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Xylemin - (a Polyamine Inducing Xylem Differentiation) and Synthetic Proauxin

Xylemin dihydrochloride (1) is a polyamine whose unique function was reported by Takahashi and Motose et al.1) 1 promotes xylem differentiation with a synthetic proauxin (2,4-D IOE, 2) by the inhibition of biosynthesis of thermospermine, which suppresses xylem differentiation. 1 is anticipated to be used in the research and development of agrochemicals and biomass energy.

X0080,O0518

Cotyledons of Nicotiana benthamiana cleared after fixation.

Cotyledons of Nicotiana benthamiana cleared after fixation.

(Left: Grown in the media not containing 1 and 2) (Right: Grown in the media containing 1 and 2)

Xylemin’s effect on dwarfing

Xylemin’s effect on dwarfing.

(Right: Arabidopsis thaliana grown with xylemin applied on its shoot apex.)

Images and every kind of information were provided by Prof. Taku Takahashi and Assoc. Prof. Yasuhiro Motose.

References