title: Protection of megabase DNA from shearing.
mesh_terms: D001482:Base Composition; D002712:Chlorides / Q000494:pharmacology; D002942:Circular Dichroism; D003035:Cobalt / Q000494:pharmacology; D004247:DNA / Q000737:chemistry* / Q000187:drug effects / Q000378:metabolism; D004249:DNA Damage; D007887:Fabaceae / Q000235:genetics; D007202:Indicators and Reagents; D009690:Nucleic Acid Conformation / Q000187:drug effects; D010946:Plants, Medicinal; D012441:Saccharomyces cerevisiae / Q000235:genetics; D012568:Schizosaccharomyces / Q000235:genetics
chemical_list: D002712:Chlorides; D007202:Indicators and Reagents; C007936:hexaminecobalt (III) trichloride; D003035:Cobalt; D004247:DNA