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Aphanobionta

Aphanobionta (sinonim: Acytota; virusi i viroidi), naziv za viruse i viroide, najsitnije čestice u sustavu Biota. Uzročnici su bolesti kako kod životinja i biljaka tako i kod bakterija i archaea (prabakterija).

Ni virusi kao ni još sitniji viroidi nemaju stanične strukture, a repliciraju se samo unutar neke druge stanice.

Postoje glavne dvije domene: a) Aminoacuea koji obuhvaća diviziju Priones s rodovima BSE, kuru i Scrapie[1] i b) Nucleacuea s virusima i viroidima.[2] U novije vrijeme publiciran je klasifikacijski sustav koji podrazumijeva pet domena, od čega dvije domene obuhvaćaju bezstanične organizme: Prionobiota (bezstanični organizmi bez nukleinske kiseline) i Virusobiota (bezstanični organizmi s nukleinskom kiselinom.[3]

Izvori

[uredi | uredi kôd]
  1. BioLib Aminoacuea
  2. BioLib Nucleacuea
  3. Luketa S. 2012. New views on the megaclassification of life (PDF). Protistology. 7 (4): 218–237. Inačica izvorne stranice (PDF) arhivirana 2. travnja 2015. Pristupljeno 4. listopada 2016.
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Aphanobionta
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