Ancyromonas

Ancyromonas is a genus of basal Eukaryote consisting of heterotrophic flagellates.[1]

Ancyromonas
Ancyromonas sp.
Scientific classification
Domain: Eukaryota
Phylum: Loukozoa
Genus: Ancyromonas
Kent 1880
Type species
Ancyromonas sigmoides
Kent, 1880
Species
  • A. abrupta Skvortzov 1957
  • A. contorta (Klebs 1883) Lemmermann 1914
  • A. lata Skvortzov 1957
  • A. magna Zhang & Yang 1993
  • A. metabolica Skvortzov 1957
  • A. nitzschiae Skvortzov 1957
  • A. parasitica Massart
  • A. prima Skvortzov1957
  • A. rotundata Skvortzov 1957
  • A. rugosa Skvortzov 1957
  • A. ruminantium Certes 1899
  • A. socialis Skvortzov 1957
  • A. sigmoides Kent 1880 sensu Heiss, Walker & Simpson 2010

It includes the species Ancyromonas sigmoides,[2] first described by Saville Kent in 1880. The genus was rediscovered in modern times by Hänel in 1979.

They are about 5 μm long and live in both marine and freshwater habitats with a global distribution.

In 2008, Cavalier-Smith et. al proposed the reassignment of all known species of Ancyromonas into a new genus, Planomonas. Planomonas has since been described as a junior synonym of Ancyromonas.[3] Ancyromonas does not belong to any of the eukaryotic supergroups, and they appear more basal than Malawimonas, placing them in Loukouzoa, possibly relatives of podiates, and depending on the placement of the root position of the Eukaryotes.[4][5]

References
  1. Scheckenbach F, Wylezich C, Mylnikov AP, Weitere M, Arndt H (October 2006). "Molecular Comparisons of Freshwater and Marine Isolates of the Same Morphospecies of Heterotrophic Flagellates". Appl. Environ. Microbiol. 72 (10): 6638–43. doi:10.1128/AEM.02547-05. PMC 1610283. PMID 17021215.
  2. Cavalier-Smith T, Chao EE, Stechmann A, Oates B, Nikolaev S (October 2008). "Planomonadida ord. nov. (Apusozoa): ultrastructural affinity with Micronuclearia podoventralis and deep divergences within Planomonas gen. nov". Protist. 159 (4): 535–62. doi:10.1016/j.protis.2008.06.002. PMID 18723395.
  3. Heiss AA, Walker G, Simpson AG (May 2010). "Clarifying the taxonomic identity of a phylogenetically important group of eukaryotes: Planomonas is a junior synonym of Ancyromonas". J. Eukaryot. Microbiol. 57 (3): 285–93. doi:10.1111/j.1550-7408.2010.00477.x. PMID 20384907.
  4. Brown, Matthew W.; Heiss, Aaron; Kamikawa, Ryoma; Inagaki, Yuji; Yabuki, Akinori; Tice, Alexander K.; Shiratori, Takashi; Ishida, Ken; Hashimoto, Tetsuo (2017-12-03). "Phylogenomics places orphan protistan lineages in a novel eukaryotic super-group". Genome Biol Evol. 10. doi:10.1093/gbe/evy014. PMC 5793813. PMID 29360967.
  5. Torruella, Guifré; Mendoza, Alex de; Grau-Bové, Xavier; Antó, Meritxell; Chaplin, Mark A.; Campo, Javier del; Eme, Laura; Pérez-Cordón, Gregorio; Whipps, Christopher M. (2015). "Phylogenomics Reveals Convergent Evolution of Lifestyles in Close Relatives of Animals and Fungi". Current Biology. 25 (18): 2404–2410. doi:10.1016/j.cub.2015.07.053. PMID 26365255.
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