Goldman, R.P.; Jozefkowicz, C.; Canessa Fortuna, A.; Sutka, M.; Alleva, K.; Ozu, M."Tonoplast (BvTIP1;2) and plasma membrane (BvPIP2;1) aquaporins show different mechanosensitive properties" (2017) FEBS Letters. 591(11):1555-1565
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Previous works proposed that aquaporins behave as mechanosensitive channels. However, principal issues about mechanosensitivity of aquaporins are not known. In this work, we characterized the mechanosensitive properties of the water channels BvTIP1;2 (TIP1) and BvPIP2;1 (PIP2) from red beet (Beta vulgaris). We simultaneously measured the mechanical behavior and the water transport rates during the osmotic response of emptied-out oocytes expressing TIP1 or PIP2. Our results indicate that TIP1 is a mechanosensitive aquaporin, whereas PIP2 is not. We found that a single exponential function between the osmotic permeability coefficient and the volumetric elastic modulus governs the mechanosensitivity of TIP1. Finally, homology modeling analysis indicates that putative residues involved in mechanosensitivity show different quantity and distribution in TIP1 and PIP2. © 2017 Federation of European Biochemical Societies


Documento: Artículo
Título:Tonoplast (BvTIP1;2) and plasma membrane (BvPIP2;1) aquaporins show different mechanosensitive properties
Autor:Goldman, R.P.; Jozefkowicz, C.; Canessa Fortuna, A.; Sutka, M.; Alleva, K.; Ozu, M.
Filiación:Consejo Nacional de Investigaciones Científicas y Técnicas, Facultad de Medicina, Instituto de Fisiología y Biofísica (IFIBIO Houssay), Laboratorio de Biomembranas, Universidad de Buenos Aires, Argentina
Consejo Nacional de Investigaciones Científicas y Técnicas, Instituto de Química y Fisicoquímica Biológicas (IQUIFIB), Departamento de Fisicomatemática, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Argentina
Consejo Nacional de Investigaciones Científicas y Técnicas, Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA), Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Argentina
Instituto de Genética Ewald A, Favret (CICVyA-INTA) and Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
Palabras clave:aquaporins; mechanosensitivity; membrane tension; volumetric elastic modulus; water flux; water permeability; aquaporin; PIP2 protein; TIP1 protein; unclassified drug; aquaporin; plant protein; adult; animal cell; beet; controlled study; female; heterologous expression; Letter; mechanotransduction; nonhuman; oocyte; osmotic pressure; priority journal; water permeability; water transport; Xenopus laevis; Young modulus; cell membrane; genetics; metabolism; osmosis; physiology; Aquaporins; Beta vulgaris; Cell Membrane; Osmosis; Plant Proteins
Página de inicio:1555
Página de fin:1565
Título revista:FEBS Letters
Título revista abreviado:FEBS Lett.
CAS:aquaporin, 215587-75-0; Aquaporins; Plant Proteins


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---------- APA ----------
Goldman, R.P., Jozefkowicz, C., Canessa Fortuna, A., Sutka, M., Alleva, K. & Ozu, M. (2017) . Tonoplast (BvTIP1;2) and plasma membrane (BvPIP2;1) aquaporins show different mechanosensitive properties. FEBS Letters, 591(11), 1555-1565.
---------- CHICAGO ----------
Goldman, R.P., Jozefkowicz, C., Canessa Fortuna, A., Sutka, M., Alleva, K., Ozu, M. "Tonoplast (BvTIP1;2) and plasma membrane (BvPIP2;1) aquaporins show different mechanosensitive properties" . FEBS Letters 591, no. 11 (2017) : 1555-1565.
---------- MLA ----------
Goldman, R.P., Jozefkowicz, C., Canessa Fortuna, A., Sutka, M., Alleva, K., Ozu, M. "Tonoplast (BvTIP1;2) and plasma membrane (BvPIP2;1) aquaporins show different mechanosensitive properties" . FEBS Letters, vol. 591, no. 11, 2017, pp. 1555-1565.
---------- VANCOUVER ----------
Goldman, R.P., Jozefkowicz, C., Canessa Fortuna, A., Sutka, M., Alleva, K., Ozu, M. Tonoplast (BvTIP1;2) and plasma membrane (BvPIP2;1) aquaporins show different mechanosensitive properties. FEBS Lett. 2017;591(11):1555-1565.