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Chromatin-mediated feed-forward auxin biosynthesis in floral meristem determinacy

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dc.contributor.author Yamaguchi, Nobutoshi
dc.contributor.author Huang, Jiangbo
dc.contributor.author Tatsumi, Yoshitaka
dc.contributor.author Abe, Masato
dc.contributor.author Sugano, Shigeo S.
dc.contributor.author Kojima, Mikiko
dc.contributor.author Takebayashi, Yumiko
dc.contributor.author Kiba, Takatoshi
dc.contributor.author Yokoyama, Ryusuke
dc.contributor.author Nishitani, Kazuhiko
dc.contributor.author Sakakibara, Hitoshi
dc.contributor.author Ito, Toshiro
dc.date.accessioned 2019-01-11T06:52:37Z
dc.date.available 2019-01-11T06:52:37Z
dc.date.issued 2018-12-11
dc.identifier.uri http://hdl.handle.net/10061/13098
dc.description.abstract In flowering plants, the switch from floral stem cell maintenance to gynoecium (female structure) formation is a critical developmental transition for reproductive success. In Arabidopsis thaliana, AGAMOUS (AG) terminates floral stem cell activities to trigger this transition. Although CRABS CLAW (CRC) is a direct target of AG, previous research has not identified any common targets. Here, we identify an auxin synthesis gene, YUCCA4 (YUC4) as a common direct target. Ectopic YUC4 expression partially rescues the indeterminate phenotype and cell wall defects that are caused by the crc mutation. The feed-forward YUC4 activation by AG and CRC directs a precise change in chromatin state for the shift from floral stem cell maintenance to gynoecium formation. We also showed that two auxin-related direct CRC targets, YUC4 and TORNADO2, cooperatively contribute to the termination of floral stem cell maintenance. This finding provides new insight into the CRC-mediated auxin homeostasis regulation for proper gynoecium formation. ja_JP
dc.language.iso en ja_JP
dc.publisher Springer Nature ja_JP
dc.rights @ The Author(s) 2018 ja_JP
dc.title Chromatin-mediated feed-forward auxin biosynthesis in floral meristem determinacy ja_JP
dc.type.nii Journal Article ja_JP
dc.contributor.transcription ヤマグチ, ノブトシ
dc.contributor.transcription イトウ, トシロウ
dc.contributor.alternative 山口, 暢俊
dc.contributor.alternative 伊藤, 寿朗
dc.identifier.fulltexturl https://doi.org/10.1038/s41467-018-07763-0 ja_JP
dc.textversion publisher ja_JP
dc.identifier.abstracturl https://www.nature.com/articles/s41467-018-07763-0#Abs1 ja_JP
dc.identifier.jtitle Nature Communications ja_JP
dc.identifier.volume 9 ja_JP
dc.identifier.issue 1 ja_JP
dc.relation.doi info:doi/10.1038/s41467-018-07763-0 ja_JP
dc.identifier.artnum 5290 ja_JP
dc.identifier.NAIST-ID 74652033 ja_JP
dc.identifier.NAIST-ID 74651431 ja_JP
dc.relation.pmid 30538233 ja_JP

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