Nucleic Acids Research, Vol 24, Issue 18 3645-3646, Copyright © 1996 by Oxford University Press
NC Pagratis
Streptavidin induced electrophoretic mobility shift was used to prepare
single stranded (ss) DNA amplified with the polymerase chain reaction in
the presence of a biotinylated and a non-biotinylated primer. A variety of
denaturing conditions, including incubation at 95 degrees C in 50%
formamide can be used without disrupting the streptavidin-
biotinylated-ssDNA complex. Following electrophoresis, pure non-
biotinylated DNA can be efficiently recovered from 7 M urea gels because it
is well separated from the severely retarded streptavidin-
biotinylated-ssDNA complex. Quantitative complexing of biotinylated ssDNA
can occur at a streptavidin to DNA molar ratio of 1 or more.
ARTICLES
Rapid preparation of single stranded DNA from PCR products by streptavidin induced electrophoretic mobility shift
NeXstar Pharmaceuticals, Inc., Boulder, CO 80301, USA.
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