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Chlamydomonas

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Chlamydomonas

Genus of single-celled green algae considered to be primitive life-forms of evolutionary significance. The cell has a spherical cellulose membrane, an eyespot, and a cup-shaped, pigment-containing chloroplast. Though capable of photosynthesis, Chlamydomonas may also absorb nutrients through the cell surface. It is found in soil, ponds, and ditches polluted by manure. It may colour water green. A red-pigmented species turns melting snow red.



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The researchers harnessed algae of the species Chlamydomonas reinhardtii to transport tiny beads.
In the January 2000 issue of Plant Physiology scientists at the University of California at Berkeley and the National Renewable Energy Laboratory announced that they had found that the absence of sulfur nutrients triggers a "molecular switch" that forces Chlamydomonas reinhardtii, a type of green algae, to significantly increase the amount of hydrogen it produces.
This process uses enzyme systems present in photosynthetic bacteria, cyanobacteria, and green algae such as Chlamydomonas reinhardt.
 
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