Marinomonas artica

This student page has not been curated.

Legend. Image credit: Name or Publication.

Classification

Bacteria; Pseudomonadota; Gammaproteobacteria; Oceanospirillales; Oceanospirillaceae; Marinomonass [Others may be used. Use NCBI link to find]

Species

NCBI: [1]

Marinomonas artica

Description and Significance

Marinomonas artica is a gram-negative, rod-shaped, and novel psychrotolerant bacteria that was first isolated from sea-ice just off the Canadian Basin of the Artic Ocean.

Psychrotolerant organisms like Marinomonas artica, are able to thrive in cold environments, degrading organic material and releasing necessary nutrients into the environment. They are also a great model organism to study to further our knowledge about psychrotolerant organisms, and just how they operate and survive in these harsh conditions.

Genome Structure

Describe the size and content of the genome. How many chromosomes? Circular or linear? Other interesting features? What is known about its sequence?

- 4.5 Mb - 1 chromosome

[still searching for info on]

Cell Structure, Metabolism and Life Cycle

Interesting features of cell structure; how it gains energy; what important molecules it produces.

- Marinomonas artica is a single rod-shaped cell with a flagella that makes it motile

-demonstrated an ability to utilize a comparatively wide range of carbon compounds as the sole source of carbon and energy compared with those utilized by its phylogenetic relatives.

Grows aerobically and produces catalase and cytochrome oxidase

-The following substrates are utilized as sole carbon sources: glucose, mannitol, d-mannose, sucrose, d-sorbitol, d-arabinose, l-rhamnose, maltose, fructose, d-galactose, erythritol, melibiose, glycerol, cellobiose, raffinose, xylose, melezitose, trehalose, l-proline, l-alanine, l-histidine, gluconate, malate and phenylacetic acid

-It possessed phosphatidylethanolamine and phosphatidylglycerol as major phospholipids

Ecology and Pathogenesis

Habitat; symbiosis; biogeochemical significance; contributions to environment.<be>

- icy and low-temperature environments

- can survive high salinity environments

- degrades organic materials so it can be taken up by smaller bacteria and organisms

- nothing found on symbiosis yet

- not much understood about their ecological role yet

- does not reduce nitrate or produce hydrogen sulfide

Marinomonas artica has not been show to cause disease.

References

[Sample reference] Takai, K., Sugai, A., Itoh, T., and Horikoshi, K. "Palaeococcus ferrophilus gen. nov., sp. nov., a barophilic, hyperthermophilic archaeon from a deep-sea hydrothermal vent chimney". International Journal of Systematic and Evolutionary Microbiology. 2000. Volume 50. p. 489-500.

Chunming, D., Xiuhua, B., Qiliang, L., Yarong, X., Xin, C., and Zongze, S. "Draft Genome Sequence of Marinomonas sp. Strain D104, a polycyclic Aromatic Hydrocarbon-Degrading Bacterium from the Deep-Sea Sediment of the Artic Ocean." American Society for Microbiology Journals. (2014). https://doi.org/10.1128/genomeA.01211-13

Yong, Y., Huirong, L., Yinxin, Z., and Bo, C. "Extracellular enzymes of cold-adapted bacteria from Artic sea ice, Canada Basin". Polar Biol. 32, 1539–1547 (2009). https://doi.org/10.1007/s00300-009-0654-x

Zhang DC, Li HR, Xin YH, Liu HC, Chen B, Chi ZM, Zhou PJ, Yu Y. Marinomonas arctica sp. nov., a psychrotolerant bacterium isolated from the Arctic. Int J Syst Evol Microbiol. 2008 Jul;58(Pt 7):1715-8. doi: 10.1099/ijs.0.65737-0. PMID: 18599722.

https://bacdive.dsmz.de/strain/134354 [figuring out how to cite]

Author

Page authored by Holly Stogner, student of Prof. Bradley Tolar at UNC Wilmington.