Brassica juncea produces a phytochelatin-cadmium-sulfide complex

Phytochelatins (PCs) are enzymically synthesized peptides produced in higher plants and some fungi upon exposure to heavy metals. We have examined PC production in the Se-tolerant wild mustard Brassica juncea and found that it produces two types of PC-Cd complexes with the same characteristics as th...

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Bibliographic Details
Published in:Plant physiology (Bethesda) 1992-07, Vol.99 (3), p.817-821
Main Authors: SPEISER, DM, ABRAHAMSON, SL, BANUELOS, G, OW, DW
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
Amino acids
analytical methods
azufre
Biological and medical sciences
Brasses
brassica juncea
cadmio
Cadmium
chelateur
chelating agents
Environmental and Stress Physiology
fitotoxicidad
Fundamental and applied biological sciences. Psychology
Gels
Heavy metals
Life Sciences & Biomedicine
lycopersicon esculentum
Non agrochemicals pollutants
peptide
peptides
peptidos
Phytopathology. Animal pests. Plant and forest protection
phytotoxicite
phytotoxicity
Plant Sciences
Plants
Pollution effects and side effects of agrochemicals on crop plants and forest trees. Other anthropogenic factors
Pollution effects. Side effects of agrochemicals
protein synthesis
quelatos
saccharomyces
Schizosaccharomyces
Science & Technology
selenio
selenium
sintesis de proteinas
soufre
Sulfides
Sulfur
sulphur
synthese proteique
technique analytique
tecnicas analiticas
Yeasts
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Description
Summary:Phytochelatins (PCs) are enzymically synthesized peptides produced in higher plants and some fungi upon exposure to heavy metals. We have examined PC production in the Se-tolerant wild mustard Brassica juncea and found that it produces two types of PC-Cd complexes with the same characteristics as those from fission yeast Schizosaccharomyces pombe, including a high molecular weight PC-Cd-sulfide form.
ISSN:0032-0889
1532-2548
DOI:10.1104/pp.99.3.817