Bacterial iron homeostasis

SC Andrews, AK Robinson… - FEMS microbiology …, 2003 - academic.oup.com
Iron is essential to virtually all organisms, but poses problems of toxicity and poor solubility.
Bacteria have evolved various mechanisms to counter the problems imposed by their iron …

Iron uptake, trafficking and homeostasis in plants

R Hell, UW Stephan - Planta, 2003 - Springer
Iron is an essential micronutrient with numerous cellular functions, and its deficiency
represents one of the most serious problems in human nutrition worldwide. Plants have two …

Iron transport and signaling in plants

C Curie, JF Briat - Annual Review of Plant Biology, 2003 - annualreviews.org
Cellular and whole organism iron homeostasis must be balanced to supply enough iron for
metabolism and to avoid excessive, toxic levels. To perform iron uptake from the …

AtNRAMP3, a multispecific vacuolar metal transporter involved in plant responses to iron deficiency

S Thomine, F Lelièvre, E Debarbieux… - The Plant …, 2003 - Wiley Online Library
Metal homeostasis is critical for the survival of living organisms, and metal transporters play
central roles in maintaining metal homeostasis in the living cells. We have investigated the …

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 …

[HTML][HTML] Expression profiles of Arabidopsis thaliana in mineral deficiencies reveal novel transporters involved in metal homeostasis

H Wintz, T Fox, YY Wu, V Feng, W Chen… - Journal of Biological …, 2003 - ASBMB
Plants directly assimilate minerals from the environment and thus are key for acquisition of
metals by all subsequent consumers. Limited bio-availability of copper, zinc and iron in soil …

Three rice nicotianamine synthase genes, OsNAS1, OsNAS2, and OsNAS3 are expressed in cells involved in long‐distance transport of iron and differentially …

H Inoue, K Higuchi, M Takahashi, H Nakanishi… - The Plant …, 2003 - Wiley Online Library
Nicotianamine (NA), a chelator of metals, is ubiquitously present in higher plants. In
graminaceous plants, NA is a biosynthetic precursor of phytosiderophores and is thus a …

植物对重金属的吸收和分布

罗春玲, 沈振国 - 植物学报, 2003 - chinbullbotany.com
植物修复是利用植物来清除污染土壤中重金属的一项技术. 该技术成功与否取决于植物从土壤中
吸取金属以及向地上部运输金属的能力. 植物对金属的吸收主要取决于自由态离子活度 …

Dual regulation of the Arabidopsis high-affinity root iron uptake system by local and long-distance signals

GA Vert, JF Briat, C Curie - Plant physiology, 2003 - academic.oup.com
Regulation of the root high-affinity iron uptake system by whole-plant signals was
investigated at the molecular level in Arabidopsis, through monitoring FRO2 and IRT1 gene …

The monosaccharide transporter gene, AtSTP4, and the cell-wall invertase, At β fruct1, are induced in Arabidopsis during infection with the fungal biotroph Erysiphe …

V Fotopoulos, MJ Gilbert, JK Pittman… - Plant …, 2003 - academic.oup.com
Powdery mildew fungi are biotrophic pathogens that form a complex interface, the
haustorium, between the host plant and the parasite. The pathogen acts as an additional …