Effects of strigolactone-biosynthesis inhibitor TIS108 on Arabidopsis

Shinsaku Ito, Sikihisa Umehara, Atsushi Hanada, Shinjiro Yamaguchi, Tadao Asami

    研究成果: Article査読

    11 被引用数 (Scopus)

    抄録

    TIS108 is a triazole-type strigolactone (SL)-biosynthesis inhibitor that reduces the level of 2'-epi-5-deoxystrigol (epi-5DS) in rice. Here we report the effects of TIS108 on Arabidopsis. Treatment of TIS108 increased the number of branches and repressed root hair elongation as was observed in SL-deficient mutants, and co-application of GR24, a synthetic SL analog, recovered the TIS108-induced phenotype to that of wild-type. In addition, MAX3 and MAX4 genes in the SL-biosynthesis pathway were upregulated in TIS108-treated Arabidopsis, probably due to feedback regulation caused by SL deficiency. These results indicate that TIS108 is an effective tool for regulating SL production in Arabidopsis.

    本文言語English
    ページ(範囲)e24193.1-e24193.3
    ジャーナルPlant Signaling and Behavior
    8
    5
    DOI
    出版ステータスPublished - 2013 5

    ASJC Scopus subject areas

    • 植物科学

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