Dyadobacter jiangsuensis is a Gram-negative, orange-pigmented bacterium in the family Cytophagaceae, first isolated from soil samples in Jiangsu Province, China. It is aerobic, rod-shaped, and non-motile, with the capacity to degrade polysaccharides in its soil environment. The genus Dyadobacter is part of the diverse Bacteroidetes phylum widely distributed in terrestrial and freshwater habitats.