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Reconsideration of the Phylogenetic Positions of Five Peritrich Genera, Vorticella, Pseudovorticella, Zoothamnopsis, Zoothamnium, and Epicarchesium (Ciliophora, Peritrichia, Sessilida), Based on…
TLDR
The molecular work demonstrates the genus Zoothamnium to be paraphyletic in relation to morphological studies, and suggests that Astylozoon, Opisthonecta, and Vorticella microstoma possibly share a SSU rRNA secondary structure in the helix E10‐1 region.
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Phylogenetic relationships of the ciliate class Heterotrichea (Protista, Ciliophora, Postciliodesmatophora) inferred from multiple molecular markers and multifaceted analysis strategy.
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An integrative approach to phylogeny reveals patterns of environmental distribution and novel evolutionary relationships in a major group of ciliates
TLDR
Reconstruction of ancestral states revealed that peritrichs may have transitioned repeatedly from freshwater to brackish/marine/hypersaline environments and provided a model of how to elucidate evolution in the context of ecological niches in any lineage of microbial eukaryotes.
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Molecular phylogeny and species delimitation within the ciliate genus Spirostomum (Ciliophora, Postciliodesmatophora, Heterotrichea), using the internal transcribed spacer region.
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Species Boundaries in Tintinnid Ciliates: A Case Study – Morphometric Variability, Molecular Characterization, and Temporal Distribution of Helicostomella species (Ciliophora, Tintinnina)
TLDR
Analysis of the temporal distribution of species of the hyaline tintinnid Helicostomella in Jangmok Bay of Geoje Island on the south coast of Korea suggests that these two forms represent two distinct species despite their highly similar lorica morphology.
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Morphology and Small Subunit (SSU) rRNA Gene Sequence of the New Brackish Water Ciliate Neobakuella flava n. g., n. sp. (Ciliophora, Spirotricha, Bakuellidae) and SSU rRNA Gene Sequences of Six…
TLDR
The gene sequence data indicate a close relationship with Diaxonella and a distinct separation from the bakuellid Metaurostylopsis and parabirojimid ParabiroJimia, supporting the morphological separation from Holosticha.
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Phylogenetic position of the ciliates Phacodinium (Order Phacodiniida) and Protocruzia (Subclass Protocruziidia) and systematics of the spirotrich ciliates examined by small subunit ribosomal RNA…
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The evolutionary origin of a complex scrambled gene.
TLDR
This work examines DNA polymerase alpha genes in several earlier diverging species, representing evolutionary intermediates, and suggests a possible mechanism for intron loss by deletion of intron sequences as DNA during development of the somatic nucleus.
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Morphology and Molecular Phylogeny of Apoterritricha lutea n. g., n. sp. (Ciliophora, Spirotrichea, Hypotrichia): A Putative Missing Link Connecting Cyrtohymena and Afrokeronopsis
TLDR
A hypothesis is proposed that is not unambiguously rejected by the present phylogenetic analyses, which shows how the Afrokeronopsis‐like pattern could have evolved from a Rubrioxytricha‐like ancestor via an Apoterritricha-like stage by cirri‐multiplication.
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Molecular and Morphological Characterization of a Poorly Known Marine Ciliate, Myoschiston duplicatum Precht, : Implications for Phylogenetic Relationships between Three Morphologically Similar…
TLDR
The morphology and molecular phylogeny of Myoschiston duplicatum, a peritrich ciliate that has been recorded as an epibiont of crustaceans, but which is also identified on marine algae from Korea, is studied to provide an improved diagnosis and phylogenetic relationship in the family Zoothamniidae between the three morphologically similar genera.
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