Morphogenesis of a saline soil ciliate Urosoma salmastra (Dragesco and Dragesco-Kernéis, 1986) Berger, 1999 with notes on the phylogeny of Urosoma (Ciliophora, Hypotrichia).

Eur J Protistol

The Key Laboratory of Biomedical Information Engineering, Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China. Electronic address:

Published: October 2017

AI Article Synopsis

  • The study examined the morphogenesis of Urosoma salmastra from saline soil in Weinan, China, using protargol staining techniques.
  • The key finding was that cirrus III/2 plays a significant role in developing the frontoventra-transverse cirral anlagen of U. salmastra.
  • Molecular analysis revealed that the Urosoma genus is not monophyletic, with U. emarginata forming a distinct branch, while the closest relative of U. salmastra was identified as Oxytricha granulifera.

Article Abstract

Morphogenesis in a population of Urosoma salmastra collected from saline soil in Weinan, China, was investigated using protargol staining. The main morphogenetic event that characterizes U. salmastra is the inclusion of cirrus III/2 in the formation of the frontoventra-transverse cirral anlagen. We also provide small subunit ribosomal DNA gene sequences for a population of U. salmastra and for two populations of U. emarginata. The molecular phylogeny indicates that Urosoma is not monophyletic, viz, U. emarginata branches separately from its congeners and the closest relative of U. salmastra is Oxytricha granulifera.

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http://dx.doi.org/10.1016/j.ejop.2017.08.003DOI Listing

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