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. 1986 Aug;81(4):976–979. doi: 10.1104/pp.81.4.976

Phototropism in Hypocotyls of Radish 1

I. Isolation and Identification of Growth Inhibitors, cis- and trans-Raphanusanins and Raphanusamide, Involved in Phototropism of Radish Hypocotyls

Koji Hasegawa 1,2, H Noguchi 1,2, T Iwagawa 1,2, T Hase 1,2
PMCID: PMC1075470  PMID: 16664968

Abstract

Three growth inhibitors which might be involved in phototropism of Sakurajima radish (Raphanus sativus var. hortensis f. gigantissimus Makino) hypocotyls, were isolated as crystalline forms from light-exposed radish seedlings and identified as cis- and trans-raphanusanins and 6-methoxy-2,3,4,5-tetrahydro-1,3-oxazepin-2-one (designated raphanusamide). The cis- and trans-raphanusanins inhibited growth of etiolated radish hypocotyls at concentrations higher than 1.5 micromolar, raphanusamide at concentrations higher than 20 micromolar.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

  1. Hasegawa K., Shiihara S., Iwagawa T., Hase T. Isolation and identification of a new growth inhibitor, raphanusanin, from radish seedlings and its role in light inhibition of hypocotyl growth. Plant Physiol. 1982 Aug;70(2):626–628. doi: 10.1104/pp.70.2.626. [DOI] [PMC free article] [PubMed] [Google Scholar]

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