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Pleomorphic conidiation in Claviceps

  1. 1.
    0100365 - MBU-M 20040055 RIV GB eng J - Journal Article
    Pažoutová, Sylvie - Kolařík, Miroslav - Kolínská, Renáta
    Pleomorphic conidiation in Claviceps.
    [Pleomorfní konidiace u námelu.]
    Mycological Research. Roč. 108, č. 2 (2004), s. 126-135. ISSN 0953-7562
    R&D Projects: GA MŠMT OC 835.30; GA ČR GA522/02/1206; GA ČR GA206/97/0611
    Keywords : c.purpurea * c.zizaniae * rdna
    Subject RIV: EE - Microbiology, Virology
    Impact factor: 1.130, year: 2004

    Three types of asexual sporulation in 17 Claviceps species and the closely related Corallocytostroma ornicopreoides were revised in relation to the phylogeny of clavicipitaceous fungi: 1. enteroblastic conidiation from branched phialidic conidiophores typical of the genus (anamorph Sphacelia) in all species; 2 widespread and often sequential formation of terminal holoblastic secondary conidia on tapering hyphae arising from sphacelial macroconidia; 3. sympodial holoblastic conidiation of the Ephelis-type in cultures of C. zizaniae and in both the culture and sphacelial tissue of C. citrina. Secondary conidiation was not found in C. purpurea, C. citrina and C. sorghicola.

    U 17 druhů rodu Claviceps jsme nalezli 1. enteroblastickou konidiaci typickou pro tento rod (anamorfa Sphacelia); 2. často sériovou tvorbu terminálních holoblastických konidií (sekundární konidiace); 3. sympodiální holoblastickou konidiaci typu Ephelis v kulturách Claviceps zizaniae a v kulturách i přírodních sfaceliích druhu C. citrina. Sekundární konidiace nebyla nalezena u C. purpurea, C. citrina a C. sorghicola.
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