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キーワード:
WOUND-ACTIVATED TRANSFORMATION; ISOPRENOID BIOSYNTHESIS; TAXIFOLIA;
ALGA; CHLOROPHYTA; ECOSYSTEMS; PATHWAY; DEFENSE; DIATOMSChemistry;
要旨:
The biosynthesis of caulerpenyne 1 was studied in the invasive green alga Caulerpa taxifolia. The investigation was performed on intact algae with stable-isotope-labeled precursors administered under mixotrophic growth conditions, According to the labeling pattern, after incorporation of 1-C-13-acetate and (CO2)-C-13, respectively, the biosynthesis of the sesquiterpene backbone occurs in the chloroplast and follows the methyl-erythritol-4-phosphate (MEP) pathway. In contrast, the acetyl residues of caulerpenyne 1 are derived from a cytosolic resource.
