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Hydro-osmotic instabilities in active membrane tubes
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Al-Izzi, Sami C., Rowlands, George, Sens, Pierre and Turner, Matthew S. (2018) Hydro-osmotic instabilities in active membrane tubes. Physical Review Letters, 120 (13). 138102. doi:10.1103/PhysRevLett.120.138102 ISSN 1079-7114.
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Official URL: http://doi.org/10.1103/PhysRevLett.120.138102
Abstract
We study a membrane tube with unidirectional ion pumps driving an osmotic pressure difference. A pressure driven peristaltic instability is identified, qualitatively distinct from similar tension-driven Rayleigh type instabilities on membrane tubes. We discuss how this instability could be related to the function and biogenesis of membrane bound organelles, in particular the contractile vacuole complex. The unusually long natural wavelength of this instability is in agreement with that observed in cells.
Item Type: | Journal Article | ||||||
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Subjects: | Q Science > QH Natural history > QH301 Biology | ||||||
Divisions: | Faculty of Science, Engineering and Medicine > Research Centres > Centre for Complexity Science Faculty of Science, Engineering and Medicine > Science > Mathematics Faculty of Science, Engineering and Medicine > Science > Physics |
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Library of Congress Subject Headings (LCSH): | Cell membranes, Cell organelles | ||||||
Journal or Publication Title: | Physical Review Letters | ||||||
Publisher: | American Physical Society | ||||||
ISSN: | 1079-7114 | ||||||
Official Date: | 30 March 2018 | ||||||
Dates: |
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Volume: | 120 | ||||||
Number: | 13 | ||||||
Article Number: | 138102 | ||||||
DOI: | 10.1103/PhysRevLett.120.138102 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||
Date of first compliant deposit: | 1 February 2018 | ||||||
Date of first compliant Open Access: | 21 June 2018 | ||||||
RIOXX Funder/Project Grant: |
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