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Vacuolar proton pumping: more than the sum of its parts?


Eisenach, Cornelia; Baetz, Ulrike; Martinoia, Enrico (2014). Vacuolar proton pumping: more than the sum of its parts? Trends in Plant Science, 19(6):344-346.

Abstract

Petunia flower colour is dependent on vacuolar pH and is therefore used to study acidification mechanisms. Recently, it was shown that the concerted action of two tonoplast-localised P3-ATPases is required to hyperacidify vacuoles of petunia petal epidermis cells. Here we discuss how steep cross-tonoplast pH gradients may be established in specific cells.

Abstract

Petunia flower colour is dependent on vacuolar pH and is therefore used to study acidification mechanisms. Recently, it was shown that the concerted action of two tonoplast-localised P3-ATPases is required to hyperacidify vacuoles of petunia petal epidermis cells. Here we discuss how steep cross-tonoplast pH gradients may be established in specific cells.

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Additional indexing

Item Type:Journal Article, refereed, further contribution
Communities & Collections:07 Faculty of Science > Department of Plant and Microbial Biology
07 Faculty of Science > Zurich-Basel Plant Science Center
Dewey Decimal Classification:580 Plants (Botany)
Language:English
Date:June 2014
Deposited On:04 Feb 2015 11:33
Last Modified:04 Jun 2016 12:14
Publisher:Elsevier
ISSN:1360-1385
Publisher DOI:https://doi.org/10.1016/j.tplants.2014.03.008
PubMed ID:24703550

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