Filasterea

Filasterea
Capsaspora owczarzaki
Capsaspora owczarzaki
Sistematika
RazredFilasterea

Filasterea je predloženu bazni kladus Filozoa koji uključuje grupe Ministeria i Capsaspora.[1] To je sestrinski kladus Choanozoa u kojem su se pojavili Choanoflagellata i Animalia. Izvorno su ih predložili Shalchian-Tabrizi i sur. 2008. godine, na temelju filogenomske analize s desetak gena. Otkriveno je da je Filasterea sestrinska grupa kladusa sastavljenog od Metazoa i Choanoflagellata u sastavu Opisthokonta, a nalaz je dodatno potkrijepljen dodatnim filogenetskim analizama raznolikošću bogatih taksona.[2][3][4]

Etimologija

Imenovane su po latinskiom terminu filum = nit, konac + grčki ' aster = zvijezda , što označava glavna morfološka obilježja koja imaju svi njihovi oblici: mali, zaobljeni amoeboidi s monojedarnim ćelijskim tijelom, prekriveni dugim i zrakastim ćelijskim izraslinama poznatim kao filopodije. One mogu biti uključene u adheziju supstrata i hvatanje plijena.

Aplikacije

Danas postoje kulture dviju filasterskih vrsta: Capsaspora owczarzaki i Ministeria vibrans, prva izolirana iz slatkovodnog puža, a druga morska, slobodnoživeća bakterija. Dobijen je cjelokupni niz gena C. owczarzaki[5] a u toku je sekvenciranje genoma M. vibrans. Uporedne analize pokazale su da je grupaFilasterea ključna za otkrivanje genetičkog repertoara jednoćelijskih predaka životinja i za pružanje uvida u porijeklo Metazoa. Analiza metabarkodiranja ribosomnog 18S u morskom okruženju nije uspjela povezati ostale filasterske predstavnike,[6][7] sugerirajući da ovaj kladus možda nije osobito bogat u prirodnim ekosistemima.

Taksonomija

Opisthokonta  
Holomycota
Zoosporia

Fungi

Opisthosporidia

Cristidiscoidea

Nucleariida

Fonticulida

Holozoa

Ichthyosporea

Pluriformea

Syssomonas

Corallochytrium

Filozoa
Filasterea

Ministeria

Capsaspora

Pigoraptor

Choanozoa

Choanoflagellatea

Animalia

U nekim istraživanjima je otkriveno da je Capsaspora srodnija sa Choanozoa nego Ministeria.[12]

Također pogledajte

Reference

  1. ^ a b c Shalchian-Tabrizi K, Minge MA, Espelund M, et al. (7. 5. 2008). Aramayo R (ured.). "Multigene phylogeny of choanozoa and the origin of animals". PLoS ONE. 3 (5): e2098. Bibcode:2008PLoSO...3.2098S. doi:10.1371/journal.pone.0002098. PMC 2346548. PMID 18461162.
  2. ^ Torruella, Guifré; Derelle, Romain; Paps, Jordi; Lang, B. Franz; Roger, Andrew J.; Shalchian-Tabrizi, Kamran; Ruiz-Trillo, Iñaki (februar 2012). "Phylogenetic relationships within the Opisthokonta based on phylogenomic analyses of conserved single-copy protein domains". Molecular Biology and Evolution. 29 (2): 531–544. doi:10.1093/molbev/msr185. ISSN 1537-1719. PMC 3350318. PMID 21771718.
  3. ^ Torruella, Guifré; de Mendoza, Alex; Grau-Bové, Xavier; Antó, Meritxell; Chaplin, Mark A.; del Campo, Javier; Eme, Laura; Pérez-Cordón, Gregorio; Whipps, Christopher M. (21. 9. 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. ISSN 1879-0445. PMID 26365255.
  4. ^ a b c d e Hehenberger, Elisabeth; Tikhonenkov, Denis V.; Kolisko, Martin; Campo, Javier del; Esaulov, Anton S.; Mylnikov, Alexander P.; Keeling, Patrick J. (2017). "Novel Predators Reshape Holozoan Phylogeny and Reveal the Presence of a Two-Component Signaling System in the Ancestor of Animals". Current Biology. 27 (13): 2043–2050.e6. doi:10.1016/j.cub.2017.06.006. PMID 28648822.
  5. ^ Suga, Hiroshi; Chen, Zehua; Mendoza, Alex de; Sebé-Pedrós, Arnau; Brown, Matthew W.; Kramer, Eric; Carr, Martin; Kerner, Pierre; Vervoort, Michel (14. 8. 2013). "The Capsaspora genome reveals a complex unicellular prehistory of animals". Nature Communications (jezik: engleski). 4: ncomms3325. Bibcode:2013NatCo...4E2325S. doi:10.1038/ncomms3325. PMC 3753549. PMID 23942320.
  6. ^ del Campo, Javier; Ruiz-Trillo, Iñaki (1. 4. 2013). "Environmental Survey Meta-analysis Reveals Hidden Diversity among Unicellular Opisthokonts". Molecular Biology and Evolution (jezik: engleski). 30 (4): 802–805. doi:10.1093/molbev/mst006. ISSN 0737-4038. PMC 3603316. PMID 23329685.
  7. ^ Del Campo, Javier; Mallo, Diego; Massana, Ramon; de Vargas, Colomban; Richards, Thomas A.; Ruiz-Trillo, Iñaki (septembar 2015). "Diversity and distribution of unicellular opisthokonts along the European coast analysed using high-throughput sequencing". Environmental Microbiology. 17 (9): 3195–3207. doi:10.1111/1462-2920.12759. ISSN 1462-2920. PMC 4500835. PMID 25556908.
  8. ^ Adl; et al. (28. 9. 2012), "The Revised Classification of Eukaryotes" (PDF), Journal of Eukaryotic Microbiology, 59 (5): 429–493, doi:10.1111/j.1550-7408.2012.00644.x, PMC 3483872, PMID 23020233, arhivirano s originala (PDF), 16. 12. 2013 CS1 održavanje: nepreporučeni parametar (link)
  9. ^ Silar, Philippe (2016), "Protistes Eucaryotes : Origine, Evolution et Biologie des Microbes Eucaryotes", HAL Archives-ouvertes: 1–462
  10. ^ Ondřej Zicha (1999), "Ministeria", BioLib.cz, pristupljeno 21. 4. 2016
  11. ^ Ruggiero; et al. (29. 4. 2015), "A Higher Level Classification of All Living Organisms", PLoS ONE, 10 (4): e0119248, Bibcode:2015PLoSO..1019248R, doi:10.1371/journal.pone.0119248, PMC 4418965, PMID 25923521
  12. ^ Reynolds, Nicole K.; Smith, Matthew E.; Tretter, Eric D.; Gause, Justin; Heeney, Dustin; Cafaro, Matías J.; Smith, James F.; Novak, Stephen J.; Bourland, William A. (2017). "Resolving relationships at the animal-fungal divergence: A molecular phylogenetic study of the protist trichomycetes (Ichthyosporea, Eccrinida)". Molecular Phylogenetics and Evolution. 109: 447–464. doi:10.1016/j.ympev.2017.02.007. ISSN 1055-7903. PMID 28219758.

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