Postciliodesmatophora

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Postciliodesmatophora
Blepharisma japonicum

Blepharisma japonicum

Systematics
Domain : Eukaryotes (eukaryota)
without rank: Diaphoreticks
without rank: Sar
without rank: Alveolata
without rank: Ciliates (ciliophora)
without rank: Postciliodesmatophora
Scientific name
Postciliodesmatophora
Gerassimova & Seravin, 1976

The Postciliodesmatophora are one of the two sub-taxa of the ciliate animals . They comprise almost 60 genera and are therefore significantly smaller than their sister taxon Intramacronucleata .

features

Postciliodesmatophora are comparatively large and usually elongated in shape. They are very contractile, so they can contract a lot. The alveoli of the outer layer are only weakly pronounced, the somatic kinetes (the rows of eyelashes on the "oral cavity") have dikinetides with so-called postciliodesmata (fibers consisting of overlapping, stacked postciliar microtubule bands ), after which the group was named. Parasomalsäcke missing as somatic Extrusome come Mucocysten , Rhabdocysten and Pigmentocysten ago. The structures of the oral area are extremely variable.

Cell division is always isotomic, i.e. into two daughter cells of the same size. The Proter's oral system goes through a phase of regression and redevelopment before or during cytokinesis .

ecology

Representatives of the Postciliodesmatophora are widespread. They are both sessile and free-swimming; they rarely live as symbionts .

Systematics

The group is divided into two sub-taxas:

proof

Footnotes directly after a statement confirm this individual statement, footnotes directly after a punctuation mark the entire preceding sentence. Footnotes after a space refer to the entire preceding text.

  1. a b c d Denis H. Lynn: The Ciliated Protozoa , p. 341, ISBN 978-1-4020-8238-2 , 2010