NOVEL MICROBES,
NOVEL ECOLOGIES
1988:  Prochlorococcus (Chisholm)
1992:  pelagic Archaea (DeLong/Fuhrman)
2000:  rhodopsin-containing
photoheterotrophs (Béjà and DeLong)
2000:  rediscovery of anaerobic anoxygenic
phototrophs (Kolber and Falkowski)
2002:  SAR 11 (Rappé and Giovannoni)
2002 and beyond:  ??