Taxonomic redescription of Loxophyllum perihoplophorum and L. rostratum (Ciliophora: Pleurostomatida) from Korea

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Title
Taxonomic redescription of Loxophyllum perihoplophorum and L. rostratum (Ciliophora: Pleurostomatida) from Korea
Author(s)
Se Joo Kim; G S Min
Bibliographic Citation
Animal Systematics, Evolution and Diversity, vol. 31, no. 4, pp. 277-283
Publication Year
2015
Abstract
Two pleurostomatid ciliates, Loxophyllum perihoplophorum Buddenbrock, 1920 and L. rostratum Cohn, 1866, were collected from the coastal waters of the East Sea, Korea. Their morphologies are described based on live observation and protargol staining, and morphometrics are provided. Loxophyllum perihoplophorum is characterized by the following features: 200-650 μm long in vivo; body slender leaf-shaped, flexible and contractile, with thin and wide extrusome- belted zone; 2 macronuclear nodules (Ma) and 1 micronucleus (Mi); 7-9 contractile vacuoles (CV) positioned along dorsal margin; extrusomes (Ex) evenly distributed along edge of entire body, with about 10 dorsal warts (Wa); 9-11 left (LSK) and 19-22 right somatic kineties (RSK), 4-5 furrows (Fu) on left side. Loxophyllum rostratum is about 100-130 μm long in vivo; body oblate leaf-shaped, contractile, convex ventral side and S-shaped dorsal side, beaklike anterior end; 2 Ma and 1 Mi; 1 CV terminally located; Ex distributed along edge of entire body, with about 9-10 dorsal Wa; 7-8 LSK and 15-19 RSK, ca. 5 Fu on left body side. In addition, sequences of small subunit ribosomal DNA were determined from these two Loxophyllum species and compared with the known Loxophyllum sequences.
Keyword
HaptoriaPleurostomatidaLitonotidaeLoxophyllum perihoplophorumLoxophyllum rostratumEast SeaKorea
ISSN
2234-6953
Publisher
South Korea
DOI
http://dx.doi.org/10.5635/ASED.2015.31.4.277
Type
Article
Appears in Collections:
Division of Biomedical Research > Genome Editing Research Center > 1. Journal Articles
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