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export of salicylic acid from the chloroplast requires the multidrug and toxin extrusion-Like transporter EDS5

Serrano, Mario ; Wang, Bangjun ; Aryal, Bibek ; Garcion, Christophe ; Abou-Mansour, Eliane ; Heck, Silvia ; Geisler, Markus ; Mauch, Felix ; Nawrath, Christiane ; Métraux, Jean-Pierre

In: Plant Physiology, 2013, vol. 162, no. 4, p. 1815–1821

Salicylic acid (SA) is central for the defense of plants to pathogens and abiotic stress. SA is synthesized in chloroplasts from chorismic acid by an isochorismate synthase (ICS1); SA biosynthesis is negatively regulated by autoinhibitory feedback at ICS1. Genetic studies indicated that the multidrug and toxin extrusion transporter ENHANCED DISEASE SUSCEPTIBILITY5 (EDS5) of Arabidopsis...

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Genetic evidence that expression of NahG modifies defence pathways independent of salicylic acid biosynthesis in the Arabidopsis–Pseudomonas syringae pv. tomato interaction

Heck, Silvia ; Grau, Theres ; Buchala, Antony ; Métraux, Jean-Pierre ; Nawrath, Christiane

In: The Plant Journal, 2003, vol. 36(3), p. 342

The salicylic acid (SA)-induction deficient (sid) mutants of Arabidopsis, eds5 and sid2 accumulate normal amounts of camalexin after inoculation with Pseudomonas syringae pv. tomato (Pst), while transgenic NahG plants expressing an SA hydroxylase that degrades SA have reduced levels of camalexin and exhibit a higher susceptibility to different...

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