Polynucleobacter difficilis

Polynucleobacter difficilis is an aerobic, catalase- and oxidase-positive, chemo-organotrophic, nonmotile, freshwater bacterium of the genus Polynucleobacter, isolated from the Lake Sevan from a depth of 60 m in Armenia.^[2][3][4]

Polynucleobacter difficilis
Scientific classification
Domain:	Bacteria
Phylum:	Pseudomonadota
Class:	Betaproteobacteria
Order:	Burkholderiales
Family:	Burkholderiaceae
Genus:	Polynucleobacter
Species:	P. difficilis
Binomial name
Polynucleobacter difficilis Hahn et al. 2012[1]