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Home Archive 2013 № 2 LIGHT REGULATION OF GROWTH AND MELANIN FORMATION IN Inonotus оbliquus (Pers.) Pilat N. L. Poyedinok
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ISSN 2410-7751 (Print)
ISSN 2410-776X (Online)

"Biotechnologia Acta"
V. 6, No 2, 2013

"Biotechnologia Acta" v. 6, no. 2, 2013
doi: 10.15407/biotech6.02.115
Р. 115-120, Bibliography 18, Russian.
Universal Decimal classification: 577.344:577.19:582.284.3

LIGHT REGULATION OF GROWTH AND MELANIN FORMATION IN Inonotus оbliquus (Pers.) Pilat

N. L. Poyedinok

Kholodny Institute of Botany of National Academy of Sciences of Ukraine, Kyiv

The study aims to investigate possibilities of using different sources of low-intensity light for the regulation of mycelium growth and melanin synthesis by medicinal mushroom Inonotus obliquus (Pers.) Pilat.

Studies of the light’s influence on the linear growth, biomass accumulation and melanin synthesis I. obliquus were performed using experimental installations that provide both lasing (coherent light) with specified parameters, as well as sources of incoherent light. It has been demonstrated that the greatest stimulating effect took place during the irradiation of mycelium with blue light. It has been found that further realization of photobiological effect is largely dependent on the method of cultivation. Irradiation with laser light within all studied wavelength ranges was more conducive to growth, biomass and melanin accumulation in the mushroom mycelium than incoherent light irradiation within the same wavelength range. Light treatment made it possible to significantly reduce the duration of fermentation.

The results of studies allow considering lowintensity light in the visible part of the spectrum as a perspective growth and biosynthetic activity regulator of I. obliquus in the biotechnology of its cultivation.

Key words: Inonotus оbliquus, melanin, photobiological effect, laser light, incoherent light.

© Palladin Institute of Biochemistry of National Academy of Sciences of Ukraine, 2008

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