1. The Center for Bioprocess Engineering Research, University of Cape Town, Cape Town 7700, South Africa
2. Department of Chemical Engineering, University of Cape Town, Cape Town 7700, South Africa
3. The Innovative Genomics Institute at the University of California, Berkeley, California CA94720, United States
4. The Department of Earth and Planetary Science, University of California, Berkeley, California CA94720, United States
5. Environmental Genomics and Systems Biology Division, Lawrence Berkeley National Laboratory, Berkeley, California CA94720, United States
6. The Future Water Institute, University of Cape Town, Cape Town 7700, South Africa
7. The Department of Environmental Science, Policy and Management, University of California, Berkeley, California CA94720, United States