1. Center of Marine Biotechnology, University of Maryland Biotechnology Institute, 701 East Pratt Street, Suite 236, Columbus Center, Baltimore, MD 21202, USA, and Biology Department, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA.
2. Climate Research Group, PCB–University of Barcelona, and Department of Ecology, University of Barcelona, 08028 Barcelona, Catalunya, Spain.
3. Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, NY 14853, USA.
4. Center of Marine Biotechnology, University of Maryland Biotechnology Institute, Baltimore, MD 21202, USA, and Department of Cell and Molecular Biology, University of Maryland, College Park, College Park, MD 20742, USA.
5. Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, University of London, London WC1E 7HT, UK.