Paraglaciecola polaris

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Paraglaciecola polaris
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Bacteria
Kingdom: Pseudomonadati
Phylum: Pseudomonadota
Class: Gammaproteobacteria
Order: Alteromonadales
Family: Alteromonadaceae
Genus: Paraglaciecola
Species:
P. polaris
Binomial name
Paraglaciecola polaris
(Van Trappen et al. 2004) Shivaji and Reddy 2014 [1] [2]
Type strain [3]
ARK 150, CIP 108324, DSM 16457, LMG 21857, R-7215
Synonyms [2]

Glaciecola polaris

Paraglaciecola polaris (syn. Glaciecola polaris) is a strictly aerobic and facultative oligotrophic bacterium from the genus of Paraglaciecola which has been isolated from seawater from the Arctic Ocean. [2] [1] [4] [5] [6]

Contents

Structure

It is gram negative, rod shaped and motile with the distinct characteristics of budding and peritrichous prosthecae. Budding can occur on the surface of the cell and/or on the prosthecae. The presence of the branched prosthecae, has an increased surface to volume ratio, so that it can maximize nutrient uptake, due to the low nutrient availability in the polar seas. Lastly, G. polaris has a fatty acid profile similar to other genera to include Alteromonas, Pseudoalteromonas and Glaciecola. [7]

Genetics

The 16S rRNA gene shows a 98% similarity to Glaciocolamesophila. It has a G+C content of 44.1 mol% and genome size of 5.24 Mb. [8]

Metabolism

The Arctic species can be cultured on Marine agar and R2A agar with NaCl. It grows between 5 °C - 37 °C and up to 10% NaCl. [6] It is chemoheterotrophic and can utilize a number of nutrient sources including, but not limited to, glucose, mannitol, cellobiose, sucrose, maltose, galactose, fructose, trehalose, mannose, acetate, glycogen, dextrin, lactate, propionate, glutamate, and malate In addition, it hydrolyzes egg yolk, starch, aesculin, and DNA, but does not reduce nitrate. [6]

References

  1. 1 2 "Paraglaciecola". LPSN .
  2. 1 2 3 "Paraglaciecola polaris". www.uniprot.org.
  3. ↑ "Paraglaciecola polaris Taxon Passport - StrainInfo". www.straininfo.net.[ permanent dead link ]
  4. ↑ Parker, Charles Thomas; Garrity, George M (1 August 2008). Parker, Charles Thomas; Garrity, George M (eds.). "Taxonomic Abstract for the species". NamesforLife, LLC. doi:10.1601/tx.25820.{{cite journal}}: Cite journal requires |journal= (help)
  5. ↑ "Details: DSM-16457". www.dsmz.de.
  6. 1 2 3 Van Trappen, S; Tan, TL; Yang, J; Mergaert, J; Swings, J (September 2004). "Glaciecola polaris sp. nov., a novel budding and prosthecate bacterium from the Arctic Ocean, and emended description of the genus Glaciecola" (PDF). International Journal of Systematic and Evolutionary Microbiology. 54 (Pt 5): 1765–71. doi: 10.1099/ijs.0.63123-0 . PMID   15388742.
  7. ↑ Van Trappen, S. (2004-09-01). "Glaciecola polaris sp. nov., a novel budding and prosthecate bacterium from the Arctic Ocean, and emended description of the genus Glaciecola". International Journal of Systematic and Evolutionary Microbiology. 54 (5): 1765–1771. doi: 10.1099/ijs.0.63123-0 . ISSN   1466-5026. PMID   15388742.
  8. ↑ Qin, Qi-Long; Xie, Bin-Bin; Yu, Yong; Shu, Yan-Li; Rong, Jin-Cheng; Zhang, Yan-Jiao; Zhao, Dian-Li; Chen, Xiu-Lan; Zhang, Xi-Ying; Chen, Bo; Zhou, Bai-Cheng (2013-11-25). "Comparative genomics of the marine bacterial genusGlaciecolareveals the high degree of genomic diversity and genomic characteristic for cold adaptation". Environmental Microbiology. 16 (6): 1642–1653. doi:10.1111/1462-2920.12318. ISSN   1462-2912. PMID   25009843.


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