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  Assembly studies of six intestinal intermediate filament (IF) proteins B2, C1, C2, D1, D2, and E1 in the nematode C-elegans.

Karabinos, A., Schünemann, J., & Parry, D. A. D. (2017). Assembly studies of six intestinal intermediate filament (IF) proteins B2, C1, C2, D1, D2, and E1 in the nematode C-elegans. Cytoskeleton, 74(3), 107-113. doi:10.1002/cm.21354.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-09F2-E Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-09F5-8
Genre: Journal Article

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2424450.pdf (Publisher version), 704KB
 
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Karabinos, A., Author
Schünemann, J.1, Author              
Parry, D. A. D., Author
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1Department of Cellular Logistics, MPI for biophysical chemistry, Max Planck Society, ou_578574              

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Free keywords: C. elegans; intermediate filament; heteropolymers; RNA interference; phenotype
 Abstract: The dimerisation properties of six intestine-expressed intermediate filament (IF) proteins (B2, C1, C2, D1, D2, E1) were analysed in blot overlay assay on membranes containing all of the eleven recombinant C. elegans IF proteins (A1, A2, A3, A4, B1, B2, C1, C2, D1, D2, and E1). The interactions detected in the blot assays exclusively comprise intestine-expressed IF proteins and the protein A4, which is found in the dauer larva intestine. About 86% of these interactions are heterotypic, while the remaining interactions relate to C1, C2, and D2 homodimers. These multiple modes of interaction were also supported by calculations of the numbers of possible interchain ionic interactions derived from the individual rod sequences. The results predict that the six B2, C1, C2, D1, D2, and E1 IF proteins are able to form as many as eleven different heteropolymeric and three homopolymeric IFs in the C. elegans intestine. This simple model of the intestinal IF meshwork enables us to speculate that our previously reported triple RNAi worms arrested or decreased their growth because of feeding reduction due to morphological defects of the mechanically compromised intestine.

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Language(s): eng - English
 Dates: 2017-01-222017-03
 Publication Status: Published in print
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 Rev. Method: Peer
 Identifiers: DOI: 10.1002/cm.21354
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Title: Cytoskeleton
Source Genre: Journal
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Pages: - Volume / Issue: 74 (3) Sequence Number: - Start / End Page: 107 - 113 Identifier: -