Diverse functions and molecular properties emerging for CAX cation/H+ exchangers in plants

T Shigaki, KD Hirschi - Plant Biology, 2006 - thieme-connect.com
Steep concentration gradients of many ions are actively maintained, with lower
concentrations typically located in the cytosol, and higher concentrations in organelles and …

Plant cation/H+ exchangers (CAXs): biological functions and genetic manipulations

M Manohar, T Shigaki, KD Hirschi - Plant biology, 2011 - Wiley Online Library
Inorganic cations play decisive roles in many cellular and physiological processes and are
essential components of plant nutrition. Therefore, the uptake of cations and their …

Characterization of Arabidopsis Ca2+/H+ Exchanger CAX3

M Manohar, T Shigaki, H Mei, S Park, J Marshall… - Biochemistry, 2011 - ACS Publications
Plant calcium (Ca2+) gradients, millimolar levels in the vacuole and micromolar levels in the
cytoplasm, are regulated in part by high-capacity vacuolar cation/H+ exchangers (CAXs) …

[HTML][HTML] Identification of a crucial histidine involved in metal transport activity in the Arabidopsis cation/H+ exchanger CAX1

T Shigaki, BJ Barkla, MC Miranda-Vergara… - Journal of Biological …, 2005 - ASBMB
In plants, yeast, and bacteria, cation/H+ exchangers (CAXs) have been shown to translocate
Ca 2+ and other metal ions utilizing the H+ gradient. The best characterized of these related …

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+ …

CAX‐ing a wide net: Cation/H+ transporters in metal remediation and abiotic stress signalling

JK Pittman, KD Hirschi - Plant Biology, 2016 - Wiley Online Library
Cation/proton exchangers (CAX s) are a class of secondary energised ion transporter that
are being implicated in an increasing range of cellular and physiological functions. CAX s …

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 …

[HTML][HTML] Functional studies of split Arabidopsis Ca2+/H+ exchangers

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

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 …

[HTML][HTML] 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 …