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V.I. Bilai (1982)
in Metody eksperimental?noi mikologii
The consistent application of homogenization and enzymatic treatment is required to obtain protoplasts from the basidiomycete fungus Trametes hirsuta. The maximum yield of protoplasts (∼2.5 × 107/mL) was achieved when mycelium in the exponential growth phase (60 h) was used. The maximum stability was observed in MES+ buffer during 4 h of incubation; in this case the titer reduction was 5–7%. Studies of the effect of antioxidants with different antioxidant capacities expressed in mmol equivalents of Trolox (ascorbate, 0.99; α-tocopherol, 1.0; β-carotene, 2.14; quercetin, 3.98) indicated that the yield of protoplasts was increased in the presence of β-carotene and quercetin by 18–24%. The studied antioxidants did not affect the protoplasts stability. The degree of regeneration of protoplasts correlated with the antioxidant capacity of the studied antioxidants and was maximal (0.4%) in the presence of β-carotene and quercetin; it was 0.1% in the presence of MES+. The rate of protoplast growth was two times higher in the presence of β-carotene and quercetin.
Applied Biochemistry and Microbiology – Springer Journals
Published: May 19, 2016
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