Roseovarius nubinhibens ISM

Ecology and Physiology

Roseovarius nubinhibens ISM was isolated from surface waters of the Caribbean Sea on seawater supplemented with peptone and Casamino acids (Furhman et al. 1994, González et al. 2003). Although isolated non-selectively, this organism was discovered to mediate organic sulfur transformations known to be important in the ocean. Like other Roseobacter relatives, R. nubinhibens can degrade the algal osmolyte dimethylsulfoniopropionate (DMSP) to dimethylsulfide (DMS), a gas that readily escapes from ocean surface waters to play a role in global climate regulation through cloud formation and backscatter of solar radiation (Simo 2001). This Roseobacter group member can also demethylate/demethiolate DMSP to methanethiol, the initial steps in a pathway the leads to methionine and other sulfur-containing biomolecules within the cell.

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General features of the Roseovarius nubinhibens ISM
Feature
Total number of coding sequences	3,547
G + C content (%)	63.0
Est. Genome size (bp)	3,668,667
% Coding	89.0
Sequence status	Draft