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Mechanisms of Cadmium Mobility and Accumulation in Indian Mustard
Indian mustard (Brassica juncea L.), a high biomass crop plant, accumulated substantial amounts of cadmium, with bioaccumulation coefficients (concentration of Cd in dry plant tissue/concentration in… Expand
Reduction and coordination of arsenic in Indian mustard.
- I. Pickering, R. Prince, M. J. George, R. D. Smith, G. George, D. Salt
- Chemistry, Medicine
- Plant physiology
- 1 April 2000
The bioaccumulation of arsenic by plants may provide a means of removing this element from contaminated soils and waters. However, to optimize this process it is important to understand the… Expand
Increased Glutathione Biosynthesis Plays a Role in Nickel Tolerance in Thlaspi Nickel Hyperaccumulators
Worldwide more than 400 plant species are now known that hyperaccumulate various trace metals (Cd, Co, Cu, Mn, Ni, and Zn), metalloids (As) and nonmetals (Se) in their shoots. Of these, almost… Expand
Subcellular localization and speciation of nickel in hyperaccumulator and non-accumulator Thlaspi species.
The ability of Thlaspi goesingense Hálácsy to hyperaccumulate Ni appears to be governed by its extraordinary degree of Ni tolerance. However, the physiological basis of this tolerance mechanism is… Expand
Zinc Ligands in the Metal Hyperaccumulator Thlaspi caerulescens As Determined Using X-ray Absorption Spectroscopy
Using the noninvasive technique of X-ray absorption spectroscopy (XAS), we have been able to determine the ligand environment of Zn in different tissues of the Zn-hyperaccumulator Thlaspi… Expand
The Chemical Form of Mercury in Fish
The primary dietary source of neurotoxic mercury compounds is via the ingestion of methylmercury species accumulated in fish. Methylmercury from fish has been linked to neurological damage (Minamata… Expand
Biochemistry: A cadmium enzyme from a marine diatom
The ocean biota contains a vast reservoir of genomic diversity. Here we present the sequence and preliminary characterization of a protein that is a cadmium-containing carbonic anhydrase from the… Expand
A Novel Arsenate Reductase from the Arsenic Hyperaccumulating Fern Pteris vittata1
- D. Ellis, L. Gumaelius, E. Indriolo, I. Pickering, J. Banks, D. Salt
- Biology, Medicine
- Plant Physiology
- 9 June 2006
Pteris vittata sporophytes hyperaccumulate arsenic to 1% to 2% of their dry weight. Like the sporophyte, the gametophyte was found to reduce arsenate [As(V)] to arsenite [As(III)] and store arsenic… Expand
Analysis of sulfur and selenium assimilation in Astragalus plants with varying capacities to accumulate selenium.
- T. Sors, D. Ellis, +5 authors D. Salt
- Biology, Medicine
- The Plant journal : for cell and molecular…
- 5 May 2005
Several Astragalus species have the ability to hyperaccumulate selenium (Se) when growing in their native habitat. Given that the biochemical properties of Se parallel those of sulfur (S), we… Expand
Structural basis of the antagonism between inorganic mercury and selenium in mammals.
- J. Gailer, G. George, +6 authors H. Aposhian
- Medicine, Chemistry
- Chemical research in toxicology
- 1 November 2000
Mercuric chloride toxicity in mammals can be overcome by co-administration of sodium selenite. We report a study of the mutual detoxification product in rabbit plasma, and of a Hg-Se-S-containing… Expand