Abstract
Ferritin and ferritin-iron in the primary leaves of Phaseolus vulgaris L. were determined during growth in the dark, in the light, and during de-etiolation. The ratio ferritin protein/total protein appeared to be rather constant. In dark-grown leaves maximally 50% of the total extractable iron was found to be present in ferritin. This percentage was lower in deetiolating and light-grown leaves. In ten-day-old green leaves no ferritin-iron could be measured. The translocation of iron from cotyledons to the developing plant appears to be related to the need for iron in the leaves. These results suggest that ferritin acts as a buffer molecule for iron in plants.
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van der Mark, F., de Lange, T. & Bienfait, H.F. The role of ferritin in developing primary bean leaves under various light conditions. Planta 153, 338–342 (1981). https://doi.org/10.1007/BF00384252
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DOI: https://doi.org/10.1007/BF00384252