ArticleProtoplasma2007
Intracellular localization of integrin-like protein and its roles in osmotic stress-induced abscisic acid biosynthesis in Zea mays.
Article in Protoplasma, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 18 citations in OpenAlex.
- The Arabidopsis thaliana integrin-like gene AT14A improves drought tolerance in Solanum lycopersicum.Journal of plant research · 2023Article
- Silver Nanoparticles Alter Microtubule Arrangement, Dynamics and Stress Phytohormone Levels.Plants (Basel, Switzerland) · 2022Article
- In Situ Observation of Abscisic Acid Distribution in Major Crop Species by Immunofluorescence Labeling.Methods in molecular biology (Clifton, N.J.) · 2022Article
- Surviving a Dry Future: Abscisic Acid (ABA)-Mediated Plant Mechanisms for Conserving Water under Low Humidity.Plants (Basel, Switzerland) · 2017Review
- The right motifs for plant cell adhesion: what makes an adhesive site?Protoplasma · 2017Review
- At14a-Like1 participates in membrane-associated mechanisms promoting growth during drought in Arabidopsis thaliana.Proceedings of the National Academy of Sciences of the United States of America · 2015Article
- Overexpression of AT14A confers tolerance to drought stress-induced oxidative damage in suspension cultured cells of Arabidopsis thaliana.Protoplasma · 2015Article
- Plasmolysis: Loss of Turgor and Beyond.Plants (Basel, Switzerland) · 2014Article
- AT14A mediates the cell wall-plasma membrane-cytoskeleton continuum in Arabidopsis thaliana cells.Journal of experimental botany · 2012Article
- Re-examining the role of ABA as the primary long-distance signal produced by water-stressed roots.Plant signaling & behavior · 2010Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plants have evolved many mechanisms to cope with adverse environmental stresses. Abscisic acid (ABA) accumulates significantly in plant cells in response to drought conditions, and this is believed to be a major mechanism through which plants enhance drought tolerance. In this study, we explore the possible mechanisms of osmotic stress perception by plant cells and the consequent induction of ABA biosynthesis. Immunoblotting and immunofluorescence localization experiments, using a polyclonal antibody against human integrin beta1, revealed the presence of a protein in Zea mays roots that is similar to the integrin proteins of animals and mainly localized in the plasma membrane. Treatment with GRGDS, a synthetic pentapeptide containing an RGD domain, which interacted specifically with the integrin protein and thus blocked the cell wall-plasma membrane interaction, significantly inhibited osmotic stress-induced ABA biosynthesis in cells, and the GRGDS analog which does not contain the RGD domain had no effect. Our results show that a strong interaction exists between the cell wall and plasma membrane and that this interaction is largely mediated by integrin-like proteins. They also imply that the cell wall and/or cell wall-plasma membrane interaction plays important roles in the perception of osmotic stress. Accordingly, we conclude that the cell wall and/or cell wall-plasma membrane interaction mediated by the integrin-like protein plays important roles in osmotic stress-induced ABA biosynthesis in Zea mays.
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Registered trials
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