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Université de Fribourg

The cuticle mutant eca2 modifies plant defense responses to biotrophic and necrotrophic pathogens and herbivory insects

Blanc, Catherine ; Coluccia, Fania ; L?Haridon, Floriane ; Torres, Martha ; Ortiz-Berrocal, Marlene ; Stahl, Elia ; Reymond, Philippe ; Schreiber, Lukas ; Nawrath, Christiane ; Métraux, Jean-Pierre ; Serrano, Mario

In: Molecular Plant-Microbe Interactions, 2017, vol. 31, no. 3, p. 344–355

We isolated previously several Arabidopsis thaliana mutants with constitutive expression of the early microbe-associated molecular pattern–induced gene ATL2, named eca (expresión constitutiva de ATL2). Here, we further explored the interaction of eca mutants with pest and pathogens. Of all eca mutants, eca2 was more resistant to a fungal pathogen (Botrytis cinerea) and a bacterial pathogen...

Université de Fribourg

Arabidopsis BTB/POZ protein-dependent PENETRATION3 trafficking and disease susceptibility

Mao, Hailiang ; Aryal, Bibek ; Langenecker, Tobias ; Hagmann, Jörg ; Geisler, Markus ; Grebe, Markus

In: Nature Plants, 2017, vol. 3, no. 11, p. 854

The outermost cell layer of plant roots (epidermis) constantly encounters environmental challenges. The epidermal outer plasma membrane domain harbours the PENETRATION3 (PEN3)/ABCG36/PDR8 ATP-binding cassette transporter that confers non-host resistance to several pathogens. Here, we show that the Arabidopsis ENDOPLASMIC RETICULUM-ARRESTED PEN3 (EAP3) BTB/POZ-domain protein specifically...