ISSN:
1399-3054
Source:
Blackwell Publishing Journal Backfiles 1879-2005
Topics:
Biology
Notes:
Boron deficiency reduces the ferricyanide-induced net proton release of suspension-cultured carrot (Daucus carota L.) and tomato (Lycopersicon esculentum Mill.) cells by more than 50%. This effect is reversed within 60 to 90 min by the addition of B. Vanadate (400 μM) completely suppresses the proton release, indicating an ATPasedriven process. The differences between B treatments do not appear when auxins are omitted from the experimental solution, but can be observed within less than 30 min after the addition of auxin to auxin-deficient cell cultures. This suggests, that an adequate supply of B is required for the auxin action to take place. The results are discussed with respect to the primary functions of B in membranes and transport processes, and its possible influence on auxin-induced metabolic events.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1111/j.1399-3054.1990.tb04383.x
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