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The Inverted Phantom Giant

Erb, Matthias

In: Journal of Chemical Ecology, 2014, vol. 40, no. 5, p. 417-417

Université de Fribourg

Induced jasmonate signaling leads to contrasting effects on root damage and herbivore performance

Lu, Jing ; Robert, Christelle Aurélie Maud ; Riemann, Michael ; Cosme, Marco ; Mène-Saffrané, Laurent ; Massana, Josep ; Stout, Michael Joseph ; Lou, Yonggen ; Gershenzon, Jonathan ; Erb, Matthias

In: Plant Physiology, 2015, vol. 167, no. 3, p. 1100–1116

Induced defenses play a key role in plant resistance against leaf feeders. However, very little is known about the signals that are involved in defending plants against root feeders and how they are influenced by abiotic factors. We investigated these aspects for the interaction between rice (Oryza sativa) and two root-feeding insects: the generalist cucumber beetle (Diabrotica balteata) and the...

Université de Neuchâtel

Signal signature of aboveground-induced resistance upon belowground herbivory in maize

Erb, Matthias ; Flors, Victor ; Karlen, Danielle ; de Lange, Elvira S. ; Planchamp, Chantal ; D’Alessandro, Marco ; Turlings, Ted C. J. ; Ton, Jurriaan

In: The Plant Journal, 2009, vol. 59, no. 2, p. 292-302

Plants activate local and systemic defence mechanisms upon exposure to stress. This innate immune response is partially regulated by plant hormones, and involves the accumulation of defensive metabolites. Although local defence reactions to herbivores are well studied, less is known about the impact of root herbivory on shoot defence. Here, we examined the effects of belowground infestation by...

Université de Neuchâtel

The role of abscisic acid and water stress in root herbivore-induced leaf resistance

Erb, Matthias ; Köllner, Tobias G. ; Degenhardt, Jörg ; Zwahlen, Claudia ; Hibbard, Bruce E. ; Turlings, Ted C. J.

In: New Phytologist, 2011, vol. 189, no. 1, p. 308-320

Herbivore-induced systemic resistance occurs in many plants and is commonly assumed to be adaptive. The mechanisms triggered by leaf-herbivores that lead to systemic resistance are largely understood, but it remains unknown how and why root herbivory also increases resistance in leaves. To resolve this, we investigated the mechanism by which the root herbivore Diabrotica...

Université de Neuchâtel

Sequence of arrival determines plant-mediated interactions between herbivores

Erb, Matthias ; Robert, Christelle Aurélie Maud ; Hibbard, Bruce E. ; Turlings, Ted C. J.

In: Journal of Ecology, 2011, vol. 99, no. 1, p. 7-15

1. Induced changes in plant quality can mediate indirect interactions between herbivores. Although the sequence of attack by different herbivores has been shown to influence plant responses, little is known about how this affects the herbivores themselves. 2. We therefore investigated how induction by the leaf herbivore Spodoptera frugiperda influences resistance of teosinte...

Université de Neuchâtel

Synergies and trade-offs between insect and pathogen resistance in maize leaves and roots

Erb, Matthias ; Balmer, Yves ; de Lange, Elvira S. ; von Merey, Georg ; Planchamp, Chantal ; Robert, Christelle Aurélie Maud ; Röder, Gregory ; Sobhy, Islam ; Zwahlen, Claudia ; Mauch-Mani, Brigitte ; Turlings, Ted C. J.

In: Plant, Cell & Environment, 2011, vol. 34, no. 7, p. 1088-1103

Determining links between plant defence strategies is important to understand plant evolution and to optimize crop breeding strategies. Although several examples of synergies and trade-offs between defence traits are known for plants that are under attack by multiple organisms, few studies have attempted to measure correlations of defensive strategies using specific single attackers. Such links...