[4] Geldner's research at the University of Lausanne is focused on root endodermis,[5] specifically the formation of the Casparian strips and suberin lamellae, which are the protective extracellular diffusion barriers formed by this cell layer.
[6] More recently, Geldner and his collaborators uncovered, using a forward genetic screen, a new signaling pathway, initiated by post-translationally sulfated endogenous peptides.
The Plant Journal 59 (1), 169-178 Doblas VG, Smakowska-Luzan E, Fujita S, Alassimone J, Barberon M, Madalinski M, Belkhadir Y, Geldner N. Root diffusion barrier control by a vasculature-derived peptide binding to the SGN3 receptor.
Naseer S, Lee Y, Lapierre C, Franke R, Nawrath C, Geldner N. Casparian strip diffusion barrier in Arabidopsis is made of a lignin polymer without suberin.
Roppolo D, De Rybel B, Dénervaud Tendon V, Pfister A, Alassimone J, Vermeer JEM, Yamazaki M, Stierhof Y, Beeckman T, Geldner N. A novel protein family directs Casparian Strip formation in the endodermis.
Zhou F, Emonet A, Dénervaud Tendon V, Marhavy P, Wu D, Lahaye T, Geldner N. Co-incidence of Damage and Microbial Patterns Controls Localized Immune Responses in Roots.Cell.