32 アベナ幼葉鞘の光屈性に関与する成長抑制物質

概要

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We previously reported that the amounts of two growth inhibitors were significantly higher in the agar blocks from the lighted side than in those from the shaded side of phototropically stimulated Avena coleoptiles. In the present study of the growth inhibitors the less polar substance was isolated from Avena coleoptiles exposed to blue light and identified by spectral data as uridine. Since uridine showed an inhibitory activity for the Avena coleoptile section assay, it is suggested that uridine plays an important role in phototropism of Avena coleoptiles.
植物化学調節学会の論文
1999-10-01