Picozoa

Picozoa
Movement of a Picomonas judraskeda cell
Animation of the 3D structure of Picomonas judraskeda
Scientific classification Edit this classification
(unranked): Archaeplastida
Phylum: Picozoa
Seenivasan, Sausen, Medlin, Melkonian, 2013[1]

Picozoa, Picobiliphyta, Picobiliphytes, or Biliphytes are protists of a phylum of marine unicellular heterotrophic eukaryotes with a size of less than about 3 micrometers. They were formerly treated as eukaryotic algae and the smallest member of photosynthetic picoplankton before it was discovered they do not perform photosynthesis.[2] The first species identified therein is Picomonas judraskeda.[1] They probably belong in the Archaeplastida as sister of the Rhodophyta.[3][4][5]

They were formerly placed within the cryptomonads-haptophytes assemblage.[6]

  1. ^ a b Seenivasan R, Sausen N, Medlin LK, Melkonian M (2013). Waller RF (ed.). "Picomonas judraskeda gen. et sp. nov.: the first identified member of the Picozoa phylum nov., a widespread group of picoeukaryotes, formerly known as 'picobiliphytes'". PLOS ONE. 8 (3): e59565. Bibcode:2013PLoSO...859565S. doi:10.1371/journal.pone.0059565. PMC 3608682. PMID 23555709.
  2. ^ Moreira D, López-García P (May 2014). "The rise and fall of Picobiliphytes: how assumed autotrophs turned out to be heterotrophs". BioEssays. 36 (5): 468–474. doi:10.1002/bies.201300176. PMC 4133654. PMID 24615955.
  3. ^ Burki F, Kaplan M, Tikhonenkov DV, Zlatogursky V, Minh BQ, Radaykina LV, et al. (January 2016). "Untangling the early diversification of eukaryotes: a phylogenomic study of the evolutionary origins of Centrohelida, Haptophyta and Cryptista". Proceedings. Biological Sciences. 283 (1823): 20152802. doi:10.1098/rspb.2015.2802. PMC 4795036. PMID 26817772.
  4. ^ Lax G, Eglit Y, Eme L, Bertrand EM, Roger AJ, Simpson AG (December 2018). "Hemimastigophora is a novel supra-kingdom-level lineage of eukaryotes". Nature. 564 (7736): 410–414. Bibcode:2018Natur.564..410L. doi:10.1038/s41586-018-0708-8. PMID 30429611. S2CID 205570993.
  5. ^ Cavalier-Smith T, Chao EE, Lewis R (December 2015). "Multiple origins of Heliozoa from flagellate ancestors: New cryptist subphylum Corbihelia, superclass Corbistoma, and monophyly of Haptista, Cryptista, Hacrobia and Chromista". Molecular Phylogenetics and Evolution. 93: 331–362. doi:10.1016/j.ympev.2015.07.004. PMID 26234272.
  6. ^ Keeling P, Leander BS (28 October 2009) [8 September 2000]. "Eukaryotes". Tree of Life Web Project. Retrieved 2009-06-17.

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