Biology:Arachnula

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Short description: Genus of single-celled organisms


Arachnula
Scientific classification e
Domain: Eukaryota
Clade: Diaphoretickes
Clade: SAR
Phylum: Endomyxa
Class: Vampyrellidea
Order: Vampyrellida
Family: Vampyrellidae
Genus: Arachnula
Cienkowsky, 1876[1]

Arachnula is a genus of amoeboid eukaryotes first described by Leon Cienkowski in 1876.[2]

Its phylogenetic position is a subject of some controversy. David Bass and colleagues considered it to be a vampyrellid within the Endomyxa clade of Rhizaria,[3] and the SSU rDNA sequence isolated from an organism described as Arachnula impatiens is indeed very close to that of the vampyrellid Theratromyxa.[4] The identification of this organism as Arachnula has, however, been questioned; and a separate amoeba identified as Arachnula by Yonas Isaak Tekle and colleagues groups in molecular phylogenies close to the amoebozoans Filamoeba and Flamella.[5] Which of these isolates corresponds to that originally described by Cienkowski is unresolved.

Notes

  1. Neave, Sheffield Airey, ed (1939). Nomenclator Zoologicus. 1. London: The Zoological Society of London. p. 271. http://www.ubio.org/NZ/PDF/Vol1/pg0271.png. 
  2. Cienkowski L (1876). "Über einige Rhizopoden und verwandte Organismen". Arch Mikrosk Anat 12: 15–50. doi:10.1007/bf02933887. https://zenodo.org/record/1428428. 
  3. "Phylogeny of novel naked Filose and Reticulose Cercozoa: Granofilosea cl. n. and Proteomyxidea revised". Protist 160 (1): 75–109. February 2009. doi:10.1016/j.protis.2008.07.002. PMID 18952499. 
  4. "Shedding Light on Vampires: The Phylogeny of Vampyrellid Amoebae Revisited". PLOS ONE 7 (2): e31165. February 2012. doi:10.1371/journal.pone.0031165. PMID 22355342. Bibcode2012PLoSO...731165H. 
  5. Lahr D J G; Nguyen T; Lin J H; Katz L A (June 2011). "Comprehensive Phylogenetic Reconstruction of Amoebozoa Based on Concatenated Analyses of SSU-rDNA and Actin Genes". PLOS ONE 6 (7): e22780. doi:10.1371/journal.pone.0022780. PMID 21829512. Bibcode2011PLoSO...622780L. 

References

Wikidata ☰ Q4783589 entry