ArticlePlant molecular biology2015
Overexpression of the carbohydrate binding module of strawberry expansin2 in Arabidopsis thaliana modifies plant growth and cell wall metabolism.
Article in Plant molecular biology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed, 45 citations in OpenAlex.
- Article
- Characterization of the Cell Wall Component through Thermogravimetric Analysis and Its Relationship with an Expansin-like Protein inInternational journal of molecular sciences · 2022Article
- Exploring the Developmental Progression of Endosperm Cavity Formation in Maize Grain and the Underlying Molecular Basis Using X-Ray Tomography and Genome Wide Association Study.Frontiers in plant science · 2022Article
- Comparative genomic analysis of expansin superfamily gene members in zucchini and cucumber and their expression profiles under different abiotic stresses.Physiology and molecular biology of plants : an international journal of functional plant biology · 2021Article
- Lectin receptor-like kinase LecRK-VIII.2 is a missing link in MAPK signaling-mediated yield control.Plant physiology · 2021Article
- Effect of Exogenous Auxin Treatment on Cell Wall Polymers of Strawberry Fruit.International journal of molecular sciences · 2021Article
- A roadmap for research in octoploid strawberry.Horticulture research · 2020Review
- Expression of Two α-Type Expansins fromInternational journal of molecular sciences · 2019Article
- Transcriptome analysis and identification of genes associated with fruiting branch internode elongation in upland cotton.BMC plant biology · 2019Article
- Mechanisms of plant protection against two oxalate-producing fungal pathogens by oxalotrophic strains of Stenotrophomonas spp.Plant molecular biology · 2019Article
- Physiological and Proteomic Changes in the Apoplast Accompany Leaf Senescence inFrontiers in plant science · 2019Article
- Growth modulation effects of CBM2a under the control of AtEXP4 and CaMV35S promoters in Arabidopsis thaliana, Nicotiana tabacum and Eucalyptus camaldulensis.Transgenic research · 2017Article
- The targeting of starch binding domains from starch synthase III to the cell wall alters cell wall composition and properties.Plant molecular biology · 2017Article
- Genome-wide identification and expression analysis of the expansin gene family in tomato.Molecular genetics and genomics : MGG · 2016Article
- Plant expansins: diversity and interactions with plant cell walls.Current opinion in plant biology · 2015Review
- Regulation Mechanism of JA Signaling on the Expansin Gene SlEXPA8 Affecting Sugar Metabolism in Tomato.Physiologia plantarumArticle
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Authors and funding
6 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Several cell wall enzymes are carbohydrate active enzymes that contain a putative Carbohydrate Binding Module (CBM) in their structures. The main function of these non-catalitic modules is to facilitate the interaction between the enzyme and its substrate. Expansins are non-hydrolytic proteins present in the cell wall, and their structure includes a CBM in the C-terminal that bind to cell wall polymers such as cellulose, hemicelluloses and pectins. We studied the ability of the Expansin2 CBM (CBMFaEXP2) from strawberry (Fragaria x ananassa, Duch) to modify the cell wall of Arabidopsis thaliana. Plants overexpressing CBMFaEXP2 were characterized phenotypically and biochemically. Transgenic plants were taller than wild type, possibly owing to a faster growth of the main stem. Cell walls of CBMFaEXP2-expressing plants were thicker and contained higher amount of pectins. Lower activity of a set of enzymes involved in cell wall degradation (PG, β-Gal, β-Xyl) was found, and the expression of the corresponding genes (AtPG, Atβ-Gal, Atβ-Xyl5) was reduced also. In addition, a decrease in the expression of two A. thaliana Expansin genes (AtEXP5 and AtEXP8) was observed. Transgenic plants were more resistant to Botrytis cinerea infection than wild type, possibly as a consequence of higher cell wall integrity. Our results support the hypothesis that the overexpression of a putative CBM is able to modify plant cell wall structure leading to modulation of wall loosening and plant growth. These findings might offer a tool to controlling physiological processes where cell wall disassembly is relevant, such as fruit softening.
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