Rahat, M. & V. Reich, 1989. Symbiococcum hydrae gen. et sp. nov. (Chlorosarcinales, Chlorophyta): an endosymbiotic green algae from cells of the Japanese Hydra magnipapillata (Coelenterata). Phycologia 28 2: 181-187.

26065

Rahat, M.; Reich, V.

1989

28(2): 181-187

Publication

A new genus and species, SYMBIOCOCCUM hydrae, is described from the Japanese Hydra magnipapillata. These algae live as facultative endocytosymbionts in vacuoles of the hydra's endodermal cells and have been isolated and cultured in vitro. Their morphology and mode of reproduction places these algae in the Chlorosarcinales. They possess a single cup-shaped parietal chloroplast, one pyrenoid and they store many starch grains. The cell wall in the symbiotic in vivo growing S. hydrae is conspicuously thick as compared with the same algae growing in vitro. S. hydrae cells do not form zoospores and were found to be obligate photoheterotrophs. figs. 1-9. (vi.1989).

Physiology

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