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Tropidoatractidae fam. nov., a Deep Branching Lineage of Metopida (Armophorea, Ciliophora) Found in Diverse Habitats and Possessing Prokaryotic Symbionts
J. Rotterová, W. Bourland, I. Čepička,
Jazyk angličtina Země Německo
Typ dokumentu časopisecké články, práce podpořená grantem
- MeSH
- anaerobióza MeSH
- Ciliophora klasifikace cytologie izolace a purifikace mikrobiologie MeSH
- ekosystém * MeSH
- fluorescenční mikroskopie MeSH
- fylogeneze * MeSH
- mikrobiologie vody MeSH
- mikroskopie elektronová rastrovací MeSH
- mikroskopie MeSH
- protozoální DNA chemie genetika MeSH
- ribozomální DNA chemie genetika MeSH
- RNA ribozomální 18S genetika MeSH
- sekvenční analýza DNA MeSH
- shluková analýza MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
We report a discovery of a novel family of anaerobic ciliates, Tropidoatractidae fam. nov. Phylogenetic analyses based on the 18S rRNA gene show that the family Tropidoatractidae corresponds to the previously reported clade of environmental sequences closely related to the lineage consisting of orders Metopida and Clevelandellida. The family comprises two genera, Tropidoatractus and Palmarella, and five species, two of which are newly described herein. Tropidoatractidae are cosmopolitan Metopida with sparse somatic and oral ciliature, deep, cup-like buccal cavity, and hyaline cortex with interkinetal ridges. Moreover, all species occur in two morphotypes, slender and stout. They inhabit microoxic or anoxic freshwater, brackish, and marine sediments and possess anaerobic mitochondrion-related organelles and various prokaryotic symbionts. The discovery of Tropidoatractidae provides valuable information about the evolution of Armophorea and gives us insights to the diversity and ecological preferences of anaerobic ciliates in general.
Department of Biological Sciences Boise State University Boise ID 83725 1515 USA
Department of Zoology Faculty of Science Charles University Viničná 7 128 00 Prague Czech Republic
Citace poskytuje Crossref.org
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- $a 10.1016/j.protis.2018.04.003 $2 doi
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- $a Rotterová, Johana $u Department of Zoology, Faculty of Science, Charles University, Viničná 7, 128 00 Prague, Czech Republic. Electronic address: johana.rotterova@natur.cuni.cz.
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- $a We report a discovery of a novel family of anaerobic ciliates, Tropidoatractidae fam. nov. Phylogenetic analyses based on the 18S rRNA gene show that the family Tropidoatractidae corresponds to the previously reported clade of environmental sequences closely related to the lineage consisting of orders Metopida and Clevelandellida. The family comprises two genera, Tropidoatractus and Palmarella, and five species, two of which are newly described herein. Tropidoatractidae are cosmopolitan Metopida with sparse somatic and oral ciliature, deep, cup-like buccal cavity, and hyaline cortex with interkinetal ridges. Moreover, all species occur in two morphotypes, slender and stout. They inhabit microoxic or anoxic freshwater, brackish, and marine sediments and possess anaerobic mitochondrion-related organelles and various prokaryotic symbionts. The discovery of Tropidoatractidae provides valuable information about the evolution of Armophorea and gives us insights to the diversity and ecological preferences of anaerobic ciliates in general.
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