cysts
Gephyramoeba (ge-fire-a-me-ba) a naked amoeba of uncertain affinities. Often with cytoplasm drawn out into long pseudopodia. Nucleus with nucleolus also visible. Cysts. Differential interference contrast. This picture was taken by David Patterson, Linda Amaral Zettler, Mike Peglar and Tom Nerad from cultures and other materials maintained at the American Type Culture Collection during 2001. Image copyright: D. J. Patterson, L Amaral-Zettler, M. Peglar and T. Nerad, image used under license to MBL (micro*scope).
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Gephyramoeba
From the collection
American Type Culture Collection
| Description of Gephyramoeba: Flattened amoeba, fan-shaped or irregular in outline. Often fan-shaped highly branched, not anastomosing, with a long narrow tail in some cells; not plasmodial and not anastomosing. Generally slow moving but occasionally amoebae are eruptive when they extend a new pseudopodium. Usually with a single nucleus, but some cells may have several. Typically found in soils but can be isolated from shallow freshwater sediments. Locomotive form 30 to 300 µm. The cysts are spherical or ovoid single-walled. Single species described, G. delicatula Goodey, 1914, from soil. |
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