Barley Stripe Mosaic Virus (BSMV) Induced MicroRNA Silencing in Common Wheat (Triticum aestivum L.). 2015

Jian Jiao, and Yichun Wang, and Jonathan Nimal Selvaraj, and Fuguo Xing, and Yang Liu
Institute of Agro-Products Processing Science and Technology, Chinese Academy of Agricultural Sciences/Key Laboratory of Agro-Products Processing, Ministry of Agriculture, Beijing, P.R. China.

MicroRNAs (miRNAs) play important roles in growth, development, and response to environmental changes in plants. Based on the whole-genome shotgun sequencing strategy, more and more wheat miRNAs have been annotated. Now, there is a need for an effective technology to analyse endogenous miRNAs function in wheat. We report here that the modified barley stripe mosaic virus (BSMV)-induced miRNAs silencing system can be utilized to silence miRNAs in wheat. BSMV-based miRNA silencing system is performed through BSMV-based expression of miRNA target mimics to suppress miR159a and miR3134a. The relative expression levels of mature miR159a and miR3134a decrease with increasing transcript levels of their target genes in wheat plants. In summary, the developed approach is effective in silencing endogenous miRNAs, thereby providing a powerful tool for biological function analyses of miRNA molecules in common wheat.

UI MeSH Term Description Entries
D009029 Mosaic Viruses Viruses which produce a mottled appearance of the leaves of plants. Mosaic Virus,Virus, Mosaic,Viruses, Mosaic
D005822 Genetic Vectors DNA molecules capable of autonomous replication within a host cell and into which other DNA sequences can be inserted and thus amplified. Many are derived from PLASMIDS; BACTERIOPHAGES; or VIRUSES. They are used for transporting foreign genes into recipient cells. Genetic vectors possess a functional replicator site and contain GENETIC MARKERS to facilitate their selective recognition. Cloning Vectors,Shuttle Vectors,Vectors, Genetic,Cloning Vector,Genetic Vector,Shuttle Vector,Vector, Cloning,Vector, Genetic,Vector, Shuttle,Vectors, Cloning,Vectors, Shuttle
D014908 Triticum A plant genus of the family POACEAE that is the source of EDIBLE GRAIN. A hybrid with rye (SECALE CEREALE) is called TRITICALE. The seed is ground into FLOUR and used to make BREAD, and is the source of WHEAT GERM AGGLUTININS. Wheat,Durum Wheat,Triticum aestivum,Triticum durum,Triticum spelta,Triticum turgidum,Triticum turgidum subsp. durum,Triticum vulgare,Durum Wheats,Wheat, Durum
D017343 Genes, Plant The functional hereditary units of PLANTS. Plant Genes,Gene, Plant,Plant Gene
D018506 Gene Expression Regulation, Plant Any of the processes by which nuclear, cytoplasmic, or intercellular factors influence the differential control of gene action in plants. Plant Gene Expression Regulation,Regulation of Gene Expression, Plant,Regulation, Gene Expression, Plant
D018749 RNA, Plant Ribonucleic acid in plants having regulatory and catalytic roles as well as involvement in protein synthesis. Plant RNA
D020868 Gene Silencing Interruption or suppression of the expression of a gene at transcriptional or translational levels. Gene Inactivation,Inactivation, Gene,Silencing, Gene
D035683 MicroRNAs Small double-stranded, non-protein coding RNAs, 21-25 nucleotides in length generated from single-stranded microRNA gene transcripts by the same RIBONUCLEASE III, Dicer, that produces small interfering RNAs (RNA, SMALL INTERFERING). They become part of the RNA-INDUCED SILENCING COMPLEX and repress the translation (TRANSLATION, GENETIC) of target RNA by binding to homologous 3'UTR region as an imperfect match. The small temporal RNAs (stRNAs), let-7 and lin-4, from C. elegans, are the first 2 miRNAs discovered, and are from a class of miRNAs involved in developmental timing. RNA, Small Temporal,Small Temporal RNA,miRNA,stRNA,Micro RNA,MicroRNA,Primary MicroRNA,Primary miRNA,miRNAs,pre-miRNA,pri-miRNA,MicroRNA, Primary,RNA, Micro,Temporal RNA, Small,miRNA, Primary,pre miRNA,pri miRNA

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