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rdf:type
lifeskim:mentions
pubmed:dateCreated
2011-3-1
pubmed:abstractText
INTRODUCTIONThe mechanism of RNA interference has emerged as a practical tool to study loss of function in many organisms. To make the method of gene knockdown suitable for mammalian cells, short interfering double-stranded RNAs (siRNAs) need to be applied. This protocol describes a straightforward, low-cost method, which uses recombinant Escherichia coli RNase III to digest long dsRNA into endoribonuclease-prepared short interfering RNAs (esiRNAs). Advantages of this technology are the high efficiency and specificity of the resulting esiRNA and its usefulness for not only small-scale applications, but also high-throughput loss-of-function analyses. Another great asset of esiRNA is its flexibility in design, using Web-based tools such as DEQOR, or predesigned esiRNA sequences from the database RiDDLE. PCR products flanked with T7 promoter sequences are generated, transcribed, and annealed. The resulting long dsRNA is enzymatically digested into a pool of overlapping esiRNAs, which are subsequently spin-column-purified.
pubmed:language
eng
pubmed:journal
pubmed:status
PubMed-not-MEDLINE
pubmed:author
pubmed:volume
2007
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
pdb.prot4824
pubmed:year
2007
pubmed:articleTitle
Production of Endoribonuclease-Prepared Short Interfering RNAs (esiRNAs) for Specific and Effective Gene Silencing in Mammalian Cells.
pubmed:affiliation
Max Planck Institute of Molecular Cell Biology and Genetics, 01307 Dresden, Germany.
pubmed:publicationType
Journal Article