TABLE 1.

Representation of Roseobacter sequences in quantitative 16S rRNA gene clone libraries from seawater

LocationDepth (m)No. of clone sequences% Roseobacter sequencesReference
Pacific Ocean<1016696
Sargasso Sea1014032
Coastal Pacific Ocean (California)1071026
Sargasso Sea2422477
Coastal Pacific Ocean (Oregon)10587108
Coastal North Atlantic Ocean (France)<10511811
Mediterranean Sea (France)<10501211
Coastal North Atlantic Ocean (North Carolina)101122188
Coastal North Atlantic Ocean (Long Island Sound)<10171833
Coastal Pacific Ocean (California)<10162533
Western Mediterranean Sea; free livingVarious12021
Coastal Pacific Ocean and Estuary (Washington)101890.423
VariousVarious6601636
Coastal North Sea (German Bay)1541.927
Coastal Pacific Ocean (Oregon)10511089
Coastal North Atlantic Ocean (Long Island Sound)<1126056
Antarctic Polar Front3,00015065
Changjiang Estuary (China)Various2411997
Coastal Caribbean Sea; coral reef tracts<1065630
Black SeaVarious3811116
Coastal North Atlantic Ocean (Massachusetts)<102,04042
Coastal North Atlantic (Portugal)01982548
Coastal Pacific Ocean (California)aVarious27,84027107
Sargasso Sea; seven librariesb<102,3281.7115
Coastal North Atlantic Ocean (Georgia)<1079417W. B. Whitman et al., unpublished datac