Mantamonas sphyraenae

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Mantamonas sphyraenae
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Clade: CRuMs
Class: Glissodiscea
Order: Mantamonadida
Family: Mantamonadidae
Genus: Mantamonas
Species:
M. sphyraenae
Binomial name
Mantamonas sphyraenae
Blaz et al. 2021 [1]

Mantamonas sphyraenae is a species of marine heterotrophic flagellates described in 2021. It belongs to the Mantamonadida, [2] a basal eukaryotic lineage within a clade known as CRuMs. [3] Its diploid genome is the first to be assembled within the CRuMs group. [1]

Contents

Description

Like other Mantamonas species, M. sphyraenae are heterotrophic unicellular protists with one anterior and one posterior flagellum in each cell. [1]

The genome of Mantamonas sphyraenae is estimated to be 25 megabases long, with 9,416 predicted protein-coding genes. Analyses estimate a diploid genome of 66 pairs of chromosomes in the nucleus of M. sphyraenae cells. It is the first genome assembled within the CRuMs clade. [1]

Mantamonas sphyraenae is notable for having the most gene-rich mitochondria genome outside of the jakobids, having a total of 91 genes, 62 of which are protein-coding. [4]

Ecology

Mantamonas sphyraenae was collected in 2013 from the surface of a barracuda in a lagoon on Iriomote Island, in Taketomi, Japan. It has been suggested that either the species is epizootic, or it adhered to the fish skin by chance. [1]

References

  1. 1 2 3 4 5 Blaz, Jazmin; Galindo, Luis Javier; Heiss, Aaron A.; Kaur, Harpreet; Torruella, Guifré; Yang, Ashley; Thompson, L. Alexa; Filbert, Alexander; Warring, Sally; Narechania, Apurva; Shiratori, Takashi; Ishida, Ken-ichiro; Dacks, Joel B.; López-García, Purificación; Moreira, David; Kim, Eunsoo; Eme, Laura (January 2021). "High quality genome and transcriptome data for two new species of Mantamonas, a deep-branching eukaryote clade". bioRxiv. doi: 10.1101/2023.01.20.524885 .
  2. ↑ Glücksman, Edvard; Snell, Elizabeth A.; Berney, Cédric; Chao, Ema E.; Bass, David; Cavalier-Smith, Thomas (September 2010). "The Novel Marine Gliding Zooflagellate Genus Mantamonas (Mantamonadida ord. n.: Apusozoa)". Protist. 162 (2): 207–221. doi:10.1016/j.protis.2010.06.004. PMID   20884290.
  3. ↑ Brown, Matthew W; Heiss, Aaron A; Kamikawa, Ryoma; Inagaki, Yuji; Yabuki, Akinori; Tice, Alexander K; Shiratori, Takashi; Ishida, Ken-Ichiro; Hashimoto, Tetsuo (January 2018). "Phylogenomics Places Orphan Protistan Lineages in a Novel Eukaryotic Super-Group". Genome Biology and Evolution. 10 (2): 427–433. doi:10.1093/gbe/evy014. ISSN   1759-6653. PMC   5793813 . PMID   29360967.
  4. ↑ Moreira, David; Blaz, Jazmin; Kim, Eunsoo; Eme, Laura (2024-08-19). "A gene-rich mitochondrion with a unique ancestral protein transport system". Current Biology. 34 (16): 3812–3819.e3. doi:10.1016/j.cub.2024.07.017. ISSN   0960-9822. PMID   39084221.
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