ArticleJournal, genetic engineering & biotechnology2023
Identification of conserved miRNAs and their targets in Jatropha curcas: an in silico approach.
Article in Journal, genetic engineering & biotechnology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Computational identification and experimental validation of novelPlant signaling & behavior · 2025Article
- Genome-Wide Identification of Novel miRNAs and Infection-Related Proteins inPathogens (Basel, Switzerland) · 2025Article
- Genome-Wide Analysis Reveals Key Genes and MicroRNAs Related to Pathogenic Mechanism inPathogens (Basel, Switzerland) · 2024Article
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3 authors.
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Abstract
backgroundMicroRNAs (miRNAs) are small endogenous RNAs with an approximate length of 18-22 nucleotides and involved in the regulation of gene expression in transcriptional or post-transcriptional levels. They were found to be associated with leaf morphogenesis, flowering time, vegetative phase change, and response to environmental cues in plants, where they act as a critical regulatory factor. The nature of high conservancy of plant miRNAs within the plant species made it possible to detect the conserved miRNAs by computational approaches. Expressed Sequence Tags (EST) based comparative genomic approaches provide advantages over wet lab approaches as it is convenient, easy to carry out and less time consuming. EST-based in silico approach can unravel new conserved miRNAs in plants, even when the complete genome sequence is not available.
resultsTo identify the novel miRNAs, a total of 46,865 ESTs from Jatropha curcas were searched for homology to all available 6746 mature miRNAs of plant eudicotyledons. Finally, we ended up with 12 novel miRNAs in Jatropha that range from 18 to 19 nucleotides where their respective precursor miRNAs had 54.11-71.76% (A + U) content. The putative miRNAs belong to 12 individual miRNA family and most of them have higher (A + U) content ranging from 47.36 to 77.77% than their respective miRNA homologs. Many of the target genes by the newly identified miRNAs were associated with plant growth and development, stress response, defense and hormone signaling, and oil synthesis pathways.
conclusionThese findings have the potential to speed up miRNA identification and expand our understanding of miRNA functions in J. curcas.
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