KLEINSCHMIDT A K, BURTON A, SINSHEIMER R L
Science. 1963 Nov 15;142(3594):961. doi: 10.1126/science.142.3594.961.
Electron micrographs of surface films containing the replicative form of the DNA of bacteriophage, øX174 show ring structures, whose average contour length is 1.64 micro, which have the characteristic appearance of double-stranded DNA throughout most of their length.
含有噬菌体øX174 DNA复制形式的表面膜的电子显微照片显示出环状结构,其平均轮廓长度为1.64微米,在其大部分长度上具有双链DNA的特征外观。