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n. pl. zo·o·chlor·el·lae (-klə-rĕl′ē)
Any of various one-celled green algae that live symbiotically within the cells of aquatic invertebrate organisms such as sponges and sea anemones or within certain protists.
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References in periodicals archive ?
A comparative study of tentacle regeneration and number in symbiotic and aposymbiotic Hydra viridis: effect of zoochlorellae. J.
The plasmodium of the Myxomycetes is so sweet: the eyeless Prorhynchus has the dull color of the born-blind, and its proboscis stuffed with zoochlorellae solicits the oxygen of the Frontoniella antypyretica: he carries his pharynx in a rosette, a locomotive requirement, horned, stupid, and not at all calcareous ...
The temperate intertidal anemone Anthopleura elegantis-sima Brandt, 1835 hosts both dinoflagellates (zooxanthellae of the genus Symbiodinium) and chlorophytes (zoochlorellae; Elliptochloris marina [Letsch et al., 2009]) at levels that vary predictably over both local differences in microhabitat and regional gradients of light, temperature, tidal height, and latitude (Secord and Augustine, 2000; Secord and Muller-Parker, 2005).
Alternatively, heterogeneously distributed or temporally variable intra-host variation in symbiont populations--previously reported for Symbiodinium in tropical corals (Rowan et al, 1997; van Oppen et al, 2001; Ulstrup and Van Oppen, 2003) and anemones (Venn et al, 2008), and for populations of zoochlorellae and zooxanthellae in An-thopleura (Secord and Augustine, 2000)--may have systematically biased our samples, which were taken exclusively from tentacles in spring and summer.
The two anemones host both green algae (zoochlorellae: ZC) and brown dinoflagellates (zooxanthellae: ZX), which allows for baseline comparisons in distributions of the two symbionts.
Dinoflagellate symbionts are commonly called zooxanthellae, and symbiotic green algae are called zoochlorellae. A.
muscatinei; LaJeunesse and Trench, 2000) and green algae (zoochlorellae, Chlorellalike green cells in the phylum Chlorophyta; Muscatine, 1971; O'Brien and Wyttenbach, 1980) are photosynthetic symbionts of these clonal anemones.
elegantissima of several types: specimens having predominately zooxanthellae (dinoflagellates comprising at least two species) or zoochlorellae as symbionts; those containing algal endosymbionts of both kinds, and naturally occurring aposymbiotic specimens that lack the endosymbionts typically found in most specimens.
In addition, a study of the temperate sea anemone Anthopteura etegantissima demonstrated that high temperature (20[degrees]C) decreased zoochlorellae density and had little effect on zooxanthellae (Saunders and Muller-Parker, 1997).
Heterotrophic bacteria, autotrophic cyanobacteria, zoochlorellae, and zooxanthellae are common symbionts in Porifera, where they may actually constitute most of the sponge tissue.
Zoochlorellae divide synchronously within the host cell following host feeding (McAuley, 1982, 1985, 1986); mitosis of digestive cells and their symbiotic algae increases about 12 h after feeding (McAuley, 1982).
The intertidal sea anemone Anthopleura elegantissima contains two symbiotic algae, zoochlorellae and zooxanthellae, in the Northern Puget Sound region.