Cleistothecium

Cleistothecium

Ein Cleistothecium oder Kleistothecium ist eine Art von Fruchtkörper, wie er bei manchen Schlauchpilzen (Ascomycota) auftritt.

Ein Cleistothecium ist ein nahezu rundes Ascoma ohne präformierte Öffnung, mit einfacher oder mehrschichtiger Wand. Cleistothecien sind häufig von Hülle-Zellen oder Peridien umgeben. Die Freisetzung der Sporen erfolgt durch mechanische Zerstörung des Cleistothecium oder durch Quellung innerer Strukturen, die die Cleistothek zum Platzen bringen.

Cleistothecien werden zum Beispiel von den Gattungen Emericella und Eurotium gebildet.

Quellen

  • Heinrich Dörfelt, Gottfried Jetschke (Hrsg.): Wörterbuch der Mykologie. 2. Auflage. Spektrum, Heidelberg 2001, ISBN 3-8274-0920-9, S. 69.
  • Kenneth B. Raper, Dorothy I. Fennel: The Genus Aspergillus. Williams & Wilkins, Baltimore 1965, S. 27ff.

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  • cleistothecium — n. the closed spore bearing structure of some fungi (especially {Aspergillaceae} and {Eurysiphaceae}) from which spores are released only by decay or disintegration; called also {cleistocarp}. Syn: cleistocarp. [WordNet 1.5] …   The Collaborative International Dictionary of English

  • cleistothecium — cleistocarp cleistocarp n. the closed spore bearing structure of some fungi (especially {Aspergillaceae} and {Eurysiphaceae}) from which spores are released only by decay or disintegration; called also {cleistothecium}. Syn: cleistothecium.… …   The Collaborative International Dictionary of English

  • cleistothecium — /kluy steuh thee shee euhm, see euhm/, n., pl. cleistothecia / shee euh, see euh/. (in certain ascomycetous fungi) a closed, globose ascocarp from which the ascospores are released only by its rupture or decay. Also, clistothecium. [CLEISTO +… …   Universalium

  • cleistothecium — noun A closed ascocarp, in some fungi, from which spores are released following deacy or disintegration …   Wiktionary

  • cleistothecium — In fungi, an ascocarp that is closed, with randomly dispersed asci. [G. kleistos, enclosed, + theke, box] * * * cleis·to·the·ci·um .klīs tə thē sē əm n, pl cia sē ə a closed spore bearing structure in some ascomycetous fungi from which the asci… …   Medical dictionary

  • cleistothecium — cleis·to·the·ci·um …   English syllables

  • cleistothecium — noun closed spore bearing structure of some fungi (especially Aspergillaceae and Erysiphaceae) from which spores are released only by decay or disintegration • Syn: ↑cleistocarp • Hypernyms: ↑ascocarp * * * /kluy steuh thee shee euhm, see euhm/,… …   Useful english dictionary

  • cleistocarp — cleistothecium cleistothecium n. the closed spore bearing structure of some fungi (especially {Aspergillaceae} and {Eurysiphaceae}) from which spores are released only by decay or disintegration; called also {cleistocarp}. Syn: cleistocarp.… …   The Collaborative International Dictionary of English

  • Ascocarp — Diagram of an apothecium showing sterile tissues as well as developing and mature asci. An ascocarp, or ascoma (plural: ascomata), is the fruiting body (sporocarp) of an ascomycete fungus. It consists of very tightly interwoven hyphae and may… …   Wikipedia

  • Uncinula necator — Scientific classification Kingdom: Fungi Division …   Wikipedia

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