AUTHOR=Machado Daniel , Zhuang Kai H. , Sonnenschein Nikolaus , HerrgÄrd Markus J. TITLE=Editorial: Current Challenges in Modeling Cellular Metabolism JOURNAL=Frontiers in Bioengineering and Biotechnology VOLUME=3 YEAR=2015 URL=https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2015.00193 DOI=10.3389/fbioe.2015.00193 ISSN=2296-4185