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Alternative Path Mediated Chloride Absorption in Cyanide-Resistant Tissues
Author(s) -
Athanasios Theologis,
George G. Laties
Publication year - 1981
Publication title -
plant physiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.554
H-Index - 312
eISSN - 1532-2548
pISSN - 0032-0889
DOI - 10.1104/pp.68.1.240
Subject(s) - cyanide , chloride , chemistry , respiration , absorption (acoustics) , hydrogen cyanide , biochemistry , inorganic chemistry , nuclear chemistry , botany , organic chemistry , biology , materials science , composite material
The ability of two cyanide-resistant tissues-aged potato slices and fresh preclimacteric banana slices-to take up chloride in the presence of cyanide has been established. Extensive inhibition of chloride uptake by cyanide and chlorbenzhydroxamate together indicates that chloride absorption in the presence of cyanide is supported by respiration mediated by the alternative path. The partial inhibition of respiration-dependent chloride uptake by chlorbenzhydroxamate alone is independent of its effect on the alternative oxidase, and points to inhibition of the transport process per se.

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