ArticleBMC genomics2026
Diversity of lncRNAs in the pan-transcriptome of maize inbred lines.
Article in BMC genomics, 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
backgroundLong non-coding RNAs (lncRNAs) constitute a substantial portion of the plant transcriptomes and performs important functions in numerous molecular, regulatory, growth and developmental processes and stress responses. However, functional characteristics supported by experimental evaluation are known only for a small part of lncRNAs. In this regard, evolutionary and comparative analysis of lncRNA sequences can provide additional information about the functional role of these molecules.
resultsAnalysis of RNA-seq libraries from 503 maize inbred lines obtained by Hirsch et al. (2014) enabled the assessment of sequence diversity and evolutionary patterns of maize lncRNAs within the pan-transcriptome framework and their comparison with analogous mRNA characteristics. The lncRNA pan-transcriptome comprises a greater number of representative sequences (595,198), compared to mRNA pan-transcriptome (245,436), smaller fraction of core and shell parts and larger cloud component (52.5% vs 11%). However, both pan-transcriptomes are closed according to estimates of the power-law parameters. Nucleotide diversity of the lncRNAs significantly higher compared to mRNAs. Moreover, nucleotide substitution rates estimates for coding and non-coding sequences demonstrated systematic increase of the gamma distribution shape parameter α in the order α(K
conclusionsThese results allowed to evaluate the diversity of lncRNAS from the pan-transcriptomic point of view and supported their high lineage-specificity and sequence variation across maize inbred lines in comparison to mRNA sequences.
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