Polaribacter

rdf:langString Polaribacter

rdf:langString Polaribacter

rdf:langString Polaribacter

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rdf:langString May 2022

rdf:langString Polaribacter

rdf:langString Gosink et al. 1998

rdf:langString citation does not refer to degradation of HMW DOM

rdf:langString P. dokdonensis

rdf:langString P. pacificus

rdf:langString P. porphyrae

rdf:langString P. aestuariivivens

rdf:langString P. haliotis

rdf:langString P. litorisediminis

rdf:langString P. glomeratus

rdf:langString P. aquimarinus

rdf:langString P. atrinae

rdf:langString P. butkevichii

rdf:langString P. filamentus

rdf:langString P. franzmannii

rdf:langString P. gangjinensis

rdf:langString P. huanghezhanensis

rdf:langString P. insulae

rdf:langString P. irgensii

rdf:langString P. lacunae

rdf:langString P. marinaquae

rdf:langString P. marinivivus

rdf:langString P. reichenbachii

rdf:langString P. sejongensis

rdf:langString P. septentrionalilitoris

rdf:langString P. staleyi

rdf:langString P. tangerinus

rdf:langString P. undariae

rdf:langString P. vadi

rdf:langString Polaribacter filamentus

rdf:langString Polaribacter is a genus in the family Flavobacteriaceae. They are gram-negative, aerobic bacteria that can be heterotrophic, psychrophilic or mesophilic. Most species are non-motile and species range from ovoid to rod-shaped. Polaribacter forms yellow- to orange-pigmented colonies. They have been mostly adapted to cool marine ecosystems, and their optimal growth range is at a temperature between 10 and 32 °C and at a pH of 7.0 to 8.0. They are oxidase and catalase-positive and are able to grow using carbohydrates, amino acids, and organic acids. There is evidence of two life strategies for members of the genus, Polaribacter. Some Polaribacter species are free-living and consume amino acids and carbohydrates, as well as have proteorhodopsin that enhances living in oligotrophic seawaters. Other species of Polaribacter attach to substrates in search of protein polymers. In the context of climate change, algal blooms are becoming increasingly prevalent. Members of the genus Polaribacter decompose algal cells and thus may be important in biogeochemical cycling, as well as influence seawater chemistry and the composition of microbial communities as temperatures continue to rise. This may impact the efficiency of the biological pump in sequestering atmospheric carbon. Polaribacter is a genus that is being continuously researched and to date there are 25 species that have been validly published under the International Code of Nomenclature of Prokaryotes (ICNP): , P. atrinae, , , P. filamentus, P. franzmannii, , , , , , P. irgensii, P. lacunae, , , , , , , , P. septentrionalilitoris, , , , P. vadi. The genus is sometimes incorrectly referred to as Polaribacer; Polarobacter or Polaribacteria.

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