ArticlePlant physiology2000
Limited correlation between expansin gene expression and elongation growth rate.
Article in Plant physiology, 2000. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers.
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Who cites it
46 citing papers in PubMed.
- The CELL NUMBER REGULATOR SlFWL5 protein regulates aerial vegetative growth in tomato, by promoting cell expansion.Journal of experimental botany · 2026Article
- Hormone-regulated expansins: Expression, localization, and cell wall biomechanics in Arabidopsis root growth.Plant physiology · 2023Article
- Involvement of Auxin-Mediated CqEXPA50 Contributes to Salt Tolerance in Quinoa (International journal of molecular sciences · 2022Article
- Expansin-mediated developmental and adaptive responses: A matter of cell wall biomechanics?Quantitative plant biology · 2022Review
- Transcriptomic analysis of succulent stem development of Chinese kale (Frontiers in plant science · 2022Article
- Crosstalk between auxin and gibberellin during stalk elongation in flowering Chinese cabbage.Scientific reports · 2021Article
- Regulation of α-expansins genes inPhysiology and molecular biology of plants : an international journal of functional plant biology · 2019Article
- Glutathione S-transferase related detoxification processes are correlated with receptor-mediated vacuolar sorting mechanisms.Plant cell reports · 2017Article
- Gibberellin-Regulation and Genetic Variations in Leaf Elongation for Tall Fescue in Association with Differential Gene Expression Controlling Cell Expansion.Scientific reports · 2016Article
- The Garlic Allelochemical Diallyl Disulfide Affects Tomato Root Growth by Influencing Cell Division, Phytohormone Balance and Expansin Gene Expression.Frontiers in plant science · 2016Article
- Over-expression of AtEXLA2 alters etiolated arabidopsis hypocotyl growth.Annals of botany · 2015Article
- Mechanical constraints imposed by 3D cellular geometry and arrangement modulate growth patterns in the Arabidopsis embryo.Proceedings of the National Academy of Sciences of the United States of America · 2014Article
- Light Signaling in Bud Outgrowth and Branching in Plants.Plants (Basel, Switzerland) · 2014Review
- New insights on plant cell elongation: a role for acetylcholine.International journal of molecular sciences · 2014Article
- Article
- Inducible repression of multiple expansin genes leads to growth suppression during leaf development.Plant physiology · 2012Article
- Inhibition of lamina outgrowth following Solanum lycopersicum AUXIN RESPONSE FACTOR 10 (SlARF10) derepression.Plant molecular biology · 2012Article
- Expansins are involved in cell growth mediated by abscisic acid and indole-3-acetic acid under drought stress in wheat.Plant cell reports · 2012Article
- Transcriptional analysis of cell growth and morphogenesis in the unicellular green alga Micrasterias (Streptophyta), with emphasis on the role of expansin.BMC plant biology · 2011Article
- Brassinosteroids can regulate cellulose biosynthesis by controlling the expression of CESA genes in Arabidopsis.Journal of experimental botany · 2011Article
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The aim of this work was to study the role of the cell wall protein expansin in elongation growth. Expansins increase cell wall extensibility in vitro and are thought to be involved in cell elongation. Here, we studied the regulation of two tomato (Lycopersicon esculentum cv Moneymaker) expansin genes, LeExp2 and LeExp18, in rapidly expanding tissues. LeExp2 was strongly expressed in the elongation zone of hypocotyls and in the faster growing stem part during gravitropic stimulation. LeExp18 expression did not correlate with elongation growth. Exogenous application of hormones showed a substantial auxin-stimulation of LeExp2 mRNA in etiolated hypocotyls and a weaker auxin-stimulation of LeExp18 mRNA in stem tissue. Analysis of transcript accumulation revealed higher levels of LeExp2 and LeExp18 in light-treated, slow-growing tissue than in dark-treated, rapidly elongating tissue. Expansin protein levels and cell wall extension activities were similar in light- and dark-grown hypocotyl extracts. The results show a strong correlation between expansin gene expression and growth rate, but this correlation is not absolute. We conclude that elongation growth is likely to be controlled by expansin acting in concert with other factors that may limit growth under some physiological conditions.
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