Table 1.

Bacterial isolates used in these experiments

StrainPhylogenetic affiliationSite of isolationIsolator(s)Reference
S34 Roseobacter sp. (α-proteobacterium)Sargasso Sea, surfaceN. Adair and S. J. Giovannoni
C250.5-4 Alteromonas sp. (γ-proteobacterium)Sargasso Sea, 250-m depthB. Lanoil
B250-17AHigh-G+C gram-positive bacteriumSargasso Sea, 250-m depthB. Lanoil
R2A-132 Flavobacteriumsp.Oregon coastM. Suzuki 25