''Polynucleobacter paneuropaeus'' is an

aerobic Aerobic means "requiring air," in which "air" usually means oxygen. Aerobic may also refer to * Aerobic exercise, prolonged exercise of moderate intensity * Aerobics, a form of aerobic exercise * Aerobic respiration, the aerobic process of cellu ...

, 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 s ...

, non-motile, free-living

bacterium Bacteria (; : 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 the ...

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 countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. The remote Arctic island of Jan Mayen and the archipelago of Svalbard also form part of the Kingdom of ...

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

Finland Finland, officially the Republic of Finland, is a Nordic country in Northern Europe. It borders Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of Bothnia to the west and the Gulf of Finland to the south, ...

Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...

The Czech Republic The Czech Republic, also known as Czechia, and historically known as Bohemia, is a landlocked country in Central Europe. The country is bordered by Austria to the south, Germany to the west, Poland to the northeast, and Slovakia to the south ...

Austria Austria, formally the Republic of Austria, is a landlocked country in Central Europe, lying in the Eastern Alps. It is a federation of nine Federal states of Austria, states, of which the capital Vienna is the List of largest cities in Aust ...

and

France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...

. The northernmost observation of this species was reported for the

Pasvikdalen Pasvikdalen () is a valley in Norway and Russia. The Norwegian side of the valley belongs to Sør-Varanger Municipality in Finnmark county and the Russian side is located in the Pechengsky District in Murmansk Oblast. The valley contains large ar ...

valley in the

Finnmark Finnmark (; ; ; ; ) is a counties of Norway, county in northern Norway. By land, it borders Troms county to the west, Finland's Lapland (Finland), Lapland region to the south, and Russia's Murmansk Oblast to the east, and by water, the Norweg ...

near

Kirkenes (Norwegian language, Norwegian; ), (Northern Sami language, Northern Sami; , or is a List of towns and cities in Norway, town in Sør-Varanger Municipality in Finnmark county, in the far northeastern part of Norway. The town lies on a peninsu ...

at a

latitude In geography, latitude is a geographic coordinate system, geographic 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 t ...

of about 69°N, while the southernmost known occurrence was reported for Lake Creno ( Lac de Creno) at the Mediterranean island

Corsica Corsica ( , , ; ; ) is an island in the Mediterranean Sea and one of the Regions of France, 18 regions of France. It is the List of islands in the Mediterranean#By area, fourth-largest island in the Mediterranean and lies southeast of the Metro ...

near the village Soccia 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 "wandering" or "drifting", and , a Latin term coined in the 19th century by Christian Got ...

References

{{DEFAULTSORT:Polynucleobacter paneuropaeus Burkholderiaceae Bacteria described in 2019