Southern blot je metod koja se koristi u molekulskoj biologiji za otkrivanje određene sekvence DNK u njenim uzoercima. Southern blot kombinira prijenos elektroforezom odvojenih fragmenata DNK na membranu filtra i naknadno otkrivanje fragmenata pomoću hibridizacijske sonde.[1]
^Southern, Edwin Mellor (5. 11. 1975). "Detection of specific sequences among DNA fragments separated by gel electrophoresis". Journal of Molecular Biology. 98 (3): 503–517. doi:10.1016/S0022-2836(75)80083-0. ISSN0022-2836. PMID1195397. Navedeno je više parametara |author= i |last= (pomoć)
^Burnette, W. Neal (april 1981). "Western Blotting: Electrophoretic Transfer of Proteins from Sodium Dodecyl Sulfate-Polyacrylamide Gels to Unmodified Nitrocellulose and Radiographic Detection with Antibody and Radioiodinated Protein A". Analytical Biochemistry. 112 (2): 195–203. doi:10.1016/0003-2697(81)90281-5. ISSN0003-2697. PMID6266278.