1. Department of Biological Sciences, Marine and Environmental Biology, University of Southern California, Los Angeles, CA 90089, USA
2. Department of Physical Sciences, Virginia Institute of Marine Science, Gloucester Point, VA 23062, USA
3. Microbial and Environmental Genomics, J. Craig Venter Institute, La Jolla, CA 92037, USA
4. Integrative Oceanography Division, Scripps Institution of Oceanography, UC San Diego, La Jolla, CA 92037, USA
5. State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, Fujian 361102, PR China
6. College of Marine and Environmental Sciences, Tianjin University of Science and Technology, Tianjin 300457, PR China