symbiotic algae

symbiotic algae
Algae (often Chlorella spp.) that live intracellularly in animal cells (eg. endoderm of Hydra viridis ). The relationship is complex, because lysosomes do not fuse with the vacuoles containing the algae, and the growth rates of both cells are regulated to maintain the symbiosis. There is considerable strain-specificity. The term is imprecise, since there are many other symbiotic algae (as in lichens) where the relationship is different.

Dictionary of molecular biology. 2004.

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