Summary
The ultrastructural appearance of organic plates lying in the alveoli of a freshwater species ofEuplotes is described and seen to be similar to those previously reported from the marine speciesE. vannus. Enzymatic digestion using pepsin and trypsin indicates that the plates in both species are mainly composed of protein with a fine coating of polysaccharides, as revealed using the Thiéry-technique for polysaccharide staining.
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Böhm, P., Hausmann, K. Cytochemical investigations of the alveolar plates of theEuplotidae (Ciliophora, Hypotrichida) . Protoplasma 106, 309–316 (1981). https://doi.org/10.1007/BF01275561
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DOI: https://doi.org/10.1007/BF01275561