Expression of Terpenoid Biosynthetic Genes and Accumulation of Chemical Constituents in Valeriana fauriei
AbstractValeriana fauriei (V. fauriei), which emits a characteristic and unpleasant odor, is important in traditional medicine. In this study, the expression of terpenoid biosynthetic genes was investigated in different organs that were also screened for volatile compounds including valerenic acid and its derivatives. Specific expression patterns from different parts of V. fauriei were observed using quantitative real-time PCR (qRT-PCR). The highest transcript levels of biosynthetic genes involved in mevalonic acid (MVA) and methylerythritol phosphate (MEP) production were found in the stem. Although the amounts of volatile compounds were varied by organ, most of the volatile terpenoids were accumulated in the root. Gas chromatography mass spectrometry (GC-MS) analysis identified 128 volatile compounds, which represented 65.33% to 95.66% of total volatiles. Certain compounds were only found in specific organs. For example, isovalerenic acid and valerenic acid and its derivatives were restricted to the root. Organs with high transcript levels did not necessarily have high levels of the corresponding chemical constituents. According to these results, we hypothesize that translocation may occur between different organs in V. fauriei. View Full-Text
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Park, Y.J.; Arasu, M.V.; Al-Dhabi, N.A.; Lim, S.S.; Kim, Y.B.; Lee, S.W.; Park, S.U. Expression of Terpenoid Biosynthetic Genes and Accumulation of Chemical Constituents in Valeriana fauriei. Molecules 2016, 21, 691.
Park YJ, Arasu MV, Al-Dhabi NA, Lim SS, Kim YB, Lee SW, Park SU. Expression of Terpenoid Biosynthetic Genes and Accumulation of Chemical Constituents in Valeriana fauriei. Molecules. 2016; 21(6):691.Chicago/Turabian Style
Park, Yun J.; Arasu, Mariadhas V.; Al-Dhabi, Naif A.; Lim, Soon S.; Kim, Yeon B.; Lee, Sang W.; Park, Sang U. 2016. "Expression of Terpenoid Biosynthetic Genes and Accumulation of Chemical Constituents in Valeriana fauriei." Molecules 21, no. 6: 691.
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