🔭 Scientific instrument

Southern blot (DNA transfer)

Southern blot (transferencia de ADN)

Date
1975 · confidence high
Place
University of Edinburgh, Edinburgh, Scotland, United Kingdom
Credited to
Edwin M. Southern
Field
Life & health

What it is

Southern transferred DNA separated by gel electrophoresis onto a membrane and detected it with a labelled probe. It allowed specific genome fragments to be identified and is the origin of DNA fingerprinting and molecular diagnostics.

What it led to

  • DNA fingerprinting (Jeffreys, 1984)
  • gene mapping and diagnosis of hereditary diseases
  • sister techniques Northern and Western blot
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Sources✓ verified 2026-11-04