authors

Mengjin Liu

Affiliations Department of Nutritional Sciences, FrieslandCampina, Amersfoort, The Netherlands, Centre for Molecular and Biomolecular Informatics, Radboud University, Nijmegen, The Netherlands

Bruno Bienfait

Affiliation Molecular Networks GmbH, Erlangen, Germany

Oliver Sacher

Affiliation Molecular Networks GmbH, Erlangen, Germany

Johann Gasteiger

Affiliations Molecular Networks GmbH, Erlangen, Germany, Computer-Chemie-Centrum, University of Erlangen-Nürnberg, Erlangen, Germany

Roland J. Siezen

Affiliation Centre for Molecular and Biomolecular Informatics, Radboud University, Nijmegen, The Netherlands

Arjen Nauta

Affiliation Department of Nutritional Sciences, FrieslandCampina, Amersfoort, The Netherlands

Jan M. W. Geurts

jan.geurts@frieslandcampina.com

Affiliation Department of Nutritional Sciences, FrieslandCampina, Amersfoort, The Netherlands

Competing Interests

Bruno Bienfait and Oliver Sacher are employees of Molecular Networks GmbH owned and managed by Johann Gasteiger. All three persons had been involved in the development of a prototype version of the "Reverse Pathway Engineering" program used for the described study. Presently, no further development and no marketing of the software program is being done. Mengjin Liu, Arjen Nauta and Jan Geurts are employees of FrieslandCampina. All three persons have been involved in developing the "Reverse Pathway Engineering" approach and in the associated bioinformatics analyses. This does not alter the authors′ adherence to all PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: JMWG. Performed the experiments: ML. Analyzed the data: ML BB OS JG RJS. Contributed reagents/materials/analysis tools: BB OS JG. Wrote the paper: ML AN JMWG.