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Highly specific gene silencing by artificial microRNAs in the unicellular alga Chlamydomonas reinhardtii

Highly specific gene silencing by artificial microRNAs in the unicellular alga Chlamydomonas... MicroRNAs (miRNAs) are small RNAs, 21 to 22 nucleotides long, with important regulatory roles. They are processed from longer RNA molecules with imperfectly matched foldback regions and they function in modulating the stability and translation of mRNA. Recently, we and others have demonstrated that the unicellular alga Chlamydomonas reinhardtii, like diverse multicellular organisms, contains miRNAs. These RNAs resemble the miRNAs of land plants in that they direct site‐specific cleavage of target mRNA with miRNA‐complementary motifs and, presumably, act as regulatory molecules in growth and development. Utilizing these findings we have developed a novel artificial miRNA system based on ligation of DNA oligonucleotides that can be used for specific high‐throughput gene silencing in green algae. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The Plant Journal Wiley

Highly specific gene silencing by artificial microRNAs in the unicellular alga Chlamydomonas reinhardtii

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References (57)

Publisher
Wiley
Copyright
Copyright © 2009 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0960-7412
eISSN
1365-313X
DOI
10.1111/j.1365-313X.2008.03767.x
pmid
19054357
Publisher site
See Article on Publisher Site

Abstract

MicroRNAs (miRNAs) are small RNAs, 21 to 22 nucleotides long, with important regulatory roles. They are processed from longer RNA molecules with imperfectly matched foldback regions and they function in modulating the stability and translation of mRNA. Recently, we and others have demonstrated that the unicellular alga Chlamydomonas reinhardtii, like diverse multicellular organisms, contains miRNAs. These RNAs resemble the miRNAs of land plants in that they direct site‐specific cleavage of target mRNA with miRNA‐complementary motifs and, presumably, act as regulatory molecules in growth and development. Utilizing these findings we have developed a novel artificial miRNA system based on ligation of DNA oligonucleotides that can be used for specific high‐throughput gene silencing in green algae.

Journal

The Plant JournalWiley

Published: Apr 1, 2009

Keywords: ; ; ; ;

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