imhoffiella purpurea imhoffiella purpurea imhoffiella purpurea is a gram-negative, phototrophic and motile bacterium from the genus of imhoffiella which has been isolated from coastal water from visakhapatnam in india. imhoffiella purpurea scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: chromatiales family: chromatiaceae genus: imhoffiella species: i. purpurea binomial name imhoffiella purpureanupur et al. 2017 type strain jcm 18851, kctc 15575, mtcc 12304, strain ak35