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Polyamines and paraquat toxicity in Arabidopsis thaliana
J Kurepa1, J Smalle, M Van Montagu
1Department of Genetics, Flanders Interuniversity Institute for Biotechnology, Universiteit Gent, Belgium.
Plant & Cell Physiology
|November 17, 1998
Abstract:
The relationship between paraquat toxicity and polyamine levels was analyzed in Arabidopsis wild-type and gi-3 plants. Paraquat treatment led to an increase in putrescine, but not of spermidine and spermine content. Additionally, polyamine feeding offered high levels of protection against paraquat toxicity with spermidine being the most effective protectant.