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Fine-tuning of auxin homeostasis governs the transition from floral stem cell maintenance to gynoecium formation

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dc.contributor.author Yamaguchi, Nobutoshi en
dc.contributor.author Huang, Jiangbo en
dc.contributor.author Xu, Yifeng en
dc.contributor.author Tanoi, Keitaro en
dc.contributor.author Ito, Toshiro en
dc.date.accessioned 2017-11-08T05:51:28Z en
dc.date.available 2017-11-08T05:51:28Z en
dc.date.issued 2017-10-24 en
dc.identifier.issn 20411723 en
dc.identifier.uri http://hdl.handle.net/10061/12181 en
dc.description.abstract To ensure successful plant reproduction and crop production, the spatial and temporal control of the termination of the floral meristem must be coordinated. In Arabidopsis, the timing of this termination is determined by AGAMOUS (AG). Following its termination, the floral meristem underdoes gynoecium formation. A direct target of AG, CRABS CLAW (CRC), is involved in both floral meristem determinacy and gynoecium development. However, how floral meristem termination is coordinated with gynoecium formation is not understood. Here, we identify a mechanistic link between floral meristem termination and gynoecium development through fine-tuning of auxin homeostasis by CRC. CRC controls auxin homeostasis in the medial region of the developing gynoecium to generate proper auxin maxima. This regulation partially occurs via direct transcriptional repression of TORNADO2 (TRN2) by CRC. Plasma membrane-localized TRN2 modulates auxin homeostasis. We propose a model describing how regulation of auxin homeostasis mediates the transition from floral meristem termination to gynoecium development. en
dc.language.iso en en
dc.publisher Springer Nature en
dc.rights © The Author(s) 2017 ja
dc.title Fine-tuning of auxin homeostasis governs the transition from floral stem cell maintenance to gynoecium formation en
dc.type.nii Journal Article en
dc.contributor.transcription ヤマグチ, ノブトシ ja
dc.contributor.transcription イトウ, トシロウ ja
dc.contributor.alternative 山口, 暢俊 ja
dc.contributor.alternative 伊藤, 寿朗 ja
dc.textversion author en
dc.identifier.ncid AA12645905 en
dc.identifier.jtitle Nature Communications en
dc.identifier.volume 81 en
dc.relation.doi 10.1038/s41467-017-01252-6 en
dc.identifier.artnum 1125 en
dc.identifier.NAIST-ID 74652033 en
dc.identifier.NAIST-ID 74651431 en

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