Animal Systematics, Evolution and Diversity

The Korean Society of Systematic Zoology (한국동물분류학회)
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New Record of Two Nolandia Species (Protozoa: Ciliophora: Colepidae) from South Korea

  • Je-Woong Yoon (Department of Biology, Gangneung-Wonju National University) ;
  • Ji Hye Moon (Department of Biology, Gangneung-Wonju National University) ;
  • Jae-Ho Jung (Department of Biology, Gangneung-Wonju National University)
  • Received : 2024.08.20
  • Accepted : 2024.10.22
  • Published : 2024.10.31
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Abstract

Two unrecorded ciliates from Korea, Nolandia nolandi (Kahl, 1930) Small and Lynn, 1985 and Nolandia sinica Chen et al., 2012, were collected from freshwater and brackish environments, respectively. Their morphology was examined based on the observation of living cells, protargol-impregnated, and scanning electron microscopy specimens. The phylogenetic analyses were performed using the 18S rRNA gene sequence obtained from a single cell of each species. The Korean population of N. nolandi is characterized by a size of 35-50×15-26 ㎛ in vivo, elliptical body, 13 or 14 somatic ciliary rows with 10-12 transverse circles and single caudal cilium. Nolandia sinica is characterized by a size of 50-65×15-25 ㎛ in vivo, elliptical body, 16-19 ciliary rows with 13 or 14 transverse circles and single caudal cilium. In the phylogenetic analyses, the genus Nolandia showed non-monophyly.

Keywords

Acknowledgement

This study was supported by a grant from the National Institute of Biological Resources (NIBR), funded by the Ministry of Environment (MOE) of the Republic of Korea (NIBR 202304201, NIBRE202406).

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