Quatrionicoccus

{{Short description|Genus of bacteria}}

{{Italic title}}

{{Taxobox

| name = Quatrionicoccus

| domain = Bacteria

| phylum = Pseudomonadota

| classis = Betaproteobacteria

| ordo = Rhodocyclales

| familia = Rhodocyclaceae

| genus = Quatrionicoccus

| genus_authority = Maszenan et al. 2002[https://lpsn.dsmz.de/genus/quadricoccus LSPN lpsn.dsmz.de]

| type_species = Quatrionicoccus australiensis

| subdivision_ranks = Species

| species = Quatrionicoccus australiensis

}}

Quatrionicoccus (also known as its synonym Quadricoccus) is a genus of gram-negative, oxidase-negative, catalase-positive, aerobic, non-spore-forming, non-motile bacteria from the family of Rhodocyclaceae which belongs to the class of Betaproteobacteria.International Journal of Systematic and Evolutionary Microbiology [http://ijs.sgmjournals.org/content/52/1/223.full.pdf][https://www.uniprot.org/taxonomy/1065485 UniProt] So far there is only on species of this genus known (Quatrionicoccus australiensis).{{cite journal| pmid=11858148 | doi=10.1099/00207713-52-1-223 | volume=52 | title=Quadricoccus australiensis gen. nov., sp. nov., a beta-proteobacterium from activated sludge biomass | year=2002 | journal=Int J Syst Evol Microbiol | pages=223–8 | last1 = Maszenan | first1 = AM | last2 = Seviour | first2 = RJ | last3 = Patel | first3 = BK | last4 = Schumann | first4 = P| issue=Pt 1 | doi-access = free }}