Abscisic acid alleviates iron deficiency by promoting root iron reutilization and transport from root to shoot in Arabidopsis

GJ Lei, XF Zhu, ZW Wang, F Dong… - Plant, cell & …, 2014 - Wiley Online Library
Abscisic acid (ABA) has been demonstrated to be involved in iron (F e) homeostasis, but the
underlying mechanism is largely unknown. Here, we found that F e deficiency induced ABA …

Different pathways for exogenous ABA-mediated down-regulation of cadmium accumulation in plants under different iron supplies

Y You, Y Wang, S Zhang, X Sun, H Liu, EY Guo… - Journal of Hazardous …, 2022 - Elsevier
Exogenous abscisic acid (ABA) could inhibit cadmium (Cd) accumulation in plants; however,
its performance in an uneven iron (Fe) background remains unknown. Here, we found that …

Exogenous abscisic acid application decreases cadmium accumulation in Arabidopsis plants, which is associated with the inhibition of IRT1-mediated cadmium …

SK Fan, XZ Fang, MY Guan, YQ Ye, XY Lin… - Frontiers in plant …, 2014 - frontiersin.org
Cadmium (Cd) contamination of agricultural soils is an increasingly serious problem.
Measures need to be developed to minimize Cd entering the human food chain from …

Nitric oxide acts downstream of auxin to trigger root ferric-chelate reductase activity in response to iron deficiency in Arabidopsis

WW Chen, JL Yang, C Qin, CW Jin, JH Mo… - Plant …, 2010 - academic.oup.com
In response to iron (Fe) deficiency, dicots employ a reduction-based mechanism by inducing
ferric-chelate reductase (FCR) at the root plasma membrane to enhance Fe uptake …

Inoculation with Bacillus subtilis and Azospirillum brasilense Produces Abscisic Acid That Reduces Irt1-Mediated Cadmium Uptake of Roots

Q Xu, W Pan, R Zhang, Q Lu, W Xue… - Journal of agricultural …, 2018 - ACS Publications
Cadmium (Cd) contamination of agricultural soils represents a serious risk to crop safety. A
new strategy using abscisic acid (ABA)-generating bacteria, Bacillus subtilis or Azospirillum …

Reduction-based iron uptake revisited: on the role of secreted iron-binding compounds

J Rodríguez-Celma, W Schmidt - Plant signaling & behavior, 2013 - Taylor & Francis
With the exception of the grasses, plants rely on a reduction-based iron (Fe) uptake system
that is compromised by high soil pH, leading to severe chlorosis and reduced yield in crop …

Evolution of abscisic acid signaling for stress responses to toxic metals and metalloids

B Hu, F Deng, G Chen, X Chen, W Gao… - Frontiers in plant …, 2020 - frontiersin.org
Toxic heavy metals and metalloids in agricultural ecosystems are crucial factors that limit
global crop productivity and food safety. Industrial toxic heavy metals and metalloids such as …

Dissecting iron deficiency‐induced proton extrusion in Arabidopsis roots

S Santi, W Schmidt - New Phytologist, 2009 - Wiley Online Library
Here, we have analysed the H+‐ATPase‐mediated extrusion of protons across the plasma
membrane (PM) of rhizodermic cells, a process that is inducible by iron (Fe) deficiency and …

Abscisic acid: Metabolism, transport, crosstalk with other plant growth regulators, and its role in heavy metal stress mitigation

S Kumar, SH Shah, Y Vimala, HS Jatav… - Frontiers in plant …, 2022 - frontiersin.org
Heavy metal (HM) stress is threatening agricultural crops, ecological systems, and human
health worldwide. HM toxicity adversely affects plant growth, physiological processes, and …

Abscisic acid‐mediated modifications of radial apoplastic transport pathway play a key role in cadmium uptake in hyperaccumulator Sedum alfredii

Q Tao, R Jupa, Y Liu, J Luo, J Li, J Kováč… - Plant, cell & …, 2019 - Wiley Online Library
Abscisic acid (ABA) is a key phytohormone underlying plant resistance to toxic metals.
However, regulatory effects of ABA on apoplastic transport in roots and consequences for …