S. McGrath

Publications662
h-index114
Citations48,095
Highly Influential Citations2,617
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Toxicity of heavy metals to microorganisms and microbial processes in agricultural soils: a review
Transporters of arsenite in rice and their role in arsenic accumulation in rice grain
  • J. Ma, N. Yamaji, F. Zhao
  • Environmental Science
    Proceedings of the National Academy of Sciences
  • 22 July 2008
TLDR
It is reported that two different types of transporters mediate transport of arsenite, the predominant form of arsenic in paddy soil, from the external medium to the xylem, which explains why rice is efficient in arsenic accumulation.
Arsenic uptake and metabolism in plants.
TLDR
Hyperaccumulation appears to involve enhanced arsenate uptake, decreased arsenite-thiol complexation and arsenite efflux to the external medium, greatly enhanced xylem translocation of arsenite, and vacuolar sequestration of arsenites in fronds.
Metal Hyperaccumulator Plants: A Review of the Ecology and Physiology of a Biological Resource for Phytoremediation of Metal-Polluted Soils
Arsenic as a food chain contaminant: mechanisms of plant uptake and metabolism and mitigation strategies.
TLDR
A range of mitigation methods, from agronomic measures and plant breeding to genetic modification, may be employed to reduce As uptake by food crops.
Phytoextraction of metals and metalloids from contaminated soils.
Mechanisms of Arsenic Hyperaccumulation in Pteris vittata. Uptake Kinetics, Interactions with Phosphate, and Arsenic Speciation1
TLDR
It is concluded that arsenate is taken up by P. vittata via the phosphate transporters, reduced to arsenite, and sequestered in the fronds primarily as As(III).
Cellular compartmentation of cadmium and zinc in relation to other elements in the hyperaccumulator Arabidopsis halleri
TLDR
The analysis of the cellular compartmentation of elements in the Zn hyperaccumulator Arabidopsis halleri indicates that the mesophyll cells in the leaves of A. halleri are the major storage site for Zn and Cd, and play an important role in theirhyperaccumulation.
Phytoremediation of heavy metal-contaminated soils: natural hyperaccumulation versus chemically enhanced phytoextraction.
TLDR
Phytoextraction of Cd and Zn by maize + EDTA was much smaller than that by T. caerulescens from the industrially contaminated soil, and was either smaller (Cd or similar (Zn) from the agricultural soil.
Sulphur Assimilation and Effects on Yield and Quality of Wheat
TLDR
It is shown that reproductive growth of wheat appears to be more sensitive to S deficiency than vegetative growth, with decreased grain size under S-limiting conditions, and breadmaking quality correlated more closely with grain S concentration than with N concentration.
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