Establishment mechanism of local auxin accumulation to determine the initiation position of plant organogenesis
| Project/Area Number |
18H02463
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Review Section |
Basic Section 44030:Plant molecular biology and physiology-related
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| Research Institution | Kobe University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
郷 達明 奈良先端科学技術大学院大学, 先端科学技術研究科, 助教 (80511419)
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| Project Period (FY) |
2018-04-01 – 2021-03-31
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| Project Status |
Completed (Fiscal Year 2020)
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| Budget Amount *help |
¥17,160,000 (Direct Cost: ¥13,200,000、Indirect Cost: ¥3,960,000)
Fiscal Year 2020: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2019: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2018: ¥6,240,000 (Direct Cost: ¥4,800,000、Indirect Cost: ¥1,440,000)
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| Keywords | 器官形成 / 側根形成 / オーキシン / 細胞内膜輸送 / シロイヌナズナ / 器官発生 |
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| Outline of Final Research Achievements |
To elucidate the establishment mechanism of local auxin accumulation that determines the initiation of plant organogenesis, this research focused on GNOM, which encodes an ADP-ribosylation factor guanine nucleotide-exchange factor (Arf GEF) for the Arf GTPase, and conducted physiological and developmental analyses using the fwr mutant and fsp suppressor mutants that restore lateral root formation in fwr. As a result, we clarified part of the establishment mechanism of local auxin accumulation via GNOM in the initiation of lateral root formation.
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| Academic Significance and Societal Importance of the Research Achievements |
植物器官の形成開始を決定する局所的なオーキシン蓄積の確立機構を理解することは、植物生理学・発生学分野の進展に大きく貢献することが期待される。本研究は、その機構に関わる新たな細胞内膜輸送系を明らかにする点でインパクトがあるとともに、器官の形成開始位置を調節して農作物・園芸品種の器官形成パターンを改良する技術につながる点においても創造性がある。
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Report
(3 results)
Research Products
(22 results)
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[Journal Article] Cytoskeleton Dynamics Are Necessary for Early Events of Lateral Root Initiation in Arabidopsis2019
Author(s)
Vilches Barro A, Stockle D, Thellmann M, Ruiz-Duarte P, Bald L, Louveaux M, von Born P, Denninger P, Goh T, Fukaki H, Vermeer JEM, Maizel A.
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Journal Title
Curr. Biol.
Volume: 29
Pages: 2443-2454
DOI
NAID
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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[Journal Article] PUCHI regulates very long chain fatty acid biosynthesis during lateral root and callus formation2019
Author(s)
Trinh DC, Lavenus J, Goh T, Boutte Y, Drogue Q, Vaissayre V, Tellier F, Lucas M, Voss U, Gantet P, Faure JD, Dussert S, Fukaki H, Bennett MJ, Laplaze L, Guyomarc'h S.
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Journal Title
Proc. Natl. Acad. Sci. U. S. A.
Volume: 116
Pages: 14325-14330
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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[Journal Article] Lateral inhibition by a peptide hormone-receptor cascade during Arabidopsis lateral root founder cell formation.2019
Author(s)
Toyokura K, Goh T, Shinohara H, Shinoda A, Kondo Y, Okamoto Y, Uehara T, Fujimoto K, Okushima Y, Ikeyama Y, Nakajima K, Mimura T, Tasaka M, Matsubayashi Y and Fukaki H.
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Journal Title
Dev. Cell
Volume: 48
Pages: 64-75
DOI
Related Report
Peer Reviewed / Open Access
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