Journal of Stress Physiology & Biochemistry, Vol. 13 No. 2 2017, pp. 26-34 ISSN 1997-0838
Original Text Copyright (cc) 2017 by  Vetchinkina and Nikitina

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Effect of Cold Stress on Fruiting Body Production by Medicinal Basidiomycetes in Submerged and Solid-phase Culture

E.P. Vetchinkina*, V.E. Nikitina

Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, Saratov, Russia


Received February 20, 2017

The ability of the medicinal xylotrophic basidiomycetes Lentinus edodes, Pleurotus ostreatus, Ganoderma lucidum and Grifola frondosa to produce typical and atypical fruiting bodies with viable basidiospores in submerged and solid-phase culture under stationary conditions in a beer wort-containing medium under cold stress was shown. The examined mushrooms, when not exposed to temperature stress, did not form fruiting bodies. In solid-phase culture in an agarized medium after cold treatment, the basidiome formation period was shortened by 1.5–2 times. Furthermore, the use of a mycelium subjected to temperature stress for inoculation induced and accelerated the formation of fruiting bodies on an industrial wood substrate, which is of great biotechnological importance.

Key words:    xylotrophic basidiomycetes, submerged and solid-phase cultivation, typical and atypical fruiting bodies, cold stress

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