Abstract
The morphology and molecular phylogeny of a soil hypotrich ciliate, Pseudourostyla guizhouensis sp. nov., collected from southern China, were investigated. Pseudourostyla guizhouensis sp. nov. has an elongate elliptical body measuring 180-310×65-85μm invivo; invariably two right and three or four left marginal rows; six or seven dorsal kineties; adoral zone consisting of 57-70 membranelles; 12-16 frontal cirri, one buccal cirrus, 13-20 midventral pairs, two frontoterminal cirri, two pretransverse cirri, and five to seven transverse cirri. Morphogenesis during physiological regeneration indicates that the marginal rows of each side originate from a common anlage that differentiates into several rows. Molecular phylogenetic analysis based on SSU rDNA sequence data reveals that P.guizhouensis sp. nov. clusters with the type species P.cristata (Jerka-Dziadosz, 1964) Borror, 1972 and that the genus Pseudourostyla is monophyletic. The morphological characters of another soil hypotrich ciliate, Hemicycliostyla franzi (Foissner, 1987) Paiva etal., 2012, are also described based on a Chinese (Guizhou) population.
Highlights
The present paper reports the morphology of two hypotrich ciliates, Pseudourostyla guizhouensis sp. nov. and Hemicycliostyla franzi, isolated from soil in southern China
The key distinguishing feature of Pseudourostyla guizhouensis sp. nov. is that it invariably has two right marginal rows and it can be separated from those species with four or more right marginal rows, i.e., P. cristata, P. cristatoides, P. dimorpha, P. levis, P. pelotensis, and P. subtropica
The main differences between P. guizhouensis sp. nov. and P. nova are the numbers of frontal cirri (12–16 vs. 4–6), midventral pairs (13–20 vs. 22–36), left marginal rows, and macronuclear nodules (26–40 vs. 9–25)
Summary
The present paper reports the morphology of two hypotrich ciliates, Pseudourostyla guizhouensis sp. nov. and Hemicycliostyla franzi, isolated from soil in southern China.
Sign-in/Register to view highlights & summary Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
