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Title: Pelagostrobilidium liui n. sp. (Ciliophora, Choreotrichida) from the Coastal Waters of Northeastern Taiwan and an Improved Description of Pelagostrobilidium minutum Liu et al., 2012.
Authors: Chen P-C
K-P Chiang
S-F Tasi
Contributors: 國立臺灣海洋大學:海洋觀光管理學士學位學程(學系)
Keywords: Ciliary pattern
Strobilidiidae
molecular phylogeny
morphology
protozoa
Date: 2017-10
Issue Date: 2018-08-21T08:34:03Z
Publisher: J. Eukaryot. Microbiol
Abstract: Abstract: The number of somatic kineties in Pelagostrobilidium ranges from 4 to 6 according to the present state of knowledge. This study investigates Pelagostrobilidium liui n. sp. using live observation, protargol stain, and small subunit rDNA data sequencing. Pelagostrobilidium liui n. sp. is characterized by having a spherical-shaped body, four somatic kineties, with kinety 2 spiraled around the left side of body, about six elongated external membranelles, and invariably no buccal membranelle. It differs from its most similar congener, Pelagostrobilidium minutum Liu et al., , in (i) cell shape; (ii) macronucleus width; (iii) oral apparatus; (iv) anterior orientation of kinety 2; (v) location where kinety 2 commences; (vi) arrangement of kinety 1; (vii) distance between the anterior cell end and the locations where kineties commence; and (viii) the presence of 12 different bases (including two deletions) in the small subunit rDNA sequences. The diagnosis of P. minutum Liu et al., is also improved to include the following new characteristics: invariably four somatic kineties; kineties 2 and 4 alone commence at the same level; kinety 2 originates from right anterior cell half on ventral side, extends sinistrally posteriorly, over kinety 1, around left posterior region, terminates near posterior cell end on dorsal side; kinety 1 commences below anterior third of kinety 2.
Relation: 64(5) pp.579-587
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/48276
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