ArticleScientific reports2018
Ophirina amphinema n. gen., n. sp., a New Deeply Branching Discobid with Phylogenetic Affinity to Jakobids.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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18 citing papers in PubMed, 30 citations in OpenAlex.
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- Foraging mechanisms in excavate flagellates shed light on the functional ecology of early eukaryotes.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Encyclopedia of Family A DNA Polymerases Localized in Organelles: Evolutionary Contribution of Bacteria Including the Proto-Mitochondrion.Molecular biology and evolution · 2024Article
- Multiple approaches of cellular metabolism define the bacterial ancestry of mitochondria.Science advances · 2023Article
- Maturases and Group II Introns in the Mitochondrial Genomes of the Deepest Jakobid Branch.Genome biology and evolution · 2023Article
- Mitochondrial genome annotation with MFannot: a critical analysis of gene identification and gene model prediction.Frontiers in plant science · 2023Article
- Vestiges of the Bacterial Signal Recognition Particle-Based Protein Targeting in Mitochondria.Molecular biology and evolution · 2021Article
- Phage Origin of Mitochondrion-Localized Family A DNA Polymerases in Kinetoplastids and Diplonemids.Genome biology and evolution · 2021Article
- Evolutionary History of Mitochondrial Genomes in Discoba, Including the Extreme Halophile Pleurostomum flabellatum (Heterolobosea).Genome biology and evolution · 2021Article
- EukRef-excavates: seven curated SSU ribosomal RNA gene databases.Database : the journal of biological databases and curation · 2020Article
- Barthelonids represent a deep-branching metamonad clade with mitochondrion-related organelles predicted to generate no ATP.Proceedings. Biological sciences · 2020Article
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- The unity and diversity of the ciliary central apparatus.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2020Article
- Recent advances in understanding mitochondrial genome diversity.F1000Research · 2020Review
- Horizontally-acquired genetic elements in the mitochondrial genome of a centrohelid Marophrys sp. SRT127.Scientific reports · 2019Article
- A Deeply Branching Lineage in Heterolobosea (Discoba) With Multiflagellated and Multigrooved Life Stages.The Journal of eukaryotic microbiologyArticle
- Morphology, Ultrastructure, and Classification of Barthelonids (Metamonada Incertae Sedis): With Descriptions of Microbarthelona Gen. Nov., and Parabarthelona Gen. Nov.The Journal of eukaryotic microbiologyArticle
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We report a novel nanoflagellate, Ophirina amphinema n. gen. n. sp., isolated from a lagoon of the Solomon Islands. The flagellate displays 'typical excavate' morphological characteristics, such as the presence of a ventral feeding groove with vanes on the posterior flagellum. The cell is ca. 4 µm in length, bears two flagella, and has a single mitochondrion with flat to discoid cristae. The flagellate exists in two morphotypes: a suspension-feeder, which bears flagella that are about the length of the cell, and a swimmer, which has longer flagella. In a tree based on the analysis of 156 proteins, Ophirina is sister to jakobids, with moderate bootstrap support. Ophirina has some ultrastructural (e.g. B-fibre associated with the posterior basal body) and mtDNA (e.g. rpoA-D) features in common with jakobids. Yet, other morphological features, including the crista morphology and presence of two flagellar vanes, rather connect Ophirina to non-jakobid or non-discobid excavates. Ophirina amphinema has some unique features, such as an unusual segmented core structure within the basal bodies and a rightward-oriented dorsal fan. Thus, Ophirina represents a new deeply-branching member of Discoba, and its mosaic morphological characteristics may illuminate aspects of the ancestral eukaryotic cellular body plan.
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