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International Journal of Medicinal Mushrooms
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ISSN Imprimer: 1521-9437
ISSN En ligne: 1940-4344

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International Journal of Medicinal Mushrooms

DOI: 10.1615/IntJMedMushrooms.v1.i3.60
pages 235-241

Studies on Microstructures of Vegetative Mycelium in the Medicinal Mushrooms Hericlum ehnaceus (Bull.:Fr.)Pers. and Grifola frondosa (Dicks.:Fr.) S. F. Gray (Aphyllophoromycetideae)

Asja S. Buchalo
M. G. Kholodny Institute of Botany National Academy of Sciences of Ukraine, Tereshchenovskaya Str., 2, Kiev 01601, Ukraine
Solomon P. Wasser
N.G. Kholodny Institute of Botany, NAS of Ukraine, 2 Tereshchenkovskaya Str., Kiev 01004, Ukraine; International Center for Cryptogamic Plants and Fungi, Institute of Evolution, University of Haifa, Mount Carmel, Haifa, Israel
Sergey V. Reshetnikov
N. G. Kholodny Institute of Botany, National Academy of Sciences of Ukraine, 2 Tereshchenkivskaya Str., Kiev 252001, Ukraine; and Med Myco Ltd., Institute of Evolution, University of Haifa, Mt. Carmel, Haifa 31905, Israel
Andrey Ph. Grigansky
M.G.Kholodny Institute of Botany, National Academy of Sciences of Ukraine, Tereshchenkivska Str. 2, Kiev, 252001, Ukraine

RÉSUMÉ

The morphological characteristics of fine hyphal structure, exocellular crystals, and asexual structures were investigated by light and electron scanning microscopy in pure dicaryotic cultures of Grifola frondosa (Dicks.:Fr.) S. F. Gray, and Hericium erinaceus (Bull.:Fr.) Pers. dicaryons and haploid strains. The hyphae of H. erinaceus were found to have numerous clamps with a hole at each septa, exocellullar crystals are of cubic or rectangular shape, and apical and intercallar chlamydospores form on the clamped conidiogenous hyphae. Haploid culture of H. erinaceus formed disintegrated arthroconidia by way of protoplast condensation. Medallion type clamps are characteristic for G. frondosa. Apical and intercallar chlamydospores developed on the dicaryotic mycelium, but they differ from those of H. erinaceus by formation on the clampless hyphae.


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