The Flocculation of Suspended Matter by Paramecium caudatum
- 1 December 1963
- journal article
- research article
- Published by Microbiology Society in Journal of General Microbiology
- Vol. 33 (3) , 357-363
- https://doi.org/10.1099/00221287-33-3-357
Abstract
Paramecium caudatum has been shown to cause the flocculation of Indian ink particles. Flocculation has been demonstrated to be due to: (a) the secretion of a substance "P," a carbohydrate whose mono-saccharide constituents are glucose and arabinose, (b) the ingestion of particles by the cell which are then bound together by a sticky mucoprotein. Substance "P" is adsorbed on to Indian ink particles present, which results in a change of their surface charge and the aggregation into floccules. Substance "P" has been labelled with [14C] glucose which then appeared in the floccules.Keywords
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