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Influx and efflux of potassium rubidium-86 in UV-C irradiated guard of Vicia-Faba.

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Author

Summary, in English

Effects of ultraviolet radiation (UV) (254 nm) on isolated guard cells of Vicia faba (cv. Long pod) have been investigated with regards to fluxes of 86Rb+. UV treatment inhibited influx by about 80%, while it increased efflux by up to 350%. Compartmental analysis showed a highly significant difference (p .ltoreq. 0.005) between the slow leakage components of the UV-treated cells (t1/2 = 5.8 min) and control cells (t1/2 = 72 min). The investigation revealed that the tonoplast (as well as the plasmalemma) is affected by UV.

Publishing year

1988

Language

English

Pages

239-244

Publication/Series

Plant Physiology and Biochemistry

Volume

26

Issue

3

Document type

Journal article

Publisher

Elsevier

Topic

  • Biological Sciences

Status

Published

ISBN/ISSN/Other

  • ISSN: 1873-2690