ArticleMolecular genetics and genomics : MGG2014
Characterization of rubber tree microRNA in phytohormone response using large genomic DNA libraries, promoter sequence and gene expression analysis.
Article in Molecular genetics and genomics : MGG, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 17 citations in OpenAlex.
- Functional Characterization of a Root-Preferential and Stress-Inducible Promoter of Eca-miR482f inPlants (Basel, Switzerland) · 2025Article
- Advances in the Study of the Transcriptional Regulation Mechanism of Plant miRNAs.Life (Basel, Switzerland) · 2023Review
- Structural and Functional Annotation of Transposable Elements Revealed a Potential Regulation of Genes Involved in Rubber Biosynthesis by TE-Derived siRNA Interference inInternational journal of molecular sciences · 2020Article
- Post-transcriptional regulation of several biological processes involved in latex production inPeerJ · 2020Article
- Genome-wide analysis in Hevea brasiliensis laticifers revealed species-specific post-transcriptional regulations of several redox-related genes.Scientific reports · 2019Article
- Genome-Wide Identification and Characterization of microRNAs in Developing Grains of Zea mays L.PloS one · 2016Article
Corrections and comments
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Authors and funding
8 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The para rubber tree is the most widely cultivated tree species for producing natural rubber (NR) latex. Unfortunately, rubber tree characteristics such as a long life cycle, heterozygous genetic backgrounds, and poorly understood genetic profiles are the obstacles to breeding new rubber tree varieties, such as those with improved NR yields. Recent evidence has revealed the potential importance of controlling microRNA (miRNA) decay in some aspects of NR regulation. To gain a better understanding of miRNAs and their relationship with rubber tree gene regulation networks, large genomic DNA insert-containing libraries were generated to complement the incomplete draft genome sequence and applied as a new powerful tool to predict a function of interested genes. Bacterial artificial chromosome and fosmid libraries, containing a total of 120,576 clones with an average insert size of 43.35 kb, provided approximately 2.42 haploid genome equivalents of coverage based on the estimated 2.15 gb rubber tree genome. Based on these library sequences, the precursors of 1 member of rubber tree-specific miRNAs and 12 members of conserved miRNAs were successfully identified. A panel of miRNAs was characterized for phytohormone response by precisely identifying phytohormone-responsive motifs in their promoter sequences. Furthermore, the quantitative real-time PCR on ethylene stimulation of rubber trees was performed to demonstrate that the miR2118, miR159, miR164 and miR166 are responsive to ethylene, thus confirmed the prediction by genomic DNA analysis. The cis-regulatory elements identified in the promoter regions of these miRNA genes help augment our understanding of miRNA gene regulation and provide a foundation for further investigation of the regulation of rubber tree miRNAs.
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Registered trials
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