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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
3
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pubmed:dateCreated |
1990-8-8
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pubmed:abstractText |
Complex arrangements of filamentous structures have been isolated from vegetative cells of the fungus Neurospora crassa. They were enriched by differential centrifugation and purified by permeation chromatography. The filamentous structures are made up of units of 8-10 nm diameter and were isolated in bundles of up to six to nine units. The main constituent of these structures is a polypeptide with an apparent molecular mass of 59 kDa (P59Nc), which represents 4-5% of the total N. crassa proteins. The filamentous structures are cold-stable and are not affected by high-ionic-strength solutions or by the presence of 10 mM-EDTA or 1% (w/v) Triton X-100; they were disassembled by raising the pH of the solution or by using Tris-based buffers. The disassembled form assembled into structures sedimentable at 105,000 g after dialysis against the isolation buffer. The sedimentable structures were organized in the form of regular aggregates of 42-45 nm polypeptides and reacted weakly with anti-IFA, a monoclonal antibody which recognizes an epitope common to many of the higher-eukaryote intermediate-filament polypeptides. Immunofluorescence examination of wall-digested hyphae of N. crassa using affinity-purified antibodies prepared against P59Nc showed immunostaining of abundant filamentous and dot-shaped structures distributed in the cytoplasm.
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pubmed:commentsCorrections |
http://linkedlifedata.com/resource/pubmed/commentcorrection/2141976-12184,
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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 |
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pubmed:status |
MEDLINE
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pubmed:month |
Jun
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pubmed:issn |
0264-6021
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pubmed:author |
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pubmed:issnType |
Print
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pubmed:day |
15
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pubmed:volume |
268
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
649-55
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pubmed:dateRevised |
2010-9-9
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pubmed:meshHeading |
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pubmed:year |
1990
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pubmed:articleTitle |
A polypeptide of 59 kDa is associated with bundles of cytoplasmic filaments in Neurospora crassa.
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pubmed:affiliation |
Centro de Investigaciones en Quimica Biologica, UNC-CONICET, Departamento de Quimica Biologica, Facultad de Ciencias Quimicas, Universidad Nacional de Cordoba, Ciudad Universitaria, Argentina.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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