The MYB107 Transcription Factor Positively Regulates Suberin Biosynthesis
Abstract
Suberin, a lipophilic polymer deposited in the outer integument of the Arabidopsis (Arabidopsis thaliana) seed coat, represents an essential sealing component controlling water and solute movement and protecting seed from pathogenic infection. Although many genes responsible for suberin synthesis are identified, the regulatory components controlling its biosynthesis have not been definitively determined. Here, we show that the Arabidopsis MYB107 transcription factor acts as a positive regulator controlling suberin biosynthetic gene expression in the seed coat. MYB107 coexpresses with suberin biosynthetic genes in a temporal manner during seed development. Disrupting MYB107 particularly suppresses the expression of genes involved in suberin but not cutin biosynthesis, lowers seed coat suberin accumulation, alters suberin lamellar structure, and consequently renders higher seed coat permeability and susceptibility to abiotic stresses. Furthermore, MYB107 directly binds to the promoters of suberin biosynthetic genes, verifying its primary role in regulating their expression. Identifying MYB107 as a positive regulator for seed coat suberin synthesis offers a basis for discovering the potential transcriptional network behind one of the most abundant lipid-based polymers in nature.
- Authors:
-
[1];
[1];
[1];
[1]
- Brookhaven National Lab. (BNL), Upton, NY (United States). Biology Department; Appalachian State University, Boone, NC (United States)
- Publication Date:
- Research Org.:
- Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1347288
- Report Number(s):
- BNL-113545-2017-JA
Journal ID: ISSN 0032-0889
- Grant/Contract Number:
- SC00112704; AC02-98CH10886
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Plant Physiology (Bethesda)
- Additional Journal Information:
- Journal Name: Plant Physiology (Bethesda); Journal Volume: 173; Journal Issue: 2; Journal ID: ISSN 0032-0889
- Publisher:
- American Society of Plant Biologists
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 59 BASIC BIOLOGICAL SCIENCES; Transcription factor; MYB107; Suberin; Cutin; Seed coat; Lamellae
Citation Formats
Gou, Mingyue, Hou, Guichuan, Yang, Huijun, Zhang, Xuebin, Cai, Yuanheng, Kai, Guoyin, and Liu, Chang-Jun. The MYB107 Transcription Factor Positively Regulates Suberin Biosynthesis. United States: N. p., 2016.
Web. doi:10.1104/pp.16.01614.
Gou, Mingyue, Hou, Guichuan, Yang, Huijun, Zhang, Xuebin, Cai, Yuanheng, Kai, Guoyin, & Liu, Chang-Jun. The MYB107 Transcription Factor Positively Regulates Suberin Biosynthesis. United States. https://doi.org/10.1104/pp.16.01614
Gou, Mingyue, Hou, Guichuan, Yang, Huijun, Zhang, Xuebin, Cai, Yuanheng, Kai, Guoyin, and Liu, Chang-Jun. Tue .
"The MYB107 Transcription Factor Positively Regulates Suberin Biosynthesis". United States. https://doi.org/10.1104/pp.16.01614. https://www.osti.gov/servlets/purl/1347288.
@article{osti_1347288,
title = {The MYB107 Transcription Factor Positively Regulates Suberin Biosynthesis},
author = {Gou, Mingyue and Hou, Guichuan and Yang, Huijun and Zhang, Xuebin and Cai, Yuanheng and Kai, Guoyin and Liu, Chang-Jun},
abstractNote = {Suberin, a lipophilic polymer deposited in the outer integument of the Arabidopsis (Arabidopsis thaliana) seed coat, represents an essential sealing component controlling water and solute movement and protecting seed from pathogenic infection. Although many genes responsible for suberin synthesis are identified, the regulatory components controlling its biosynthesis have not been definitively determined. Here, we show that the Arabidopsis MYB107 transcription factor acts as a positive regulator controlling suberin biosynthetic gene expression in the seed coat. MYB107 coexpresses with suberin biosynthetic genes in a temporal manner during seed development. Disrupting MYB107 particularly suppresses the expression of genes involved in suberin but not cutin biosynthesis, lowers seed coat suberin accumulation, alters suberin lamellar structure, and consequently renders higher seed coat permeability and susceptibility to abiotic stresses. Furthermore, MYB107 directly binds to the promoters of suberin biosynthetic genes, verifying its primary role in regulating their expression. Identifying MYB107 as a positive regulator for seed coat suberin synthesis offers a basis for discovering the potential transcriptional network behind one of the most abundant lipid-based polymers in nature.},
doi = {10.1104/pp.16.01614},
journal = {Plant Physiology (Bethesda)},
number = 2,
volume = 173,
place = {United States},
year = {Tue Dec 13 00:00:00 EST 2016},
month = {Tue Dec 13 00:00:00 EST 2016}
}
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