OLIGOCELLULA1 /HIGH EXPRESSION OF OSMOTICALLY RESPONSIVE GENES15 Promotes Cell Proliferation With HISTONE DEACETYLASE9 and POWERDRESS During Leaf Development in Arabidopsis thaliana

Frontiers in Plant Science
Marina SuzukiGorou Horiguchi

Abstract

Organ size regulation is dependent on the precise spatial and temporal regulation of cell proliferation and cell expansion. A number of transcription factors have been identified that play a key role in the determination of aerial lateral organ size, but their functional relationship to various chromatin modifiers has not been well understood. To understand how leaf size is regulated, we previously isolated the oligocellula1 (oli1) mutant of Arabidopsis thaliana that develops smaller first leaves than the wild type (WT) mainly due to a reduction in the cell number. In this study, we further characterized oli1 leaf phenotypes and identified the OLI1 gene as well as interaction partners of OLI1. Detailed characterizations of leaf development suggested that the cell proliferation rate in oli1 leaf primordia is lower than that in the WT. In addition, oli1 was associated with a slight delay of the progression from the juvenile to adult phases of leaf traits. A classical map-based approach demonstrated that OLI1 is identical to HIGH EXPRESSION OF OSMOTICALLY RESPONSIVE GENES15 (HOS15). HOS15/OLI1 encodes a homolog of human transducin β-like protein1 (TBL1). TBL1 forms a transcriptional repression complex with the histone deacetylase ...Continue Reading

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Citations

Nov 27, 2019·Proceedings of the National Academy of Sciences of the United States of America·Lennard C van der WoudeMartijn van Zanten
Apr 26, 2020·Journal of Experimental Botany·Jianjun JiangXuehua Zhong
May 20, 2020·Plant Signaling & Behavior·Akhtar Ali, Dae-Jin Yun
May 12, 2019·Plant & Cell Physiology·Yumi NakaiTakato Yano
Jun 9, 2020·Genes & Genomics·Hyekyung SonHee-Jong Koh
Dec 28, 2019·Science China. Life Sciences·Xiangsong ChenXuehua Zhong
Oct 15, 2019·Frontiers in Plant Science·Sandra Fonseca, Vicente Rubio
Nov 18, 2020·Proceedings of the National Academy of Sciences of the United States of America·Mingzhe ShenDae-Jin Yun
Mar 2, 2021·Plant Signaling & Behavior·Chae Jin LimDea-Jin Yun
Aug 22, 2021·Molecular Plant·Sridevi Sureshkumar, Sureshkumar Balasubramanian

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Methods Mentioned

BETA
tandem affinity purification
Transgenic
PCR
Two-Hybrid
Y2H
Fluorescence
Assay
histone acetylation
acetylation

Software Mentioned

ClustalW
ClearSee
BLASTP
R Stats package

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