Functional association of Arabidopsis CAX1 and CAX3 is required for normal growth and ion homeostasis

NH Cheng, JK Pittman, T Shigaki… - Plant …, 2005 - academic.oup.com
Cation levels within the cytosol are coordinated by a network of transporters. Here, we
examine the functional roles of calcium exchanger 1 (CAX1), a vacuolar H+/Ca2+ …

The Arabidopsis cax1 Mutant Exhibits Impaired Ion Homeostasis, Development, and Hormonal Responses and Reveals Interplay among Vacuolar Transporters

NH Cheng, JK Pittman, BJ Barkla, T Shigaki… - The Plant …, 2003 - academic.oup.com
Abstract The Arabidopsis Ca2+/H+ transporter CAX1 (Cation Exchanger1) may be an
important regulator of intracellular Ca2+ levels. Here, we describe the preliminary …

[HTML][HTML] Characterization of CXIP4, a novel Arabidopsis protein that activates the H+/Ca2+ antiporter, CAX1

NH Cheng, JZ Liu, RS Nelson, KD Hirschi - FEBS letters, 2004 - Elsevier
Precise regulation of calcium transporters is essential for modulating the Ca2+ signaling
network that is involved in the growth and adaptation of all organisms. The Arabidopsis …

Regulation of CAX1, an Arabidopsis Ca2+/H+ Antiporter. Identification of an N-Terminal Autoinhibitory Domain

JK Pittman, KD Hirschi - Plant physiology, 2001 - academic.oup.com
Regulation of Ca2+ transport determines the duration of a Ca2+ signal, and hence, the
nature of the biological response. Ca2+/H+ antiporters such as CAX1 (cation exchanger 1) …

In planta regulation of the Arabidopsis Ca2+/H+ antiporter CAX1

H Mei, J Zhao, JK Pittman… - Journal of …, 2007 - academic.oup.com
Abstract Vacuolar localized Ca2+/H+ exchangers such as Arabidopsis thaliana ca tion ex
changer 1 (CAX1) play important roles in Ca2+ homeostasis. When expressed in yeast …

Characterization of CAX-like genes in plants: implications for functional diversity

T Shigaki, K Hirschi - Gene, 2000 - Elsevier
Transporter-mediated Ca2+ efflux from the cytoplasm is an important component of plant
signal transduction. To elucidate the diversity and role of Ca2+/H+ in controlling plant …

Interaction between Arabidopsis Ca2+/H+ exchangers CAX1 and CAX3

J Zhao, T Shigaki, H Mei, Y Guo, NH Cheng… - Journal of Biological …, 2009 - ASBMB
In plants, high capacity tonoplast cation/H+ antiport is mediated in part by a family of CAX
(cation exchanger) transporters. Functional association between CAX1 and CAX3 has …

Characterization of CAX4, an Arabidopsis H+/Cation Antiporter

N Cheng, JK Pittman, T Shigaki, KD Hirschi - Plant Physiology, 2002 - academic.oup.com
Ion compartmentalization is essential for plant growth and development. The Arabidopsis
open reading frames for CAX1, CAX2, and CAX3 (cation exchangers 1, 2, and 3) were …

Functional and regulatory analysis of the Arabidopsis thaliana CAX2 cation transporter

JK Pittman, T Shigaki, JL Marshall, JL Morris… - Plant Molecular …, 2004 - Springer
The vacuolar sequestration of metals is an important metal tolerance mechanism in plants.
The Arabidopsis thaliana vacuolar transporters CAX1 and CAX2 were originally identified in …

Expression of Arabidopsis CAX1 in Tobacco: Altered Calcium Homeostasis and Increased Stress Sensitivity

KD Hirschi - The Plant Cell, 1999 - academic.oup.com
Abstract Calcium (Ca2+) efflux from the cytosol modulates Ca2+ concentrations in the
cytosol, loads Ca2+ into intracellular compartments, and supplies Ca2+ to organelles to …