Rice CHD3/Mi-2 chromatin remodeling factor RFS regulates vascular development and root formation by modulating the transcription of auxin-related genes NAL1 and OsPIN1.

Hyeryung Yoon, Chaemyeong Lim, Bo Lyu, Qisheng Song, So-Yon Park, Kiyoon Kang, Sung-Hwan Cho, Nam-Chon Paek

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Article in BMB reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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8 authors.

Hyeryung YoonDepartment of Agriculture, Forestry and Bioresources, Plant Genomics and Breeding Institute, Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea.

Chaemyeong LimDepartment of Agriculture, Forestry and Bioresources, Plant Genomics and Breeding Institute, Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea.

Bo LyuDivision of Plant Science and Technology, University of Missouri, Columbia, MO 65211, USA.

Qisheng SongDivision of Plant Science and Technology, University of Missouri, Columbia, MO 65211, USA.

So-Yon ParkDivision of Plant Science and Technology, University of Missouri, Columbia, MO 65211, USA.

Kiyoon KangDivision of Life Sciences, Incheon National University, Incheon 22012, Korea.

Sung-Hwan ChoDepartment of Agriculture, Forestry and Bioresources, Plant Genomics and Breeding Institute, Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea.

Nam-Chon PaekDepartment of Agriculture, Forestry and Bioresources, Plant Genomics and Breeding Institute, Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea.

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6 · The paper itself

Abstract

The vascular system in plants facilitates long-distance transportation of water and nutrients through the xylem and phloem, while also providing mechanical support for vertical growth. Although many genes that regulate vascular development in rice have been identified, the mechanism by which epigenetic regulators control vascular development remains unclear. This study found that Rolled Fine Striped (RFS), a Chromodomain Helicase DNA-binding 3 (CHD3)/Mi-2 subfamily protein, regulates vascular development in rice by affecting the initiation and development of primordia. The rfs mutant was found to affect auxin-related genes, as revealed by RNA sequencing and reverse transcription-quantitative PCR analysis. The transcript levels of OsPIN1 and NAL1 genes were downregulated in rfs mutant, compared to the wild-type plant. The chromatin immunoprecipitation assays showed lower levels of H3K4me3 in the OsPIN1a and NAL1 genes in rfs mutant. Furthermore, exogenous auxin treatment partially rescued the reduced adventitious root vascular development in rfs mutant. Subsequently, exogenous treatments with auxin or an auxin-transport inhibitor revealed that the expression of OsPIN1a and NAL1 is mainly affected by auxin. These results provide strong evidence that RFS plays an important role in vascular development and root formation through the auxin signaling pathway in rice. [BMB Reports 2024; 57(10): 441-446].

Indexed as

Gene Expression Regulation, PlantIndoleacetic AcidsOryzaPlant ProteinsPlant RootsChromatin Assembly and DisassemblyMutationIndoleacetic AcidsPlant Proteins

Identifiers

PMID39044456

PMCPMC11524826

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.