Haliangium ochraceum: Difference between revisions

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==Ecology and Pathogenesis==
==Ecology and Pathogenesis==


The habitat for Haliangium ochraceumis a marine, coastal, sand. The temperature range at which this microorganism exists is at 30 to 35 degrees.
The habitat for Haliangium ochraceum is a marine, coastal, sand. The temperature range at which this microorganism exists is at 30 to 35 degrees.
 
Haliangium ochraceum has not been known to cause any disease within animals, plants, or humans. However, this microorganism is being researched for its ability to become a antifungal metabolite and antibiotic. Haliangicin is a beta-methoxyacrylate-type polyene antibiotic isolated from the unique marine myxobacterium Haliangium ochraceum. A further investigation of the extract of this microorganism has resulted in the isolation of haliangicin as well as its geometrical isomers.[Kundim,B.A., et.al] The major isomer, cis-haliangicin, is a cis isomer of the epoxide portion of haliangicin.[Kundim,B.A., et.al]
 
 
 





Revision as of 17:55, 1 April 2010

Classification

Bacteria, Proteobacteria, subdivisions: deltaproteobacteria, Myxococcales, Nannocystineae, Haliangiaceae, Haliangium, Haliangium ochraceum

Species

NCBI: Taxonomy

Genus species: Halangium ochraceum DSM 14365, Halangium ochraceum SMP-2

Description and Significance

Describe the appearance, habitat, etc. of the organism, and why you think it is important.

Genome Structure

Haliangium ochraceum is an aerobic, obligate halophilic Gram-negative myxobacterium isolated from seaweed collected from a sandy beach in Kanagawa, Japan. Myxobacteria are unicellular bacteria that are characterized by complicated multicellular behaviors, such as feeding, social movement, aggregation, and fruiting body formation, which make them highly unusual.

Properties: Presence of flagella: Yes Human pathogen: No Interaction: No Number of membranes: 2 Number of inteins:0


(1.2 to 1.8 μm in diameter)

Cell Structure, Metabolism and Life Cycle

The cell structure for this microorganism is 0.5 to 0.6 um in length and 3 to 8 um in diameter. It is yellow in color, rod-shaped, motile, and is able to do sporulation for reproduction.

Haliangium ochraceum is a chemoorganotroph, it gains its energy through organic chemical processes.








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

Ecology and Pathogenesis

The habitat for Haliangium ochraceum is a marine, coastal, sand. The temperature range at which this microorganism exists is at 30 to 35 degrees.

Haliangium ochraceum has not been known to cause any disease within animals, plants, or humans. However, this microorganism is being researched for its ability to become a antifungal metabolite and antibiotic. Haliangicin is a beta-methoxyacrylate-type polyene antibiotic isolated from the unique marine myxobacterium Haliangium ochraceum. A further investigation of the extract of this microorganism has resulted in the isolation of haliangicin as well as its geometrical isomers.[Kundim,B.A., et.al] The major isomer, cis-haliangicin, is a cis isomer of the epoxide portion of haliangicin.[Kundim,B.A., et.al]



Habitat; symbiosis; biogeochemical significance; contributions to environment.
If relevant, how does this organism cause disease? Human, animal, plant hosts? Virulence factors, as well as patient symptoms.

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.

Author

Page authored by Alyse Egner and Melissa Erickson, students of Prof. Jay Lennon at Michigan State University.