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Université de Fribourg

Isolation and characterization of signal transduction mutants of Arabidopsis thaliana that constitutively activate the octadecanoid pathway and form necrotic microlesions

Hilpert, Bernadette ; Bohlmann, Holger ; Camp, Roel op den ; Przybyla, Dominika ; Miersch, Otto ; Buchala, Anthony ; Apel, Klaus

In: The Plant Journal, 2001, vol. 26, p. 435

Thionins are a group of antimicrobial polypeptides that form part of the plant's defense mechanism against pathogens. The Thi 2.1 thionin gene of Arabidopsis thaliana has been shown to be inducible by jasmonic acid (JA), an oxylipin-like hormone derived from oxygenated linolenic acid and synthesized via the octadecanoid pathway. The JA-dependent regulation of the Thi 2.1 gene...