''Polaromonas'' is a genus of

Gram-negative Gram-negative bacteria are bacteria that do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation. They are characterized by their cell envelopes, which are composed of a thin peptidoglycan cell wall ...

bacteria Bacteria (; singular: bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria were among ...

from the family

Comamonadaceae The Comamonadaceae are a family of the Betaproteobacteria.Willems A., J. De Ley, M. Gillis, and K. Kersters. ''Comamonadaceae, a New Family Encompassing the Acidovorans rRNA Complex, Including Variovorax paradoxus gen. nov.,comb. nov. for Alcali ...

. ''Polaromonas'' species are

psychrophile Psychrophiles or cryophiles (adj. ''psychrophilic'' or ''cryophilic'') are extremophilic organisms that are capable of growth and reproduction in low temperatures, ranging from to . They have an optimal growth temperature at . They are found in ...

s.Ciok ''et al.''
"Plasmids of Psychrotolerant ''Polaromonas'' spp. Isolated From Arctic and Antarctic Glaciers – Diversity and Role in Adaptation to Polar Environments"
''Frontiers in Microbiology'', 2018

References

Comamonadaceae Bacteria genera {{Betaproteobacteria-stub