The essential basic helix-loop-helix protein FIT1 is required for the iron deficiency response

EP Colangelo, ML Guerinot - The Plant Cell, 2004 - academic.oup.com
Regulation of iron uptake is critical for plant survival. Although the activities responsible for
reduction and transport of iron at the plant root surface have been described, the genes …

Molecular mechanisms governing Arabidopsis iron uptake

T Brumbarova, P Bauer, R Ivanov - Trends in plant science, 2015 - cell.com
Plants are the principal source of dietary iron (Fe) for most of Earth's population and Fe
deficiency can lead to major health problems. Developing strategies to improve plant Fe …

Proteasome‐mediated turnover of the transcriptional activator FIT is required for plant iron‐deficiency responses

A Sivitz, C Grinvalds, M Barberon, C Curie… - The Plant …, 2011 - Wiley Online Library
Plants display a number of responses to low iron availability in order to increase iron uptake
from the soil. In the model plant Arabidopsis thaliana, the ferric‐chelate reductase FRO2 and …

Arabidopsis bHLH100 and bHLH101 control iron homeostasis via a FIT-independent pathway

AB Sivitz, V Hermand, C Curie, G Vert - 2012 - journals.plos.org
Iron deficiency induces a complex set of responses in plants, including developmental and
physiological changes, to increase iron uptake from soil. In Arabidopsis, many transporters …

The iron deficiency response in Arabidopsis thaliana requires the phosphorylated transcription factor URI

SA Kim, IS LaCroix, SA Gerber… - Proceedings of the …, 2019 - National Acad Sciences
Iron is an essential nutrient for plants, but excess iron is toxic due to its catalytic role in the
formation of hydroxyl radicals. Thus, iron uptake is highly regulated and induced only under …

FIT interacts with AtbHLH38 and AtbHLH39 in regulating iron uptake gene expression for iron homeostasis in Arabidopsis

Y Yuan, H Wu, N Wang, J Li, W Zhao, J Du, D Wang… - Cell research, 2008 - nature.com
Iron is an essential element for plant growth and development. Iron homeostasis in plants is
tightly regulated at both transcriptional and posttranscriptional level. Several bHLH …

[HTML][HTML] Mining iron: iron uptake and transport in plants

SA Kim, ML Guerinot - FEBS letters, 2007 - Elsevier
Iron uptake in plants is highly regulated in order to supply amounts sufficient for optimal
growth while preventing excess accumulation. In response to iron deficiency, plants induce …

Overexpression of the FRO2 ferric chelate reductase confers tolerance to growth on low iron and uncovers posttranscriptional control

EL Connolly, NH Campbell, N Grotz… - Plant …, 2003 - academic.oup.com
The Arabidopsis FRO2 gene encodes the low-iron-inducible ferric chelate reductase
responsible for reduction of iron at the root surface. Here, we report that FRO2 and IRT1, the …

Cytokinins negatively regulate the root iron uptake machinery in Arabidopsis through a growth‐dependent pathway

M Séguéla, JF Briat, G Vert, C Curie - The Plant Journal, 2008 - Wiley Online Library
Plants display a number of biochemical and developmental responses to low iron
availability in order to increase iron uptake from the soil. The ferric‐chelate reductase FRO2 …

Iron homeostasis in Arabidopsis thaliana: transcriptomic analyses reveal novel FIT-regulated genes, iron deficiency marker genes and functional gene networks

HJ Mai, S Pateyron, P Bauer - BMC Plant Biology, 2016 - Springer
Abstract Background FIT (FER-LIKE IRON DEFICIENCY-INDUCED TRANSCRIPTION
FACTOR) is the central regulator of iron uptake in Arabidopsis thaliana roots. We performed …