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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/11273

Title: Two new marine ciliates, Euplotes sinicus sp. nov. and Euplotes parabalteatus sp. nov., and a new small subunit rRNA gene sequence of Euplotes rariseta (Ciliophora; Spirotrichea; Euplotida).
Authors: Zhang, Q.,
Hu, X.,
AL-Rasheid, K. A. S.
Song, W.
Keywords: marine ciliates
Euplotes sinicus
Euplotes rariseta
Issue Date: 2010
Publisher: International Journal of Systematic and Evolutionary Microbiology. UK.
Citation: 60: 1241-1451.
Abstract: The morphology, infraciliature and silverline system of two marine Euplotes, Euplotes sinicus sp. nov. and Euplotes parabalteatus sp. nov., isolated from seawater near Qingdao, China, were investigated. E. sinicus is characterized by having conspicuous dorsal ridges, a single marginal cirrus and a silverline system of the double-patella-I type. E. parabalteatus is an extremely small form (only about 35 mm long) with 6–7 dorsal kineties and a silverline system of the doubleeurystomus type. Small subunit (SSU) rRNA-based phylogenetic trees were constructed with three different methods and these firmly demonstrated that the novel species represent two distinct phylogenetic lineages within the genus Euplotes, branching as a sister group to all other sequenced congeners. In addition, the SSU rRNA gene of another rare, morphologically similar form, Euplotes rariseta, was sequenced. This revealed the phylogenetic position of E. rariseta to be basal to one of the major groups of Euplotes rather than close to Euplotes nobilii.
URI: http://hdl.handle.net/123456789/11273
Appears in Collections:College of Science

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