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- Title
The Uptake and Transport of Chromium by Barley Seedlings (Hordeum vulgare L.).
- Authors
SHEWRY, P. R.; PETERSON, P. J.
- Abstract
Uptake of CrO by intact barley seedlings was linear over 24 h and was stimulated by Ca2 but inhibited by SO and other Group VI anions. Uptake increased with increasing chromate concentration, but unless the concentration was high (100 μM) less than 1 per cent of the isotope absorbed was transported to the shoots. The results of solvent extraction, subcellular fractionation and efflux studies indicated that most of the isotope accumulated by the roots was present in a soluble non-particulate form in the vacuoles. The possible reasons for the restriction in chromate transport are discussed in relation to the metabolism of the element.
- Publication
Journal of Experimental Botany, 1974, Vol 25, Issue 4, p785
- ISSN
0022-0957
- Publication type
Article