Affiliation:
1. From the Department of Biology, Loyola University, Chicago, Illinois 60626
Abstract
In the myxomycete, Physarum polycephalum, the bulk of nuclear DNA replication occurs during a period of a few hours immediately following upon mitosis. During the remainder of the intermitotic period, incorporation of thymidine-3H continues at a low rate in the region of the nucleolus (radioautographs). A few nuclei incorporated thymidine-3H into the extranucleolar chromatin at a high rate at all times of the intermitotic period. These nuclei were exceptionally large and they frequently contained several small nucleoli of different sizes rather than the one, central nucleolus which is characteristic of a normal interphase nucleus.
Publisher
Rockefeller University Press
Cited by
33 articles.
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