ArticleGenes2025
Conservation and Tandem Duplication of tRNA Genes in Plant Species.
Article in Genes, 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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Who cites it
2 citing papers in PubMed.
- From water to land: evolution of tRNA gene repertoires in photosynthetic organisms.The EMBO journal · 2026Review
- Multilevel genomic constraints shape nuclear tRNA gene organization in plants.The Plant journal : for cell and molecular biology · 2026Article
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Authors and funding
9 authors.
Funding
Abstract
As an evolutionary ancient molecule, transfer RNA (tRNA) is ubiquitous across all domains of life as a living fossil. BACKGROUND/
objectivesDespite substantial research on tRNA genes in various kingdoms, a comprehensive analysis of their conservation and the status of tandem duplication events throughout the tree of plant species studied has yet to be conducted.
methodsThe tRNA genes from 50 plant species were identified, and gene length, intron length, and GC content were characterized. Then, identical, tandemly duplicated tRNA genes were analyzed according to the sequence identity and phylogenetic tree.
resultsIn this study, a total of 28,262 tRNA genes were identified across 50 plant species, encompassing eight divisions within the plant kingdom. tRNA gene length ranged from 62 to 98 bp and its abundance was found to have no correlation with genome size. The intron-containing tRNA genes are ubiquitously presented in all 50 plant species studied, and the most abundant were tRNA
conclusionsThe tRNA genes in different plants are highly conserved in terms of gene length, intron length, GC content, and sequence identity, with especially strong evidence for the strong sequence and structural conservation of tRNA genes, and the tandem duplication is an important driving for the tRNA gene evolution across diverse plant species.
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