First Record of Three Uronychia Species (Ciliophora: Spirotrichea: Euplotida) from Korea KCI

Title
First Record of Three Uronychia Species (Ciliophora: Spirotrichea: Euplotida) from Korea
Author(s)
김세주; 민기식
Alternative Author(s)
김세주
Publication Year
2011-03
Abstract
Three morphospecies of the genus Uronychia, i.e. U. setigera Calkins, 1902, U. binucleata Young, 1922, and U. multicirrus Song, 1997, were collected from the coastal waters of Gumjin-ri on the East Sea and the public waterfront of Incheon on the Yellow Sea in Korea, respectively. These species are described based on live observation, protargol impregnation, silver nitrate impregnation, and their morphometrics. Diagnostic keys for these species are also provided. In addition, their small subunit ribosomal DNA sequences were compared with previously known sequences of Uronychia species. Diagnostics of three Uronychia species are as follows: U. setigera: 50−80μm long in vivo, oval-shaped, 2 macronuclear nodules (Ma), 1 spur on the left margin, 11 adoral membranelles (AM) 1, 4 AM2, 1 buccal cirrus (BC), 4 frontal cirri (FC), 3 left marginal cirri (LMC), 2 ventral cirri (VC), 5 transverse cirri (TC), 3 caudal cirri (CC), 6 dorsal kineties (DK), and approximately 23 cilia in the leftmost kinety. U. binucleata: 70−110μm long in vivo, oval to slightly rectangular shaped, 2 Ma, 1 micronucleus (Mi), 2 spurs on the posterior region, 11 AM1, 4 AM2, 1 BC, 4 FC, 3 LMC, 2 VC, 5 TC, 3 CC, 6 DK, and approximately 37 cilia in the leftmost kinety. U. multicirrus: 140−200μm long in vivo, oval to slightly rectangular shaped, ca. 7 Ma, 1 Mi, 11 AM1, 4 AM2, 1 BC, 4 FC, 3 LMC, approximately 8 VC, 5 TC, 3 CC, and 6 DK. This study presents the first record of this genus in Korea.
ISSN
2234-8190
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/3648
Bibliographic Citation
한국동물분류학회지, v.27, no.1, pp.25 - 33, 2011
Publisher
한국동물분류학회
Keywords
Uronychia setigera; U. binucleata; U. multicirrus; SSU rDNA; Korea
Type
Article
Language
English
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