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Jan 22, 2024 · Meteora is a free-living heterotrophic protist, underlining the importance of pursuing this category of organism in efforts to catalog deeper eukaryote diversity. It also illustrates that the first known representative of a major clade (i.e., hemimastigotes in Meteora + Hemimastigophora) need not reflect the morphology or biology of the rest of ...
Jan 22, 2024 · This finding resonates with the high rate of discovery of novel eukaryotes and, indeed, entire new phylum- and supergroup-level lineages, over recent years. 1, 2, 4, 16, 21 As with all other recently discovered major lineages, 1 Meteora is a free-living heterotrophic protist, underlining the importance of pursuing this category of organism in ...
Meteora sporadica is a mysterious free-living protozoan discovered in 2002 during sampling at a depth of 1,230 meters below sea level in the Sporades Basin, part of the Mediterranean Sea. So far it is the only species of the genus Meteora. It was placed as Protista incertae sedis due to its unique morphology unlike any other group of protists.
Eglit et al. show that the bizarre protist Meteora has its waving arms and long axis supported by microtubules originating from an array of unique subnuclear MTOCs. Phylogenomic analyses place Meteora as the first known relative of Hemimastigophora, outside all familiar supergroups. This makes Meteora important for tracing deep eukaryote evolution.
Jan 22, 2024 · Meteora sporadica, a protist with incredible cell architecture, is related to Hemimastigophora. Meteora sporadica gen. nov. et sp. nov. (Protista incertae sedis) — an extraordinary free-living protist from the Mediterranean deep sea. First molecular characterization of the elusive marine protist Meteora sporadica.
Jan 22, 2024 · Studies like the one on Meteora sporadica by Eglit, Shiratori et al. 3, published in this issue of Current Biology, superimpose intriguing protists over the unassigned sequences. This peculiar heterotrophic protist has a giant mitochondrial genome, unusual morphology and ultrastructure, and moves by use of bizarre ‘swinging arms’.
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Jan 22, 2024 · For example, Hemimastigophora are predatory protists with two rows of flagella that were known since the 19 th century but proved to represent a new deep-branching eukaryote lineage when phylogenomic analyses were conducted. 2 Meteora sporadica 5 is a protist with a unique morphology; cells glide over substrates along a long axis of anterior ...
