Nucleic Acids Research, Vol 26, Issue 8 2031-2033, Copyright © 1998 by Oxford University Press
A Fagotti, G Gabbiani, R Pascolini and P Neuville
We present a rapid and efficient method for the detection of related
transcripts with different expression levels. This approach combines the
rapid amplification of cDNA ends (RACE) method with a cDNA subtractive
technique. The strategy is based on successive subtractions of prevalent
isoforms resulting in enrichment of less expressed transcripts. For each
subtraction, a biotinylated primer specific for the prevalent isoform is
hybridized on the total cDNA and the hybrid is retained on a streptavidin
affinity column. The unbound cDNA serves as a template for subsequent
isoform identification. To illustrate its application we describe the
isolation of three new actin cDNA isoforms in the freshwater planarian
Dugesia (S) polychroa.
ARTICLES
Multiple isoform recovery (MIR)-PCR: a simple method for the isolation of related mRNA isoforms
Institute of Comparative Anatomy, University of Perugia, Perugia, Italy.
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