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The treatment of hairy roots of Hyoscyamus albus with copper sulfate (Cu2+) and methyl jasmonate (JAMe) produced several phytoalexins having the vetispyrane skeleton. Lubimin and solavetivone were isolated after treatment with Cu2+. Seven sesquiterpenoid phytoalexins were isolated from the culture
The ability of methyl jasmonate (MeJa) to induce sesquiterpene production in root cultures of Hyoscyamus muticus has been studied. Although MeJa alone could not induce sesquiterpene in unwounded culture, MeJa added in the presence of wounding displayed a dose-dependent response, saturating at 50 µM.
The elicitation of Hyoscyamus muticus root and cell suspension cultures by fungal elicitor from Rhizoctonia solani causes dramatic changes in respiration, nutrient yields, and growth. Cells and mature root tissues have similar specific oxygen uptake rates (SOUR) before and after the onset of the