ArticleGenome biology and evolution2025
Evolution of Plant Conserved microRNAs After Whole-Genome Duplications.
Article in Genome biology and evolution, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Genome-wide analysis of conserved and novel miRNAs in mango mesocarp reveals early regulatory networks involved in postharvest heat stress response.Scientific reports · 2026Article
- Allopolyploidization-driven short-term evolution of miRNAs in Brassica A genome.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
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Authors and funding
3 authors.
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Abstract
MicroRNAs (miRNAs) are a specialized class of small silencing RNAs that regulate gene expression in numerous biological processes in eukaryotes. While the evolutionary dynamics of protein-coding genes after plant whole-genome duplications (WGDs) has been extensively studied, the patterns of evolution for conserved MIRNAs (miRNA genes) post-WGDs are less understood. In this study, we systematically investigated miRNAs and their targets in 6 plant species with varying WGD histories. Our findings reveal that WGDs significantly contribute to the expansion of conserved miRNA families. Notably, through homologous analyses of conserved miRNA families, we discovered that beyond the loci derived from WGDs and other duplication events, some conserved miRNA families have independently gained new loci and/or lost syntenic loci in specific lineage or species through evolution. Additionally, our analyses of sequence divergence in conserved miRNAs showed that the mature sequences of miRNA duplicates gradually diverge following WGDs, with this sequence divergence being correlated with that of their adjacent protein-coding genes after recent WGDs. Furthermore, expression and functional divergence analyses of duplicated targets in different miRNA-target interaction scenarios suggest that conserved miRNAs may play crucial roles in regulating the expression of duplicated genes and related regulatory networks following WGDs. In summary, our analyses reveal universal evolutionary patterns of plant conserved miRNAs following WGDs and provide evidence that some miRNA copies in conserved families originated independently during evolution.
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