ArticleFrontiers in plant science2026
Genome-wide identification and expression profiling of the U-box gene family in poplar under salt stress.
Article in Frontiers in plant science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: The U-box gene family, defined by the presence of a conserved U-box domain, participates in various biological processes, particularly in plant responses to abiotic stress. However, a comprehensive analysis of this gene family in Methods: In this study, we performed a genome-wide identification and characteristic analysis of the U-box gene family. Analyses included phylogenetic relationships, gene structures, conserved motifs, promoter cis-acting elements, chromosomal distribution, gene duplication events, and synteny with other plant species. In addition, the expression patterns of selected U-box genes under salt stress were validated using quantitative real-time PCR (qRT-PCR). Results: In this study, 103 U-box genes were identified in the Discussion: These findings suggest that U-box genes may play important roles in regulating poplar's salt stress response. Overall, this study provides a theoretical foundation and valuable genetic resources for the identification of salt tolerance genes in poplar.
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