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Gibberellin-regulated gene in the basal region of rice leaf sheath encodes basic helix–loop–helix transcription factor

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Abstract

Genes regulated by gibberellin (GA) during leaf sheath elongation in rice seedlings were identified using the transcriptome approach. mRNA from the basal regions of leaf sheaths treated with GA3 was analyzed by high-coverage gene expression profiling. 33,004 peaks were detected, and 30 transcripts showed significant changes in the presence of GA3. Among these, basic helix–loop–helix transcription factor (AK073385) was significantly upregulated. Quantitative PCR analysis confirmed that expression of AK073385 was controlled by GA3 in a time- and dose-dependent manner. Basic helix–loop–helix transcription factor (AK073385) is therefore involved in the regulation of gene expression by GA3.

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Abbreviations

GA:

Gibberellin

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Authors and Affiliations

  1. National Institute of Crop Science, Kannondai 2-1-18, Tsukuba, 305-8518, Japan

    Setsuko Komatsu & Hironori Takasaki

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  1. Setsuko Komatsu
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  2. Hironori Takasaki
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Correspondence to Setsuko Komatsu.

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Komatsu, S., Takasaki, H. Gibberellin-regulated gene in the basal region of rice leaf sheath encodes basic helix–loop–helix transcription factor. Amino Acids 37, 231–238 (2009). https://doi.org/10.1007/s00726-008-0138-2

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  • DOI: https://doi.org/10.1007/s00726-008-0138-2

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