Observations on germination of chlamydospores and capture of nematodes in <i>Cystopage cladospora</i> (Zoopagales, Zygomycota)

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  • <i>Cystopage cladospora</i> (接合菌綱トリモチカビ目) における厚膜胞子の発芽とセンチュウ捕食
  • Cystopage cladospora(接合菌綱トリモチカビ目)における厚膜胞子の発芽とセンチュウ捕食
  • Cystopage cladospora セツゴウキン コウ トリモチカビモク ニ オケル コウマクホウシ ノ ハツガ ト センチュウ ホショク

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Abstract

<p>Germination of chlamydospores was observed for the first time in the Zoopagales, Zygomycetes including the genus Cystopage. The chlamydospores of C. cladospora developed one or two germination tubes showing active protoplasmic movement. The active movement began, at least 24 h before germination, though most of the chlamydospores on the agar plate showed slow movement of protoplasm even in old cultures. The germ tubes, or initial vegetative hyphae, soon captured nematodes if present. The vegetative hypha was found by cinematography to develop a subspherical infection protuberance, 1-2 mm wide, in less than 2 sec at each site of contact with a nematode. The presence of the infection protuberance was also observed for the first time for this species.</p>

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