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The Rice Rolled Fine Striped (RFS) CHD3/Mi-2 Chromatin Remodeling Factor Epigenetically Regulates Genes Involved in Oxidative Stress Responses During Leaf Development

Overview of attention for article published in Frontiers in Plant Science, March 2018
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Title
The Rice Rolled Fine Striped (RFS) CHD3/Mi-2 Chromatin Remodeling Factor Epigenetically Regulates Genes Involved in Oxidative Stress Responses During Leaf Development
Published in
Frontiers in Plant Science, March 2018
DOI 10.3389/fpls.2018.00364
Pubmed ID
Authors

Sung-Hwan Cho, Chung-Hee Lee, Eunji Gi, Yehyun Yim, Hee-Jong Koh, Kiyoon Kang, Nam-Chon Paek

Abstract

In rice (Oryza sativa), moderate leaf rolling increases photosynthetic competence and raises grain yield; therefore, this important agronomic trait has attracted much attention from plant biologists and breeders. However, the relevant molecular mechanism remains unclear. Here, we isolated and characterizedRolled Fine Striped(RFS), a key gene affecting rice leaf rolling, chloroplast development, and reactive oxygen species (ROS) scavenging. Therfs-1gamma-ray allele and therfs-2T-DNA insertion allele ofRFSfailed to complement each other and their mutants had similar phenotypes, producing extremely incurved leaves due to defective development of vascular cells on the adaxial side. Map-based cloning showed that therfs-1mutant harbors a 9-bp deletion in a gene encoding a predicted CHD3/Mi-2 chromatin remodeling factor belonging to the SNF2-ATP-dependent chromatin remodeling family.RFSwas expressed in various tissues and accumulated mainly in the vascular cells throughout leaf development. Furthermore,RFSdeficiency resulted in a cell death phenotype that was caused by ROS accumulation in developing leaves. We found that expression of five ROS-scavenging genes [encoding catalase C, ascorbate peroxidase 8, a putative copper/zinc superoxide dismutase (SOD), a putative SOD, and peroxiredoxin IIE2] decreased inrfs-2mutants. Western-blot and chromatin immunoprecipitation (ChIP) assays demonstrated thatrfs-2mutants have reduced H3K4me3 levels in ROS-related genes. Loss-of-function inRFSalso led to multiple developmental defects, affecting pollen development, grain filling, and root development. Our results suggest that RFS is required for many aspects of plant development and its function is closely associated with epigenetic regulation of genes that modulate ROS homeostasis.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 21 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 21 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 6 29%
Student > Doctoral Student 2 10%
Student > Ph. D. Student 2 10%
Student > Bachelor 1 5%
Lecturer 1 5%
Other 3 14%
Unknown 6 29%
Readers by discipline Count As %
Agricultural and Biological Sciences 10 48%
Biochemistry, Genetics and Molecular Biology 3 14%
Nursing and Health Professions 1 5%
Medicine and Dentistry 1 5%
Unknown 6 29%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 06 April 2018.
All research outputs
#20,480,611
of 23,041,514 outputs
Outputs from Frontiers in Plant Science
#16,480
of 20,598 outputs
Outputs of similar age
#293,443
of 332,297 outputs
Outputs of similar age from Frontiers in Plant Science
#412
of 466 outputs
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