NDLI: MicroRNAs in plants

Content Provider	PubMed Central
Author	Reinhart, Brenda J. Weinstein, Earl G. Rhoades, Matthew W. Bartel, Bonnie Bartel, David P.
Copyright Year	2002
Abstract	MicroRNAs (miRNAs) are an extensive class of ∼22-nucleotide noncoding RNAs thought to regulate gene expression in metazoans. We find that miRNAs are also present in plants, indicating that this class of noncoding RNA arose early in eukaryotic evolution. In this paper 16 Arabidopsis miRNAs are described, many of which have differential expression patterns in development. Eight are absolutely conserved in the rice genome. The plant miRNA loci potentially encode stem–loop precursors similar to those processed by Dicer (a ribonuclease III) in animals. Mutation of an Arabidopsis Dicer homolog, CARPEL FACTORY, prevents the accumulation of miRNAs, showing that similar mechanisms direct miRNA processing in plants and animals. The previously described roles of CARPEL FACTORY in the development of Arabidopsis embryos, leaves, and floral meristems suggest that the miRNAs could play regulatory roles in the development of plants as well as animals.
Related Links	http://dx.doi.org/10.1101/gad.1004402
Starting Page	1616
File Format	PDF
ISSN	08909369
Journal	Genes & Development
Issue Number	13
Volume Number	16
Language	English
Publisher	Cold Spring Harbor Laboratory Press
Publisher Date	2002-07-01
Access Restriction	Open
Rights Holder	Cold Spring Harbor Laboratory Press
Subject Keyword	Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Genetics Developmental Biology

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