Mechanically induced localisation of SECONDARY WALL INTERACTING bZIP is associated with thigmomorphogenic and secondary cell wall gene expression

Mechanically induced localisation of SECONDARY WALL INTERACTING bZIP is associated with thigmomorphogenic and secondary cell wall gene expression

Plant growth requires the integration of internal and external cues, perceived and transduced into a developmental programme of cell division, elongation and wall thickening. Mechanical forces contribute to this regulation, and thigmomorphogenesis typically includes reducing stem height, increasing...

Full description

Saved in:
Bibliographic Details
Published in:Quantitative plant biology Vol. 5; p. e5
Main Authors: Coomey, Joshua H, MacKinnon, Kirk J-M, McCahill, Ian W, Khahani, Bahman, Handakumbura, Pubudu P, Trabucco, Gina M, Mazzola, Jessica, Leblanc, Nicole A, Kheam, Rithany, Hernandez-Romero, Miriam, Barry, Kerrie, Liu, Lifeng, Lee, Ji E, Vogel, John P, O'Malley, Ronan C, Chambers, James J, Hazen, Samuel P
Format: Journal Article
Language:English
Published: England Cambridge University Press 2024
Cambridge University Press (CUP)
Subjects:
Biosynthesis
Brachypodium distachyon
Cell division
Cell walls
Cellulose
Cytoplasm
Elongation
Exons
Gene expression
Glycosidases
Glycoside hydrolase
Grasses
Homeostasis
Introns
Kinases
Lignin
Localization
Original
Plant growth
Proteins
secondary cell wall
Stems
thigmomorphogenesis
Transcription factors
Transcriptomics
thigmomorphogenesis
secondary cell wall
gene expression
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Plant growth requires the integration of internal and external cues, perceived and transduced into a developmental programme of cell division, elongation and wall thickening. Mechanical forces contribute to this regulation, and thigmomorphogenesis typically includes reducing stem height, increasing stem diameter, and a canonical transcriptomic response. We present data on a bZIP transcription factor involved in this process in grasses. SECONDARY WALL INTERACTING bZIP (SWIZ) protein translocated into the nucleus following mechanostimulation. Classical touch-responsive genes were upregulated in roots following touch, including significant induction of the glycoside hydrolase 17 family, which may be unique to grass thigmomorphogenesis. SWIZ protein binding to an E-box variant in exons and introns was associated with immediate activation followed by repression of gene expression. overexpression resulted in plants with reduced stem and root elongation. These data further define plant touch-responsive transcriptomics and physiology, offering insights into grass mechanotranduction dynamics.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
AC02-05CH11231; FG02-08ER64700DE; SC0006641
USDOE Office of Science (SC), Biological and Environmental Research (BER)
Associate Editor: Dr. Olivier Hamant
ISSN:2632-8828
2632-8828
DOI:10.1017/qpb.2024.5