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© Uwe Maskos
Tranche d'hippocampe de souris colorée avec deux toxines spécifiques de sous-types de récepteur nicotinique, en rouge (grains), et en vert (corps cellulaires). L'hippocampe est la zone du cerveau qui gère la mémoire spatiale.
Publication : Nucleic acids research

A study of oligonucleotide reassociation using large arrays of oligonucleotides synthesised on a glass support

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Nucleic acids research - 11 Oct 1993

Maskos U, Southern EM

Link to Pubmed [PMID] – 8233815

Nucleic Acids Res. 1993 Oct;21(20):4663-9

An extensive analysis of oligonucleotide interactions was carried out by hybridising a synthetic pool of 256 10mers, A(C,T)8A, representing all oligopyrimidine octamer sequences to an array of four copies of all 256 different octapurine sequences. The resulting 256 duplexes were quantified by phosphorimaging and analysed to determine the dependence of duplex formation on base composition, sequence, and salt concentration. The results show that the base composition dependence of duplex formation can be reduced by high concentrations of tetramethylammonium chloride. This chaotropic solvent also increases duplex yield by up to fifty-fold.

https://www.ncbi.nlm.nih.gov/pubmed/8233815