Get 20M+ Full-Text Papers For Less Than $1.50/day. Start a 14-Day Trial for You or Your Team.

Learn More →

Abscisic Acid Stimulates the Expression of Two Isoforms of Plasma Membrane Ca2+‐ATPase in Arabidopsis thaliana Seedlings

Abscisic Acid Stimulates the Expression of Two Isoforms of Plasma Membrane Ca2+‐ATPase in... Abstract: At‐ACA8 and At‐ACA9 are two plasma membrane (PM) Ca2+‐ATPases of Arabidopsis thaliana. In this article the expression of At‐ACA8, At‐ACA9, and of At‐ACA10, a third isoform of Ca2+‐ATPase closely related to PM Ca2+‐ATPases, was analysed and the effect of the hormone abscisic acid (ABA) on the expression level of PM Ca2+‐ATPase specific transcripts was investigated. In adult plants of A. thaliana, At‐ACA8 and At‐ACA10 are expressed in all organs considered whereas At‐ACA9 is expressed only in flowers. All isoforms of PM Ca2+‐ATPases can be detected in young seedlings but the amount of At‐ACA9 mRNA is much lower than those of At‐ACA8 and At‐ACA10. ABA markedly and rapidly stimulates the expression of both At‐ACA8 and At‐ACA9 genes in young seedlings but not that of At‐ACA10. ABA also increases the level of At‐ACA8 protein at the PM, suggesting a role for PM Ca2+‐ATPases in ABA signalling. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Plant Biology Wiley

Abscisic Acid Stimulates the Expression of Two Isoforms of Plasma Membrane Ca2+‐ATPase in Arabidopsis thaliana Seedlings

Loading next page...
 
/lp/wiley/abscisic-acid-stimulates-the-expression-of-two-isoforms-of-plasma-X0oa0t8hJu

References (65)

Publisher
Wiley
Copyright
Copyright © 2006 Wiley Subscription Services, Inc., A Wiley Company
ISSN
1435-8603
eISSN
1438-8677
DOI
10.1055/s-2006-924111
pmid
16821193
Publisher site
See Article on Publisher Site

Abstract

Abstract: At‐ACA8 and At‐ACA9 are two plasma membrane (PM) Ca2+‐ATPases of Arabidopsis thaliana. In this article the expression of At‐ACA8, At‐ACA9, and of At‐ACA10, a third isoform of Ca2+‐ATPase closely related to PM Ca2+‐ATPases, was analysed and the effect of the hormone abscisic acid (ABA) on the expression level of PM Ca2+‐ATPase specific transcripts was investigated. In adult plants of A. thaliana, At‐ACA8 and At‐ACA10 are expressed in all organs considered whereas At‐ACA9 is expressed only in flowers. All isoforms of PM Ca2+‐ATPases can be detected in young seedlings but the amount of At‐ACA9 mRNA is much lower than those of At‐ACA8 and At‐ACA10. ABA markedly and rapidly stimulates the expression of both At‐ACA8 and At‐ACA9 genes in young seedlings but not that of At‐ACA10. ABA also increases the level of At‐ACA8 protein at the PM, suggesting a role for PM Ca2+‐ATPases in ABA signalling.

Journal

Plant BiologyWiley

Published: Sep 1, 2006

Keywords: ; ; ; ; ;

There are no references for this article.