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Tryptamine and sakuranetin accumulation in Sekiguchi lesions associated with the light-enhanced resistance of the lesion mimic mutant of rice to Magnaporthe oryzae
Saturday, 2015/01/31 | 16:27:40

Makoto Ueno, Junichi Kihara, Sakae Arase

Journal of General Plant Pathology January 2015, Volume 81, Issue 1, pp 1-4

Abstract

In a study on the correlation between tryptamine levels and sakuranetin accumulation in the Sekiguchi lesion mutant (SLM) of rice, accumulation was found to be light dependent after inoculation with Magnaporthe oryzae. It was also induced by treatment with tryptamine under white light, but not in the dark. Light-dependent sakuranetin accumulation induced by tryptamine treatment or by infection with M. oryzae was significantly inhibited in the leaves pretreated with metalaxyl, a monoamine oxidase inhibitor. These results suggest that light-dependent accumulation of tryptamine induces sakuranetin production in the SLM of rice.

 

See http://link.springer.com/article/10.1007/s10327-014-0560-0

 

Tryptamine structure.png Tryptamine-3d-sticks.png

Tryptamine

Sakuranetin

Sukuranetine

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