Figure 1.
Locations of isolation of the studied Nitrosococcus oceani strains in the Pacific and Atlantic Oceans. Strains labeled with a “C-” were originally collected, enriched, and maintained by Stanley W. Watson (Woods Hole Oceanographic Institute, Woods Hole, MA, USA); strains labeled with a “AFC” were originally collected, enriched, and maintained by Angelo F. Carlucci (Scripps Institution, San Diego, CA, USA).