''Polynucleobacter paneuropaeus'' is an aerobic, facultatively anaerobic, chemo-

organotrophic An organotroph is an organism that obtains hydrogen or electrons from organic substrates. This term is used in microbiology to classify and describe organisms based on how they obtain electrons for their respiration processes. Some organotrophs su ...

, non-motile, free-living

bacterium 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 ...

of the genus ''

Polynucleobacter ''Polynucleobacter'' is a genus of bacteria, originally established by Heckmann and Schmidt (1987) to exclusively harbor obligate endosymbionts of ciliates belonging to the genus '' Euplotes''. Recently, several new ''Polynucleobacter'' species ...

''.LPSN - List of Prokaryotic names with Standing in Nomenclature
/ref> The type strain was isolated from a small acidic lake located in

Norway Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and t ...

. Other strains representing this species were isolated from acidic or circum-neutral lakes and ponds located in

Finland Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of B ...

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...

The Czech Republic The Czech Republic, or simply Czechia, is a landlocked country in Central Europe. Historically known as Bohemia, it is bordered by Austria to the south, Germany to the west, Poland to the northeast, and Slovakia to the southeast. The Cz ...

Austria Austria, , bar, Östareich officially the Republic of Austria, is a country in the southern part of Central Europe, lying in the Eastern Alps. It is a federation of nine states, one of which is the capital, Vienna, the most populous ...

and

France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...

. The northernmost observation of this species was reported for the

Pasvikdalen Pasvikdalen (russian: Долина реки Паз) is a valley in Norway and Russia. The Norwegian side of the valley belongs to Sør-Varanger Municipality in Troms og Finnmark county and the Russian side is located in the Pechengsky District in ...

valley in the

Finnmark Finnmark (; se, Finnmárku ; fkv, Finmarku; fi, Ruija ; russian: Финнмарк) was a county in the northern part of Norway, and it is scheduled to become a county again in 2024. On 1 January 2020, Finnmark was merged with the neighbouri ...

near

Kirkenes Kirkenes (; ; Skolt Sami: ''Ǩeârkknjargg;'' fi, Kirkkoniemi; ; russian: Киркенес) is a List of towns and cities in Norway, town in Sør-Varanger Municipality in Troms og Finnmark county, in the far northeastern part of Norway. The town ...

at a

latitude In geography, latitude is a coordinate that specifies the north– south position of a point on the surface of the Earth or another celestial body. Latitude is given as an angle that ranges from –90° at the south pole to 90° at the north pol ...

of about 69°N, while the southernmost known occurrence was reported for Lake Creno (

Lac de Creno The Lac de Creno ( co, Lavu à Crena) is a small lake in the Monte Rotondo massif in the Corse-du-Sud department of France. Location The Lac de Creno is in the Monte Rotondo massif at an altitude of . It is in the Orto commune of Corse-du-Sud to ...

) at the Mediterranean island

Corsica Corsica ( , Upper , Southern ; it, Corsica; ; french: Corse ; lij, Còrsega; sc, Còssiga) is an island in the Mediterranean Sea and one of the 18 regions of France. It is the fourth-largest island in the Mediterranean and lies southeast of ...

near the village

Soccia Soccia is a commune in the Corse-du-Sud department of France on the island of Corsica. Population See also *Communes of the Corse-du-Sud department An intentional community is a voluntary residential community which is designed to ha ...

at a latitude of about 42°N. The type strain dwells as a free-living, planktonic bacterium in the water column of the lake, thus is part of freshwater

bacterioplankton Bacterioplankton refers to the bacterial component of the plankton that drifts in the water column. The name comes from the Ancient Greek word ' ('), meaning "wanderer" or "drifter", and ', a Latin term coined in the 19th century by Christian G ...

References

{{DEFAULTSORT:Polynucleobacter paneuropaeus Burkholderiaceae Bacteria described in 2019