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Publication year
2005Source
Science, 307, 5709, (2005), pp. 545ISSN
Publication type
Article / Letter to editor
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Organization
Physiology
Journal title
Science
Volume
vol. 307
Issue
iss. 5709
Page start
p. 545
Page end
p. 545
Subject
IGMD 9: Renal disorder; NCMLS 5: Membrane transport and intracellular motility; UMCN 5.4: Renal disordersAbstract
The positive buoyancy of marine fish eggs in sea water, allowed by hydration of the oocyte, is critical for their survival and dispersion in the ocean. We isolated an aquaporin, SaAQP1o, that belongs to a unique subfamily of aquaporin-1-like channels specifically evolved in teleosts and mainly expressed in the ovary. We further show that hormone-induced fish oocyte hydration is a highly controlled process based on the interplay between protein hydrolysis and the translocation of SaAQP1o to the plasma membrane, indicating a specialized physiological role for this aquaporin.
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- Faculty of Medical Sciences [90373]
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