Protocol

Hybridization of Oligonucleotide Probes in Aqueous Solutions: Washing in Buffers Containing Quaternary Ammonium Salts

  1. Joseph Sambrook

Abstract

In this protocol, hybridization is first performed in conventional aqueous solvents at a temperature well below the melting temperature, and the hybrids are then washed at higher stringency in buffers containing quaternary alkylammonium salts. TMACl is used with probes that are 14–50 nt in length, whereas TEACl is used with oligonucleotides that are 50–200 nt in length.

Footnotes

  • From the Molecular Cloning collection, edited by Michael R. Green and Joseph Sambrook.

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  1. doi:10.1101/pdb.prot100735 Cold Spring Harb Protoc 2022: pdb.prot100735- © 2022 Cold Spring Harbor Laboratory Press
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