Abstract— MicroRNAs (miRNAs) function on post-transcriptional gene silencing and regulate the gene expression by degrading the transcripts of their targets, leading to down-regulation of the target genes. Plant miRNAs have been reported to play important roles in developmental control, hormone secretion, cell proliferation, and response to environmental stresses. In this review, we have reviewed miRNA expression and its potential role in regulating cell differentiation in Arabidopsis and summarized the miRNAs regulated cell differentiation during root, shoot, leave, and embryo development. We have further described practical application of expression of miRNAs in plant molecular breeding.
Keywords— Cell differentiation, gene expression, microRNAs, post-transcriptional gene silencing, root, shoot, leave, embryo development.
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