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- Title
FEEDING IN <em>PERANEMA TRICHOPHORUM</em> REVISITED (EUGLENOPHYTA).
- Authors
Triemer, Richard E.
- Abstract
Feeding in Peranema trichophorum (Ehrenberg 1838) Stein 1878 was first observed over a century ago, yet there is still contention over how the feeding apparatus is used in feeding. Using video microscopy and scanning microscopy, this study documents two types of feedings. Peranema may engulf prey cells whole. Immotile cells are preferred, but moving cells occasionally are engulfed. Details of the early stages of engulfment are presented using scanning electron microscopy. A second method of feeding begins with the attachment of Peranema to a prey cell. The rods of the feeding apparatus then are repeatedly scaped over the surface of the prey until a tear occurs in the cell. The feeding apparatus is inserted into the opening and the internal cell contents are sucked out. The anterior flagellum is inserted into the prey to help remove the cell's contents.
- Subjects
PERANEMA trichophorum; ANIMAL nutrition; SCANNING electron microscopy; PERANEMA (Algae); HETERONEMATACEAE; ELECTRON microscopy
- Publication
Journal of Phycology, 1997, Vol 33, Issue 4, p649
- ISSN
0022-3646
- Publication type
Article
- DOI
10.1111/j.0022-3646.1997.00649.x