CHEMICAL AND AUTORADIOGRAPHIC STUDIES OF INTRANUCLEOLAR DNA IN VICIA FABA

被引：7

作者：

MCLEISH, J

机构：

[1] Biology Division, Oak Ridge National Laboratory, Oak Ridge

来源：

EXPERIMENTAL CELL RESEARCH | 1968年 / 51卷 / 01期

关键词：

D O I：

10.1016/0014-4827(68)90166-3

中图分类号：

R73 [肿瘤学];

学科分类号：

100214 ;

摘要：

Nucleoli isolated from root-tip cells of Vicia faba were found to contain DNA with a base composition similar to that of the chromosomal or extra-nucleolar DNA. Chemical and autoradiographic methods were used to study the DNA of nuclei and nucleoli isolated from roots which had been exposed to radioactive thymidine. After a 6-h period of labelling approximately one thirtieth of the total radioactivity found in the nuclei appeared to be localized in the nucleoli. This activity could be in an intranucleolar DNA fraction with cytochemical properties differing from those of chromosomal DNA. © 1968.

引用

页码：157 / &

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