plasticicumulans lactativorans plasticicumulans lactativorans plasticicumulans lactativorans is a polyhydroxybutyrate-accumulating bacterium in the genus plasticicumulans, which has been isolated from a sewage treatment plant in kralingseveer, netherlands. plasticicumulans lactativorans scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: incertae sedis family: incertae sedis genus: plasticicumulans species: p. lactativorans binomial name plasticicumulans lactativoransjiang et al. 2014 type strain dsm 25287, nccb 100398, yd