Query: NC_014761:1981435 Oceanithermus profundus DSM 14977 chromosome, complete genome Lineage: Oceanithermus profundus; Oceanithermus; Thermaceae; Thermales; Deinococcus-Thermus; Bacteria General Information: Environment: Deep sea, Hydrothermal vent, Marine; Temp: Thermophile; Temp: 60C; Isolation:deep sea hot vent Pacific Ocean: East Pacific Rise. Oceanithermus profundus is a moderate thermophile originally isolated from a hydrothermal vent in the Pacific Ocean.
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General Information: This strain was isolated from a culture of the dinoflagellate Pfiesteria piscicida CCMP1830 which has been implicated in many large scale algal blooms resulting in increased mortality in fish. The bacteria are attached to the surface of the dinoflagellate and in some ways allow the dinoflagellate to grow as those lacking the bacteria die off. The bacterium also chemotaxes towards the dinoflagellate product DMSP (dimethylsulfoniopropionate) and metabolizes it. DMSP is a major source of sulfur in marine ecosystems and plays a role in the sulfur biogeochemical cycle. The implication is a tight association between these important dinoflagellates and this marine bacterium.