期刊
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
卷 393, 期 3, 页码 345-349出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bbrc.2010.01.129
关键词
MicroRNAs; Signal interactions; Feedback circuit; Root development; Arabidopsis; Rice
资金
- National Key Basic Research and Development Program of China (973 Program) [2005CB120901]
- National High Technology Research and Development Program of China (863 Program) [2008AA10Z125]
- National Natural Sciences Foundation of China [30771326, 30971743]
- Program for New Century Excellent Talents in University of China [NCET-07-0740]
MicroRNA (miRNA), recently recognized as a critical post-transcriptional modulator of gene expression, is involved in numerous biological processes in both animals and plants. Although eudicots and monocots, such as the model plants Arabidopsis (Arabidopsis thaliana) and rice (Oryza sativa), possess distinct root systems, several homologous miRNA families are reported to be involved in root growth control in both plants. Consistent with recent notion that numerous signaling pathways are implicated in root development, these miRNAs are implicated in auxin signaling, nutrition metabolism, or stress response and have potential role in mediating the signal interactions. However, a recapitulative representation of these results is especially desired. This review provides a global view of the involvement of miRNAs in root development focusing on the two plants, Arabidopsis and rice. Based on current research advances, several innovative mechanisms of miRNA transcription, feedback regulatory circuit between miRNAs and transcription factors (TFs), and miRNA-mediated signal interactions are also discussed. (C) 2010 Elsevier Inc. All rights reserved.
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