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rdf:type |
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lifeskim:mentions |
umls-concept:C0013138,
umls-concept:C0301872,
umls-concept:C0680022,
umls-concept:C0919436,
umls-concept:C0949879,
umls-concept:C1326471,
umls-concept:C1514873,
umls-concept:C1546857,
umls-concept:C1556066,
umls-concept:C1619636,
umls-concept:C1879547,
umls-concept:C2700640
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pubmed:issue |
15
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pubmed:dateCreated |
2000-9-8
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pubmed:abstractText |
Many developmental and physiological responses rely on the selective translocation of transcriptional regulators in and out of the nucleus through the nuclear pores. Here we describe the Drosophila gene members only (mbo) encoding a nucleoporin homologous to the mammalian Nup88. The phenotypes of mbo mutants and mbo expression during development are cell specific, indicating that the nuclear import capacity of cells is differentially regulated. Using inducible assays for nucleocytoplasmic trafficking we show that mRNA export and classic NLS-mediated protein import are unaffected in mbo mutants. Instead, mbo is selectively required for the nuclear import of the yeast transcription factor GAL4 in a subset of the larval tissues. We have identified the first endogenous targets of the mbo nuclear import pathway in the Rel proteins Dorsal and Dif. In mbo mutants the upstream signaling events leading to the degradation of the IkappaB homolog Cactus are functional, but Dorsal and Dif remain cytoplasmic and the larval immune response is not activated in response to infection. Our results demonstrate that distinct nuclear import events require different nucleoporins in vivo and suggest a regulatory role for mbo in signal transduction.
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pubmed:commentsCorrections |
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-10027560,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-10068643,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-10072384,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-10197979,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-10209157,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-10334979,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-10369678,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-10395558,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-10454574,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-10611964,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-10611974,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-10619029,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-1827421,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-1909284,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-2125051,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-2598265,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-2835286,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-6091123,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-6091908,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-7621828,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-7638906,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-7806546,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-7900989,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-7958883,
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http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-8196601,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-8242747,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-8306893,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-8575315,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-8622655,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-8625828,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-8781239,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-8808632,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-8825480,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-8857540,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-8896451,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-8948598,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-8951068,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-9043089,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-9049309,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-9166401,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-9262480,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-9353254,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-9367441,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-9553105,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-9679058,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-9712906,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-9732281,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-9755161,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-9889100,
http://linkedlifedata.com/resource/pubmed/commentcorrection/10921908-9930321
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/DNA-Binding Proteins,
http://linkedlifedata.com/resource/pubmed/chemical/Dif protein, Drosophila,
http://linkedlifedata.com/resource/pubmed/chemical/Drosophila Proteins,
http://linkedlifedata.com/resource/pubmed/chemical/Membrane Proteins,
http://linkedlifedata.com/resource/pubmed/chemical/Nuclear Pore Complex Proteins,
http://linkedlifedata.com/resource/pubmed/chemical/Nuclear Proteins,
http://linkedlifedata.com/resource/pubmed/chemical/Phosphoproteins,
http://linkedlifedata.com/resource/pubmed/chemical/RNA, Messenger,
http://linkedlifedata.com/resource/pubmed/chemical/Transcription Factors,
http://linkedlifedata.com/resource/pubmed/chemical/dl (dorsal) protein, Drosophila
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pubmed:status |
MEDLINE
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pubmed:month |
Aug
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pubmed:issn |
0890-9369
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pubmed:author |
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pubmed:issnType |
Print
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pubmed:day |
1
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pubmed:volume |
14
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
1945-57
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pubmed:dateRevised |
2009-11-18
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pubmed:meshHeading |
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