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A new view on the morphology and phylogeny of eugregarines suggested by the evidence from the gregarine Ancora sagittata (Leuckart, 1860) Labbé, 1899 (Apicomplexa: Eugregarinida)
TLDR
An ultrastructural and molecular phylogenetic study on the marine gregarine Ancora sagittata from the polychaete Capitella capitata is presented and the diagnosis of the order Eugregarinida Léger, 1900 is updated.
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Ultrastructure and 28S rDNA phylogeny of two gregarines: Cephaloidophora cf. communis and Heliospora cf. longissima with remarks on gregarine morphology and phylogenetic analysis
TLDR
It was suggested that the main reason of the failed topologies in SSU rDNA analyses is insufficient data (insufficient taxon sampling and limited molecular data), rather than LBA, and possible advantages of Bayesian analyses, compared to Maximum Likelihood, and usage of LSU rDNA within the context of apicomplexan phylogenetics were discussed.
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Fine structure and Molecular Phylogenetic Position of Two Marine Gregarines, Selenidium pygospionis sp. n. and S. pherusae sp. n., with Notes on the Phylogeny of Archigregarinida (Apicomplexa).
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First Ultrastructural and Molecular Phylogenetic Evidence from the Blastogregarines, an Early Branching Lineage of Plesiomorphic Apicomplexa.
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Phylogenetic study on early emerging apicomplexans with emphasis on genera Eleutheroschizon and Siedleckia.
TLDR
The blastogregarine Siedleckia nematoides (Apicomplexa) inhabits intestine of the littoral polychaete Scoloplos armiger and has unclear position on the phylogenetic trees: it affiliates either coccidians or gregarines depending on both a method and taxonomical sample.
Primary structure of 28S rRNA gene confirms monophyly of free-living heterotrophic and phototrophic apicomplexans (Alveolata)
TLDR
Phylogenetic analysis of large subunit ribosomal RNA gene sequences from free-living predatory flagellates Colpodella angusta, Voromonas pontica, and Alphamonas edax confirms their close relationship with chromerids Chromera velia and Vitrella brassicaformis, which possess a functional photosynthetic plastid.
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Protococcidian Eleutheroschizon duboscqi, an Unusual Apicomplexan Interconnecting Gregarines and Cryptosporidia
TLDR
A re-evaluation of epicellular development in other apicomplexans is provided and directly compares their niche with that of E. duboscqi, parasitising the polychaete Scoloplos armiger.
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Motility in blastogregarines (Apicomplexa): Native and drug-induced organisation of Siedleckia nematoides cytoskeletal elements
TLDR
Experimental assays using cytoskeletal probes proved that the polymerised forms of actin and tubulin play an essential role in the S. nematoides movement, and suggest the subpellicular microtubules to be associated with filamentous structures (= cross-linking protein complexes), presumably of act in nature.
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Structures related to attachment and motility in the marine eugregarine Cephaloidophora cf. communis (Apicomplexa).
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Description of Ganymedes yurii sp. n. (Ganymedidae), a New Gregarine Species from the Antarctic Amphipod Gondogeneia sp. (Crustacea)
TLDR
A novel species of aseptate eugregarine that inhabits the intestine of Gondogeneia sp.
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