What question did this study set out to answer?

To investigate the regulatory mechanisms controlling membrane-bound ONAC054 activity during abscisic acid-induced leaf senescence in rice.

January 6, 2020The Plant CellOpen Access

Multilayered Regulation of Membrane-Bound ONAC054 Is Essential for Abscisic Acid-Induced Leaf Senescence in Rice

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Authors

YSYasuhito SakurabaTokyo University of Agriculture DKDami KimEwha Womans University SHSu-Hyun HanSeoul National University

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Implication

Experimental study reveals multilayered regulation of membrane-bound ONAC054 during abscisic acid-induced leaf senescence in rice, highlighting complex post-transcriptional controls.

Key Points

To investigate the regulatory mechanisms controlling membrane-bound ONAC054 activity during abscisic acid-induced leaf senescence in rice.
Analyzed splicing variation and nucleotide insertions between intron 5 and exon 6 of ONAC054.
Evaluated the subcellular localization and structural differences between ONAC054α and ONAC054β isoforms.
A seven-nucleotide insertion between intron 5 and exon 6 produces a premature stop codon that truncates the ONAC054α protein.
The truncated ONAC054β isoform lacks the transmembrane domain, resulting in relocation to the nucleus to regulate abscisic acid-induced leaf senescence.

Cite This Study

Sakuraba et al. (2020) studied this question.

synapsesocial.com/papers/6a7f28077caf4fb4be694808 https://doi.org/10.1105/tpc.19.00569

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Implication

Experimental study reveals multilayered regulation of membrane-bound ONAC054 during abscisic acid-induced leaf senescence in rice, highlighting complex post-transcriptional controls.

Multilayered Regulation of Membrane-Bound ONAC054 Is Essential for Abscisic Acid-Induced Leaf Senescence in Rice

Discussion

Member takes

Implication

Key Points

Cite This Study

Multilayered Regulation of Membrane-Bound ONAC054 Is Essential for Abscisic Acid-Induced Leaf Senescence in Rice

Discussion

Member takes

Implication

Key Points

Cite This Study

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