| pubmed-article:15464853 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:15464853 | lifeskim:mentions | umls-concept:C0007634 | lld:lifeskim |
| pubmed-article:15464853 | lifeskim:mentions | umls-concept:C0026376 | lld:lifeskim |
| pubmed-article:15464853 | lifeskim:mentions | umls-concept:C1880352 | lld:lifeskim |
| pubmed-article:15464853 | lifeskim:mentions | umls-concept:C1707798 | lld:lifeskim |
| pubmed-article:15464853 | lifeskim:mentions | umls-concept:C1879748 | lld:lifeskim |
| pubmed-article:15464853 | lifeskim:mentions | umls-concept:C1706853 | lld:lifeskim |
| pubmed-article:15464853 | pubmed:dateCreated | 2004-10-6 | lld:pubmed |
| pubmed-article:15464853 | pubmed:abstractText | Nucleoli disassemble in prophase of the metazoan mitotic cycle, and they begin their reassembly (nucleologenesis) in late anaphase?early telophase. Nucleolar disassembly and reassembly were obvious to the early cytologists of the eighteenth and nineteenth centuries, and although this has lead to a plethora of literature describing these events, our understanding of the molecular mechanisms regulating nucleolar assembly and disassembly has expanded immensely just within the last 10-15 years. We briefly survey the findings of nineteenth-century cytologists on nucleolar assembly and disassembly, followed by the work of Heitz and McClintock on nucleolar organizers. A primer review of nucleolar structure and functions precedes detailed descriptions of modern molecular and microscopic studies of nucleolar assembly and disassembly. Nucleologenesis is concurrent with the reinitiation of rDNA transcription in telophase. The perichromosomal sheath, prenucleolar bodies, and nucleolar-derived foci serve as repositories for nucleolar processing components used in the previous interphase. Disassembly of the perichromosomal sheath along with the dynamic movements and compositional changes of the prenucleolar bodies and nucleolus-derived foci coincide with reactivation of rDNA synthesis within the chromosomal nucleolar organizers during telophase. Nucleologenesis is considered in various model organisms to provide breadth to our understanding. Nucleolar disassembly occurs at the onset of mitosis primarily as a result of the mitosis-specific phosphorylation of Pol I transcription factors and processing components. Although we have learned much regarding nucleolar assembly and disassembly, many questions still remain, and these questions are as vibrant for us today as early questions were for nineteenth- and early twentieth-century cytologists. | lld:pubmed |
| pubmed-article:15464853 | pubmed:language | eng | lld:pubmed |
| pubmed-article:15464853 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:15464853 | pubmed:citationSubset | IM | lld:pubmed |
| pubmed-article:15464853 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:15464853 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
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| pubmed-article:15464853 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:15464853 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:15464853 | pubmed:issn | 0074-7696 | lld:pubmed |
| pubmed-article:15464853 | pubmed:author | pubmed-author:DimarioPatric... | lld:pubmed |
| pubmed-article:15464853 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:15464853 | pubmed:volume | 239 | lld:pubmed |
| pubmed-article:15464853 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:15464853 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:15464853 | pubmed:pagination | 99-178 | lld:pubmed |
| pubmed-article:15464853 | pubmed:dateRevised | 2006-11-15 | lld:pubmed |
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| pubmed-article:15464853 | pubmed:meshHeading | pubmed-meshheading:15464853... | lld:pubmed |
| pubmed-article:15464853 | pubmed:year | 2004 | lld:pubmed |
| pubmed-article:15464853 | pubmed:articleTitle | Cell and molecular biology of nucleolar assembly and disassembly. | lld:pubmed |
| pubmed-article:15464853 | pubmed:affiliation | Department of Biological Sciences, Louisiana State University, Baton Rouge, Louisiana 70803-1715, USA. | lld:pubmed |
| pubmed-article:15464853 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:15464853 | pubmed:publicationType | Research Support, U.S. Gov't, Non-P.H.S. | lld:pubmed |
| pubmed-article:15464853 | pubmed:publicationType | Review | lld:pubmed |
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