Chromatin loop size in human leukemia (HL-60) cells.


Human leukemia (HL-60) cells were treated with 0.1% detergent Joy and chromatin, protruded from the cell, was observed with an electron microscope. It was demonstrated that most, but not all of the protruded chromatin fibers had a loop structure. The average length of the protrusions of chromatin from the nucleus was 8.47 microns. A high magnification… (More)


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