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Open AccessAuthor Correction: Genomic analysis finds no evidence of canonical eukaryotic DNA processing complexes in a free-living protist
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Open AccessGenomic analysis finds no evidence of canonical eukaryotic DNA processing complexes in a free-living protist
Cells replicate and segregate their DNA with precision. Previous studies showed that these regulated cell-cycle processes were present in the last eukaryotic common ancestor and that their core molecular parts...
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A natural toroidal microswimmer with a rotary eukaryotic flagellum
We describe Idionectes vortex gen. nov., sp. nov., a unicellular microeukaryote that swims by continuous inversion of its surface, similar to a vortex ring. This previously unreported mode of motility approximate...
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Article
Hemimastigophora is a novel supra-kingdom-level lineage of eukaryotes
Almost all eukaryote life forms have now been placed within one of five to eight supra-kingdom-level groups using molecular phylogenetics1–4. The ‘phylum’ Hemimastigophora is probably the most distinctive morphol...
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Organelles that illuminate the origins of Trichomonas hydrogenosomes and Giardia mitosomes
Many anaerobic microbial parasites possess highly modified mitochondria known as mitochondrion-related organelles (MROs). The best-studied of these are the hydrogenosomes of Trichomonas vaginalis and Spironucleus...
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Open AccessArginine deiminase pathway enzymes: evolutionary history in metamonads and other eukaryotes
Multiple prokaryotic lineages use the arginine deiminase (ADI) pathway for anaerobic energy production by arginine degradation. The distribution of this pathway among eukaryotes has been thought to be very lim...
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Open AccessErratum to: On the reversibility of parasitism: adaptation to a free-living lifestyle via gene acquisitions in the diplomonad Trepomonas sp. PC1
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Open AccessOn the reversibility of parasitism: adaptation to a free-living lifestyle via gene acquisitions in the diplomonad Trepomonas sp. PC1
It is generally thought that the evolutionary transition to parasitism is irreversible because it is associated with the loss of functions needed for a free-living lifestyle. Nevertheless, free-living taxa are...
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The other eukaryotes in light of evolutionary protistology
In order to introduce protists to philosophers, we outline the diversity, classification, and evolutionary importance of these eukaryotic microorganisms. We argue that an evolutionary understanding of protists...
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Halocafeteria seosinensis gen. et sp. nov. (Bicosoecida), a halophilic bacterivorous nanoflagellate isolated from a solar saltern
Recently, heterotrophic nanoflagellates (HNF) have been reported to actively ingest prokaryotes in high salinity waters. We report the isolation and culture of an HNF from a Korean saltern pond of 300‰ salinit...
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Early origin of canonical introns
Spliceosomal introns, one of the hallmarks of eukaryotic genomes, were thought to have originated late in evolution1,2 and were assumed not to exist in eukaryotes that diverged early — until the discovery of a si...
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Ultrastructure and identification of the predatory flagellateColpodella pugnax Cienkowski (Apicomplexa) with a description ofColpodella turpis n. sp. and a review of the genus
A flagellated predator of the chlorophyte algaDunaliella spp. was examined by light and electron microscopy. Although this predator had previously been identified as a species of the kinetoplastid genusBodo, the ...