Query: NC_016111:3486000 Streptomyces cattleya NRRL 8057, complete genome Lineage: Streptomyces cattleya; Streptomyces; Streptomycetaceae; Actinomycetales; Actinobacteria; Bacteria General Information: Streptomyces cattleya, a producer of the antibiotics thienamycin and cephamycin C, is one of the rare bacteria known to synthesize fluorinated metabolites. Gram-positive bacterium originally isolated from soil. The bacterium Streptomyces cattleya has become an organism of interest due to its ability to produce various antibiotics (thienamycin, cephamycin C, penicillin N) and to excrete the fluorinated antibiotic 4-fluorothreonine when cultivated in the presence of fluorine.
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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.