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Park, Ji Hwan
식물 노화·수명 연구단
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Regulation of stomatal development by stomatal lineage miRNAs

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Title
Regulation of stomatal development by stomatal lineage miRNAs
Author(s)
Jiali Zhu; Ji-Hwan Park; Seulbee Lee; Jae Ho Lee; Daehee Hwang; June M. Kwak; Yun Ju Kim
Subject
PHO2, ; Stomatal development, ; Stomatal lineage miRNA
Publication Date
2020-03
Journal
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, v.117, no.11, pp.6237 - 6245
Publisher
NATL ACAD SCIENCES
Abstract
© 2020 National Academy of Sciences. All rights reserved.Stomata in the plant epidermis play a critical role in growth and survival by controlling gas exchange, transpiration, and immunity to pathogens. Plants modulate stomatal cell fate and patterning through key transcriptional factors and signaling pathways. MicroRNAs (miRNAs) are known to contribute to developmental plasticity in multicellular organisms; however, no miRNAs appear to target the known regulators of stomatal development. It remains unclear as to whether miRNAs are involved in stomatal development. Here, we report highly dynamic, developmentally stage-specific miRNA expression profiles from stomatal lineage cells. We demonstrate that stomatal lineage miRNAs positively and negatively regulate stomatal formation and patterning to avoid clustered stomata. Target prediction of stomatal lineage miRNAs implicates potential cellular processes in stomatal development. We show that miR399-mediated PHO2 regulation, involved in phosphate homeostasis, contributes to the control of stomatal development. Our study demonstrates that miRNAs constitute a critical component in the regulatory mechanisms controlling stomatal development
URI
https://pr.ibs.re.kr/handle/8788114/8322
DOI
10.1073/pnas.1919722117
ISSN
0027-8424
Appears in Collections:
Center for Plant Aging Research (식물 노화·수명 연구단) > 1. Journal Papers (저널논문)
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