Nucleolus and large nucleolar aggregates of condensed chromatin in interphase nuclei of L 929 cells
Three-dimensional reconstructions show that the nucleoli from L 929 cells are associated with one or several large aggregates of chromatin displaying a honeycomb-like structure. The form and the number of both nucleoli and honeycomb structures vary as the cells emerge from the resting state and ente...
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| Veröffentlicht in: | Cell and tissue research 1984-09, Vol.238 (1), p.37-41 |
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| container_title | Cell and tissue research |
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| creator | POUCHELET, M ANTEUNIS, A GANSMULLER, A |
| description | Three-dimensional reconstructions show that the nucleoli from L 929 cells are associated with one or several large aggregates of chromatin displaying a honeycomb-like structure. The form and the number of both nucleoli and honeycomb structures vary as the cells emerge from the resting state and enter exponential growth. Quantitative data show that the number of honeycomb structures decreases as the number of nucleoli diminishes; both numerical regressions are significant. In addition, the nucleoli and the honeycomb structures enlarge when the cells enter the exponential growth phase. In resting cells the number of honeycomb structures is correlated to the number of nucleoli. Therefore we conclude that the large nucleolar mass of condensed chromatin, which in L 929 cells displays a honeycomb structure, contains a portion of the nucleolar organizing region. |
| doi_str_mv | 10.1007/BF00215141 |
| format | Article |
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The form and the number of both nucleoli and honeycomb structures vary as the cells emerge from the resting state and enter exponential growth. Quantitative data show that the number of honeycomb structures decreases as the number of nucleoli diminishes; both numerical regressions are significant. In addition, the nucleoli and the honeycomb structures enlarge when the cells enter the exponential growth phase. In resting cells the number of honeycomb structures is correlated to the number of nucleoli. Therefore we conclude that the large nucleolar mass of condensed chromatin, which in L 929 cells displays a honeycomb structure, contains a portion of the nucleolar organizing region.</description><identifier>ISSN: 0302-766X</identifier><identifier>EISSN: 1432-0878</identifier><identifier>DOI: 10.1007/BF00215141</identifier><identifier>PMID: 6488293</identifier><identifier>CODEN: CTSRCS</identifier><language>eng</language><publisher>Berlin: Springer</publisher><subject>Animals ; Biological and medical sciences ; Cell Line ; Cell Nucleolus - ultrastructure ; Cell nucleus ; Cell structures and functions ; Chromatin - ultrastructure ; Fundamental and applied biological sciences. 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The form and the number of both nucleoli and honeycomb structures vary as the cells emerge from the resting state and enter exponential growth. Quantitative data show that the number of honeycomb structures decreases as the number of nucleoli diminishes; both numerical regressions are significant. In addition, the nucleoli and the honeycomb structures enlarge when the cells enter the exponential growth phase. In resting cells the number of honeycomb structures is correlated to the number of nucleoli. Therefore we conclude that the large nucleolar mass of condensed chromatin, which in L 929 cells displays a honeycomb structure, contains a portion of the nucleolar organizing region.</description><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Cell Line</subject><subject>Cell Nucleolus - ultrastructure</subject><subject>Cell nucleus</subject><subject>Cell structures and functions</subject><subject>Chromatin - ultrastructure</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Interphase</subject><subject>Microscopy, Electron</subject><subject>Molecular and cellular biology</subject><issn>0302-766X</issn><issn>1432-0878</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1984</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFkM1Lw0AQxRdRaq1evAt7EA9CdL-6H0ctVoWiFwVvYTuZpJF81N3k4H9vaoPCwMC83zwej5Bzzm44Y-b2fsmY4HOu-AGZciVFwqyxh2TKJBOJ0frjmJzE-MkYV1q7CZloZa1wckrgpYcK26qP1DcZrXwokDb7mw_UF0XAwncYaZtTaJsMm4gZhU1oa9-VDf2dDsN24-P4We7YFXXCUcCqiqfkKPdVxLNxz8j78uFt8ZSsXh-fF3erBITQXSItgJRGS2WGaGuUw1Vy8FKCRsNQGFB6LpwCDrA2iMpwlnEL3g2Q4HJGrva-29B-9Ri7tC7jLoFvsO1javngy40YwOs9CKGNMWCebkNZ-_CdcpbuGk3_Gx3gi9G1X9eY_aFjhYN-Oeo-gq_y4Bso4x_mmJxbbeQPN018PA</recordid><startdate>198409</startdate><enddate>198409</enddate><creator>POUCHELET, M</creator><creator>ANTEUNIS, A</creator><creator>GANSMULLER, A</creator><general>Springer</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>198409</creationdate><title>Nucleolus and large nucleolar aggregates of condensed chromatin in interphase nuclei of L 929 cells</title><author>POUCHELET, M ; ANTEUNIS, A ; GANSMULLER, A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c226t-38cc3376347293be322631ca33c6e70e27c465294c1ccb7ee4710d18ca9ca3213</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1984</creationdate><topic>Animals</topic><topic>Biological and medical sciences</topic><topic>Cell Line</topic><topic>Cell Nucleolus - ultrastructure</topic><topic>Cell nucleus</topic><topic>Cell structures and functions</topic><topic>Chromatin - ultrastructure</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Interphase</topic><topic>Microscopy, Electron</topic><topic>Molecular and cellular biology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>POUCHELET, M</creatorcontrib><creatorcontrib>ANTEUNIS, A</creatorcontrib><creatorcontrib>GANSMULLER, A</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Cell and tissue research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>POUCHELET, M</au><au>ANTEUNIS, A</au><au>GANSMULLER, A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Nucleolus and large nucleolar aggregates of condensed chromatin in interphase nuclei of L 929 cells</atitle><jtitle>Cell and tissue research</jtitle><addtitle>Cell Tissue Res</addtitle><date>1984-09</date><risdate>1984</risdate><volume>238</volume><issue>1</issue><spage>37</spage><epage>41</epage><pages>37-41</pages><issn>0302-766X</issn><eissn>1432-0878</eissn><coden>CTSRCS</coden><abstract>Three-dimensional reconstructions show that the nucleoli from L 929 cells are associated with one or several large aggregates of chromatin displaying a honeycomb-like structure. The form and the number of both nucleoli and honeycomb structures vary as the cells emerge from the resting state and enter exponential growth. Quantitative data show that the number of honeycomb structures decreases as the number of nucleoli diminishes; both numerical regressions are significant. In addition, the nucleoli and the honeycomb structures enlarge when the cells enter the exponential growth phase. In resting cells the number of honeycomb structures is correlated to the number of nucleoli. Therefore we conclude that the large nucleolar mass of condensed chromatin, which in L 929 cells displays a honeycomb structure, contains a portion of the nucleolar organizing region.</abstract><cop>Berlin</cop><pub>Springer</pub><pmid>6488293</pmid><doi>10.1007/BF00215141</doi><tpages>5</tpages></addata></record> |
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| source | MEDLINE; SpringerLink Journals - AutoHoldings |
| subjects | Animals Biological and medical sciences Cell Line Cell Nucleolus - ultrastructure Cell nucleus Cell structures and functions Chromatin - ultrastructure Fundamental and applied biological sciences. Psychology Interphase Microscopy, Electron Molecular and cellular biology |
| title | Nucleolus and large nucleolar aggregates of condensed chromatin in interphase nuclei of L 929 cells |
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