Phototropic stimulation induces the conversion of glucosinolate to phototropism-regulating substances of radish hypocotyls.

@article{Hasegawa2000PhototropicSI,
  title={Phototropic stimulation induces the conversion of glucosinolate to phototropism-regulating substances of radish hypocotyls.},
  author={Toshihiro Hasegawa and Kosumi Yamada and Seiji Kosemura and Shosuke Yamamura and Koji Hasegawa},
  journal={Phytochemistry},
  year={2000},
  volume={54 3},
  pages={
          275-9
        }
}
The distribution of natural growth inhibitors, the raphanusanins (isomers of 3-(methylthio)methylene-2-pyrrolidinethione) and their precursors (4-methylthio-3-butenyl glucosinolate (MTBG) and 4-methylthio-3-butenyl isothiocyanate (MTBI), between illuminated and shaded halves of radish hypocotyls during phototropic curvature was analyzed using a physicochemical assay. Phototropic stimulation rapidly decreased MTBG content, and abruptly increased contents of MTBI and raphanusanins in the… CONTINUE READING
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