Ostreococcus
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Ostreococcus is a genus of unicellular coccoid or spherically shaped green algae belonging to the class Mamiellophyceae. It includes prominent members of the global picoplankton community, which plays a central role in the oceanic carbon cycle.
Ostreococcus is a genus of unicellular coccoid or spherically shaped green algae belonging to the class Mamiellophyceae. It includes prominent members of the global picoplankton community, which plays a central role in the oceanic carbon cycle. ==Anatomy== The genus contains the smallest known free-living eukaryotic species, with an average size of 0.8 μm. The ultrastructure of cells in this genus have so far been characterised by remarkable simplicity, being coccoid cells lacking a cell wall and containing a single chloroplast, a single mitochondrion, and a single Golgi body as well as its nucleus. The genome sequence of three members of this genus is available: the 13 Mb nuclear genome of O. tauri RCC4221 published in 20061 and updated 2014; O. lucimarinus CCMP2514 and strain RCC809. The draft metabolic networks of these two Ostreococcus species were reconstructed from the KEGG database, thermodynamically constrained, elementally balanced, and functionally evaluated in 2012. ==References==
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