期刊名称：Proceedings of the National Academy of Sciences
印刷版ISSN：0027-8424
电子版ISSN：1091-6490
出版年度：1974
卷号：71
期号：5
页码：1887-1890
DOI：10.1073/pnas.71.5.1887
语种：English
出版社：The National Academy of Sciences of the United States of America
摘要：60-70S RNA of avian myeloblastosis virus was spread with the Kleinschmidt method and examined in the electron microscope after being subjected to a variety of denaturing conditions. Extension of the molecules from a collapsed configuration was seen only under stringent denaturing conditions, resulting in molecules of 1-2 {micro}m in length. Longer strands of these extremely fragile molecules cannot be obtained with the methods presently available.
