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. 1979 Feb;63(2):359–362. doi: 10.1104/pp.63.2.359

Effects of Controlled Atmospheres on Production of Sesquiterpenoid Stress Metabolites by White Potato Tuber

Possible Involvement of Cyanide-resistant Respiration 1

Leo M Alves a,2,3, Edward G Heisler a, John C Kissinger a, Joseph M Patterson III a, Edwin B Kalan a
PMCID: PMC542829  PMID: 16660728

Abstract

Levels of katahdinone (solavetivone), lubimin, rishitin, and phytuberin, sesquiterpenoid stress metabolites of white potato (Solanum tuberosum), were monitored in tuber slices which were challenged with an extract of Phytophthora infestans and incubated under controlled atmospheres. A mixture of ethylene in air enhanced stress metabolite production. This enhancement was amplified by higher partial pressures of oxygen. Stress metabolite production was inhibited by salicylhydroxamic acid. These results suggest the involvement of cyanide-resistant respiration in the production of potato stress metabolites, compounds which may serve as phytoalexins.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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