分离细胞核中25纳米染色质纤维的立体电子显微镜观察。
Stereo electron microscopy of the 25-nm chromatin fibers in isolated nuclei.
作者信息
Olins A L, Olins D E
出版信息
J Cell Biol. 1979 Apr;81(1):260-5. doi: 10.1083/jcb.81.1.260.
Abstract
Thin sections (0.1-0.25 micron) of isolated chicken erythrocyte nuclei were examined at various tilt angles. Stereo pairs of electron micrographs document the parallel alignment of 25-nm chromatin fibers adjacent to the nuclear envelope, and demonstrate a fiber substructure consistent with close-packed arrays of nucleosomes.
摘要
对分离出的鸡红细胞核的薄切片（0.1 - 0.25微米）在不同倾斜角度下进行了检查。电子显微镜立体图像对显示，靠近核膜处25纳米的染色质纤维呈平行排列，并证明了一种与紧密排列的核小体阵列相一致的纤维亚结构。
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