Pseudonotohymena antarctica n. g., n. sp. (Ciliophora, Hypotricha), a New Species from Antarctic Soil

Abstract A new soil ciliate, Pseudonotohymena antarctica n. g., n. sp., from King George Island, Antarctica, is described based on live observation, protargol impregnation, and its 18S rRNA gene. The new genus Pseudonotohymena is morphologically similar to the genus Notohymena Blatterer and Foissner...

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Bibliographic Details
Published in:Journal of Eukaryotic Microbiology
Main Authors: Park, Kyung‐Min, Jung, Jae‐Ho, Min, Gi‐Sik, Kim, Sanghee
Other Authors: Korea Polar Research Institute
Format: Article in Journal/Newspaper
Language:English
Published: Wiley 2016
Subjects:
Microbiology
Antarctic
King George Island
Antarc*
Antarctica
Online Access:http://dx.doi.org/10.1111/jeu.12381
https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fjeu.12381
https://onlinelibrary.wiley.com/doi/pdf/10.1111/jeu.12381
Description
Summary:Abstract A new soil ciliate, Pseudonotohymena antarctica n. g., n. sp., from King George Island, Antarctica, is described based on live observation, protargol impregnation, and its 18S rRNA gene. The new genus Pseudonotohymena is morphologically similar to the genus Notohymena Blatterer and Foissner in the following characteristics: 18 fronto‐ventral‐transverse cirri, a flexible body, undulating membranes, dorsomarginal kineties, and the number of cirri in the marginal rows. However, Pseudonotohymena differs from Notohymena particularly in the dorsal ciliature, that is, in possessing a nonfragmented dorsal kinety (vs. fragmented). In addition, the molecular phylogenetic relationship of the new species differs from that of Notohymena species. On the basis of the morphological features, the genetic data, and morphogenesis, we establish P. antarctica n. g., n. sp. In addition, the cyst morphology of this species is described.

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