1. Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California, USA
2. B CUBE Center for Molecular Bioengineering, Technische Universität Dresden, Dresden, Germany
3. Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, California, USA
4. Institute of Microbiology, ETH Zurich, Zurich, Switzerland
5. Division of Geological and Planetary Science, California Institute of Technology, Pasadena, California, USA