Chlamydomonas

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Chlamydomonas

 

a genus of microscopic unicellular green algae of the class Volvocophyceae. Members of the genus are for the most part motile owing to the presence of two flagella on the anterior end of the body; they have two pulsating vacuoles, a red pigment-bearing corpuscle called an ocellus, and a chloroplast with a pyrenoid. The organisms reproduce by means of isogamy, heterogamy, and occasionally oogamy. The zygote produces zoospores after meiosis.

The genus embraces 300 species, 100 of which are found in the USSR. With rare exceptions they inhabit fresh water, especially polluted water.

References in periodicals archive ?
In the Iceland scallop Chlamys islandica, a decrease in the amount of glycogen in the adductor muscle reduced the number of binding sites for the key glycolytic enzyme glycogen phosphorylase, which may explain this scallop's lower activity levels (Brokordt & Guderley 2004a).
2007) showed that long-term hypoxia depressed the immune response of the scallop Chlamys farreri and simultaneously increased the mortality rate by 20%.
Effect of reproduction on escape responses and muscle metabolic capacities in the scallop Chlamys islandica Muller 1776.