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Chlamydomonas (/ ˌ k l æ m ɪ ˈ d ɒ m ə n ə s,-d ə ˈ m oʊ-/ KLAM-ih-DOM-ə-nəs, -də-MOH-) is a genus of green algae consisting of about 150 species [2] of unicellular flagellates, found in stagnant water and on damp soil, in freshwater, seawater, and even in snow as "snow algae". [3]
Chlamydomonas reinhardtii is a single-cell green alga about 10 micrometres in diameter that swims with two flagella. It has a cell wall made of hydroxyproline -rich glycoproteins , a large cup-shaped chloroplast , a large pyrenoid , and an eyespot apparatus that senses light.
Schematic representation of a Euglena cell with red eyespot (9) Schematic representation of a Chlamydomonas cell with chloroplast eyespot (4). The eyespot apparatus (or stigma) is a photoreceptive organelle found in the flagellate or (motile) cells of green algae and other unicellular photosynthetic organisms such as euglenids.
The name Chlamydomonas nivalis is of compound Greek and Latin origin. Chlamydomonas is ultimately derived from the Ancient Greek χλαμύς (khlamús, "cloak, mantle") and μονάς (monás, "solitary"), [8] while nivalis, from the Latin nivālis, translates to 'found growing in or near snow', as this species of algae are only found associated with snow or near snowy areas.
Chlamydomonas moewusii exhibits a unique type of motion propelled by its two flagella. This motility is essential for various biological processes, including navigation towards light sources for photosynthesis, finding optimal environmental conditions, and locating nutrients.The motion of C. moewusii is primarily characterized by a type of ...
The D66 strain of Chlamydomonas reinhardtii has been genetically engineered with no cell wall in order to increase the strain's growth and photosynthesis rates. [1] The technique of genetically engineering green algae to increase oil production for biofuels is becoming increasingly more prevalent around the United States.
Chlamydomonas elegans is a species of freshwater green algae. It is commonly found in rainwater pools and other small, temporary bodies of water. [2] Chlamydomonas elegans is a unicellular organism with ellipsoidal-ovoid cells, which are usually flattened on one side, and rounded at the ends. Cell bodies are 23–30 μm long and 13–15 μm wide.
Chlamydomonas nivalis, responsible for the red colouration of snow in some regions (watermelon snow). [17] Snow algae undergo oxygenic photosynthesis and are primary producers on the snow. This allows other organisms to live on the snow along with the algae and feed on them to obtain energy.