Probes comprising modified adenine groups, their preparation and their uses

摘要

The invention relates to a probe constituted by an oligonucleotide fragment of structure predetermined by the application envisaged, wherein at least a part of the adenine groups therein is replaced by modified adenine groups so that they can form three hydrogen bonds with the reactive groups of thymine or uracil. This probe is useful in the field of biological analyses and extractions.