[Study of microorganism genome DNA by atomic force microscopy].
The potential of atomic force microscopy (AFM) for the investigation of peculiarities of microorganisms genome structure is demonstrated. AFM images of phage lambda DNA linear molecules and supercoiled mica in buffer solution was imaged in air. New experimental method of DNA stretching based on using amino-modified mica with a decreased surface density of active amino-groups is proposed. Stretched molecules of phage lambda DNA were imaged by AFM.
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D010582:Bacteriophage lambda / Q000235:genetics*; D004279:DNA, Viral / Q000648:ultrastructure*; D016679:Genome, Viral; D018625:Microscopy, Atomic Force / Q000379:methods*
D004279:DNA, Viral