rhodococcus rhodochrous rhodococcus rhodochrous rhodococcus rhodochrous is a bacterium used as a soil inoculant in agriculture and horticulture. rhodococcus rhodochrous scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: mycobacteriales family: nocardiaceae genus: rhodococcus species: r. rhodochrous binomial name rhodococcus rhodochrous(zopf 1891) tsukamura 1974 (approved lists 1980) it is gram positive, in the shape of rods/cocci, oxidase negative, and catalase positive. it is industrially produced to catalyse acrylonitrile conversion to acrylamide. it is also used in the industrial production of nicotinamide (niacinamide), a derivative or active form of niacin, part of the b vitamin complex. a 2015 study showed that rhodococcus rhodochrous could inhibit the growth of pseudogymnoascus destructans, the fungal species responsible for white nose syndrome in bats.