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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
6292
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pubmed:dateCreated |
1990-11-19
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pubmed:databankReference | |
pubmed:abstractText |
Indirect evidence has implicated an interaction between the cytoskeleton and the protein synthetic machinery. Two recent reports have linked the elongation factor 1a (EF-1a) which is involved in protein synthesis, with the microtubular cytoskeleton. In situ hybridization has, however, revealed that the messages for certain cytoskeletal proteins are preferentially associated with actin filaments. ABP-50 is an abundant actin filament bundling protein of native relative molecular mass 50,000 (50K) isolated from Dictyostelium discoideum. Immunofluorescence studies show that ABP-50 is present in filopodia and other cortical regions that contain actin filament bundles. In addition, ABP-50 binds to monomeric actin in the cytosol of unstimulated cells and the association of ABP-50 with the actin cytoskeleton is regulated during chemotaxis. Through complementary DNA sequencing and subsequent functional analysis, we have identified ABP-50 as D. discoideum EF-1a. The ability of EF-1a to bind reversibly to the actin cytoskeleton upon stimulation could provide a mechanism for spatially and temporally regulated protein synthesis in eukaryotic cells.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/DNA,
http://linkedlifedata.com/resource/pubmed/chemical/Fungal Proteins,
http://linkedlifedata.com/resource/pubmed/chemical/Microfilament Proteins,
http://linkedlifedata.com/resource/pubmed/chemical/Peptide Elongation Factor 1,
http://linkedlifedata.com/resource/pubmed/chemical/Peptide Elongation Factors,
http://linkedlifedata.com/resource/pubmed/chemical/RNA, Fungal
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pubmed:status |
MEDLINE
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pubmed:month |
Oct
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pubmed:issn |
0028-0836
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
4
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pubmed:volume |
347
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
494-6
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:2215665-Amino Acid Sequence,
pubmed-meshheading:2215665-Blotting, Northern,
pubmed-meshheading:2215665-Cloning, Molecular,
pubmed-meshheading:2215665-DNA,
pubmed-meshheading:2215665-Dictyostelium,
pubmed-meshheading:2215665-Fungal Proteins,
pubmed-meshheading:2215665-Genes, Fungal,
pubmed-meshheading:2215665-Microfilament Proteins,
pubmed-meshheading:2215665-Molecular Sequence Data,
pubmed-meshheading:2215665-Peptide Elongation Factor 1,
pubmed-meshheading:2215665-Peptide Elongation Factors,
pubmed-meshheading:2215665-Protein Biosynthesis,
pubmed-meshheading:2215665-RNA, Fungal
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pubmed:year |
1990
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pubmed:articleTitle |
Identification of an actin-binding protein from Dictyostelium as elongation factor 1a.
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pubmed:affiliation |
Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, New York 10461.
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pubmed:publicationType |
Journal Article,
Comparative Study,
Research Support, U.S. Gov't, P.H.S.
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