Arthrospira platensis

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A Microbial Biorealm page on the genus Arthrospira platensis

Classification

Higher order taxa

Domain: Bacteria Phylum: Cyanobacteria Class: Cyanophyceae Order: Oscillatoriales Family: Phormidiaceae

Species

Genus: Arthrospira species: platensis

Arthrospira (Spirulina) platensis; A. platensis

Genome structure

In March 2010, A. platensis became the first filamentous, non-N2-fixing cyanobacterium to have its genome sequenced and published(1). The genome consists of a single, circular chromosome and was found to be 6.8Mb in size with 44.3% G-C cotent(1). There were 6630 protein-coding genes detected, as well as 49 RNA genes, including 2 sets of rRNA genes and 40 tRNA genes(1). When looked at in its entirety, 78% of the species' genes showed similarity to genes with known function in other organisms, while 22% of the genome is made up of unknown genes(1).

Cell structure and metabolism

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

Ecology

Habitat; symbiosis; contributions to the environment.

Pathology

How does this organism cause disease? Human, animal, plant hosts? Virulence factors, as well as patient symptoms.

Current Research

Enter summaries of the most recent research here--at least three required

Cool Factor

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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.

Edited by student of Iris Keren NEUF2011