A changing of the guard Published in: Environ Microbiol 11(3) , 551-3 (Mar 2009) Author(s): Hugenholtz, P., Kyrpides, N. C. DOI: 10.1111/j.1462-2920.2009.01888.x View Publication Share this:Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Twitter (Opens in new window)Click to print (Opens in new window)