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REPLICATION OF NUCLEOLUS-ASSOCIATED DNA DURING "G(2) PHASE" IN PHYSARUM POLYCEPHALUM
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-(3)H continues at a low rate in the region of the nucleolus (radioautogr...
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Formato: | Texto |
Lenguaje: | English |
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The Rockefeller University Press
1969
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2107866/ https://www.ncbi.nlm.nih.gov/pubmed/5387995 |
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author | Guttes, Edmund Guttes, Sophie |
author_facet | Guttes, Edmund Guttes, Sophie |
author_sort | Guttes, Edmund |
collection | PubMed |
description | 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-(3)H continues at a low rate in the region of the nucleolus (radioautographs). A few nuclei incorporated thymidine-(3)H 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. |
format | Text |
id | pubmed-2107866 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 1969 |
publisher | The Rockefeller University Press |
record_format | MEDLINE/PubMed |
spelling | pubmed-21078662008-05-01 REPLICATION OF NUCLEOLUS-ASSOCIATED DNA DURING "G(2) PHASE" IN PHYSARUM POLYCEPHALUM Guttes, Edmund Guttes, Sophie J Cell Biol Article 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-(3)H continues at a low rate in the region of the nucleolus (radioautographs). A few nuclei incorporated thymidine-(3)H 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. The Rockefeller University Press 1969-11-01 /pmc/articles/PMC2107866/ /pubmed/5387995 Text en Copyright © 1969 by The Rockefeller University Press. This article is distributed under the terms of an Attribution–Noncommercial–Share Alike–No Mirror Sites license for the first six months after the publication date (see http://www.rupress.org/terms). After six months it is available under a Creative Commons License (Attribution–Noncommercial–Share Alike 4.0 Unported license, as described at http://creativecommons.org/licenses/by-nc-sa/4.0/). |
spellingShingle | Article Guttes, Edmund Guttes, Sophie REPLICATION OF NUCLEOLUS-ASSOCIATED DNA DURING "G(2) PHASE" IN PHYSARUM POLYCEPHALUM |
title | REPLICATION OF NUCLEOLUS-ASSOCIATED DNA DURING "G(2) PHASE" IN PHYSARUM POLYCEPHALUM
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title_full | REPLICATION OF NUCLEOLUS-ASSOCIATED DNA DURING "G(2) PHASE" IN PHYSARUM POLYCEPHALUM
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title_fullStr | REPLICATION OF NUCLEOLUS-ASSOCIATED DNA DURING "G(2) PHASE" IN PHYSARUM POLYCEPHALUM
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title_full_unstemmed | REPLICATION OF NUCLEOLUS-ASSOCIATED DNA DURING "G(2) PHASE" IN PHYSARUM POLYCEPHALUM
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title_short | REPLICATION OF NUCLEOLUS-ASSOCIATED DNA DURING "G(2) PHASE" IN PHYSARUM POLYCEPHALUM
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title_sort | replication of nucleolus-associated dna during "g(2) phase" in physarum polycephalum |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2107866/ https://www.ncbi.nlm.nih.gov/pubmed/5387995 |
work_keys_str_mv | AT guttesedmund replicationofnucleolusassociateddnaduringg2phaseinphysarumpolycephalum AT guttessophie replicationofnucleolusassociateddnaduringg2phaseinphysarumpolycephalum |