Tags: Bacteria.
In taxonomy Roseobacter is a genus of the Rhodobacteraceae. The Roseobacter clade falls within the alpha-3 subclass of the class Proteobacteria. The first strain descriptions appeared in 1991 which described members Roseobacter litoralis and Roseobacter denitrificans both pink-pigmented bacteriochlorophyll a-producing strains isolated from marine algae. The role members of the Roseobacter lineage play in marine biogeochemical cycles and climate change cannot be overestimated.