A biosynthetic pathway of sesquiterpene lactones in Smallanthus sonchifolius and their localization in leaf tissues by MALDI imaging

The biosynthetic route for epoxyangelate esters of the sesquiterpene lactones (STL) uvedalin and enhydrin from in vitro cultures of Smallanthus sonchifolius (Asteraceae) was investigated with (13)C-precursors for the first time in the literature. Photomicroscope analyses and studies using MALDI-MS i...

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Veröffentlicht in:	Chemical communications (Cambridge, England) England), 2013-01, Vol.49 (85), p.9989-9991
Hauptverfasser:	Lopes, Adriana A, Pina, Edieidia S, Silva, Denise B, Pereira, Ana Maria S, da Silva, Maria Fátima das G F, Da Costa, Fernando B, Lopes, Norberto P, Pupo, Mônica T
Format:	Artikel
Sprache:	eng
Schlagworte:	Asteraceae - chemistry Biosynthetic Pathways Cells, Cultured Esters - chemistry Lactones - chemistry Molecular Structure Plant Leaves - chemistry Sesquiterpenes - chemistry Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization
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Beschreibung
Zusammenfassung:	The biosynthetic route for epoxyangelate esters of the sesquiterpene lactones (STL) uvedalin and enhydrin from in vitro cultures of Smallanthus sonchifolius (Asteraceae) was investigated with (13)C-precursors for the first time in the literature. Photomicroscope analyses and studies using MALDI-MS imaging confirmed that glandular trichomes accumulate STL.
ISSN:	1359-7345 1364-548X
DOI:	10.1039/c3cc46213g