Ukukhishwa okusheshayo nokuhlanzwa kwe-genomic DNA emithonjeni eminingi, njengezicubu zezilwane, amaseli, njll.
◮Isivinini esisheshayo:umsebenzi ophezulu kunama-protease afanayo futhi igaye amasampula ezicubu ngokushesha;
◮Kulula:ingaqedwa ngemizuzu engama-50.
◮Kulula:Kwenziwa ezingeni lokushisa legumbi.
◮Ukuphepha:akukho reagent ephilayo esetshenziswayo.