Article
CHOTTO1, a putative double APETALA2 repeat transcription factor, is involved in abscisic acid-mediated repression of gibberellin biosynthesis during seed germination in Arabidopsis.
Plant physiology - 1 Oct 2009
Yano Ryoichi, Kanno Yuri, Jikumaru Yusuke, Nakabayashi Kazumi, Kamiya Yuji, Nambara Eiji
Abstract excerpt
The phytohormones abscisic acid (ABA) and gibberellins (GAs) are the primary signals that regulate seed dormancy and germination. In this study, we investigated the role of a double APETALA2 repeat transcription factor, CHOTTO1 (CHO1), in seed dormancy, germination, and phytohormone metabolism of Arabidopsis (Arabidopsis thaliana). Wild-type seeds were dormant when freshly harvested seeds were sown, and these...
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