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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/3338

Title: Morphology and Cell Division of Saudithrix terricola n. gen., n. sp., a Large, Stichotrich Ciliate from Saudi Arabia
Authors: Berger, Helmut
AL-Rasheid, Kahled A.S.
Foissner, Wilhelm
Keywords: Morphogenesis
Morphometry
Multicorona
Ontogenesis
Resting cyst
Soil ciliate
Spirotrichea
Taxonomy
Saudi Arabia
Cell Division
Issue Date: 2006
Publisher: The International Society of Protistologists
Citation: The Journal of Eukaryotic Microbiology: 53 (4); 260-268
Abstract: The morphology and main ontogenetic traits of a new stichotrich ciliate, Saudithrix terricola Foissner, AL-Rasheid and Berger n. gen., n. sp., from a terrestrial habitat in Saudi Arabia were investigated using live observation, protargol impregnation, and scanning electron microscopy. Saudithrix terricola is characterized by a large (200–350 70–150 mm), flexible body; an adoral zone formed like a three-quarter circle; a sickle-shaped buccal lip with a widened paroral forming a cyrtohymenid pattern with the endoral; 11 frontal and frontal-ventral cirral rows (including right marginal rows) and one left marginal row covering the ventral side; two buccal cirri; six to nine transverse cirri; three dorsal kineties; and two macronuclear nodules. The resting cyst is about 85 mm across, has a smooth wall, and a fluffy mucous layer. Most cirral anlagen originate within the parental rows and are arranged side by side, the proximal portion of the adoral zone of membranelles is reorganized, and some parental dorsal bristles are maintained. Neither the morphological nor the ontogenetic data reveal the systematic position of Saudithrix within the stichotrichs. The term multicorona is introduced and describes a frontal ciliature composed of four or more cirral bows.
URI: http://dx.doi.org/10.1111/j.1550-7408.2006.00102.x
http://hdl.handle.net/123456789/3338
ISSN: 1066-5234
Appears in Collections:College of Science

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