ArticlePlant molecular biology2017
Genome-wide analysis of expansin superfamily in wild Arachis discloses a stress-responsive expansin-like B gene.
Article in Plant molecular biology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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Who cites it
28 citing papers in PubMed, 49 citations in OpenAlex.
- Genome-Wide Characterization of thePlants (Basel, Switzerland) · 2026Article
- The Lotus japonicus alpha-expansin EXPA1 is recruited during intracellular and intercellular rhizobial colonization.The Plant journal : for cell and molecular biology · 2025Article
- Overexpression of the Wild Soybean Expansin GenePlants (Basel, Switzerland) · 2025Article
- Genome-Wide Identification, Phylogenetic and Expression Analysis of Expansin Gene Family inInternational journal of molecular sciences · 2024Article
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- The Stilbene Synthase Family inGenes · 2023Article
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- Plant Cell Wall Integrity Perturbations and Priming for Defense.Plants (Basel, Switzerland) · 2022Review
- Engineering Resistance againstPlants (Basel, Switzerland) · 2022Article
- Genome-Wide Identification of Expansin Genes in Wild Soybean (International journal of molecular sciences · 2022Article
- Genome-wide identification, characterization of expansin gene family of banana and their expression pattern under various stresses.3 Biotech · 2022Article
- Transcriptome Responses of WildPlants (Basel, Switzerland) · 2022Article
- Mechanisms of plant cell wall surveillance in response to pathogens, cell wall-derived ligands and the effect of expansins to infection resistance or susceptibility.Frontiers in plant science · 2022Review
- Two Expansin Genes,Genes · 2021Article
- Characterization of raffinose metabolism genes uncovers a wild Arachis galactinol synthase conferring tolerance to abiotic stresses.Scientific reports · 2020Article
- Complex Molecular Evolution and Expression of Expansin Gene Families in Three Basic Diploid Species ofInternational journal of molecular sciences · 2020Article
- Genome-Wide Identification and Characterization of Gene Families inFrontiers in genetics · 2020Article
- Neglected treasures in the wild - legume wild relatives in food security and human health.Current opinion in plant biology · 2019Review
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Authors and funding
10 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Expansins are plant cell wall-loosening proteins involved in adaptive responses to environmental stimuli and various developmental processes. The first genome-wide analysis of the expansin superfamily in the Arachis genus identified 40 members in A. duranensis and 44 in A. ipaënsis, the wild progenitors of cultivated peanut (A. hypogaea). These expansins were further characterized regarding their subfamily classification, distribution along the genomes, duplication events, molecular structure, and phylogeny. A RNA-seq expression analysis in different Arachis species showed that the majority of these expansins are modulated in response to diverse stresses such as water deficit, root-knot nematode (RKN) infection, and UV exposure, with an expansin-like B gene (AraEXLB8) displaying a highly distinct stress-responsive expression profile. Further analysis of the AraEXLB8 coding sequences showed high conservation across the Arachis genotypes, with eight haplotypes identified. The modulation of AraEXLB8 expression in response to the aforementioned stresses was confirmed by qRT-PCR analysis in distinct Arachis genotypes, whilst in situ hybridization revealed transcripts in different root tissues according to the stress imposed. The overexpression of AraEXLB8 in soybean (Glycine max) composite plants remarkably decreased the number of galls in transformed hairy roots inoculated with RKN. This study improves the current understanding of the molecular evolution, divergence, and gene expression of expansins in Arachis, and provides molecular and functional insights into the role of expansin-like B, the less-studied plant expansin subfamily.
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