Morphologic and molecular characterization of Apertospathula pilata n. sp., a novel freshwater spathidiid (Ciliophora, Litostomatea) from Idaho, USA

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F23%3A10466481" target="_blank" >RIV/00216208:11310/23:10466481 - isvavai.cz</a>
Result on the web
<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=sEGcLe7mr7" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=sEGcLe7mr7</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.ejop.2023.125990" target="_blank" >10.1016/j.ejop.2023.125990</a>

Result language
angličtina
Original language name
Morphologic and molecular characterization of Apertospathula pilata n. sp., a novel freshwater spathidiid (Ciliophora, Litostomatea) from Idaho, USA
Original language description
Order Spathidiida Foissner and Foissner, 1988 comprises a large group of morphologically diverse, primarily predatory, free living ciliates, the phylogeny of which has remained stubbornly unresolved. Families Arcuospathidiidae and Aper-tospathulidae are two morphologically similar groups established on the basis of differences in the morphology of the oral bulge and circumoral kinety. While Arcuospathidiidae is non-monophyletic in 18S rRNA gene analyses, the Apertospathul-idae has been represented by only a single Apertospathula sequence in public databases. In this report, a novel freshwater species, Apertospathula pilata n. sp. is described on the basis of living observation, silver impregnation, and scanning electron microscopy. The phylogeny of the new species is assessed based on the rRNA cistron. The main features distinguishing A. pilata n. sp. from all congeners are: the oral bulge extrusomes (filiform, up to 25 mm long), the combination of body size (130-193 mm) and shape (spatulate), the extensive oral bulge length (41% of the cell length after protargol impregnation), and multiple micronuclei (one to five, two on average). The monophyly of Apertospathulidae Foissner, Xu and Kreutz, 2005 is rejected.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10606 - Microbiology

Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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