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Scientific Highlights 2013

Olives (JP Roger)

The complex history of the olive tree

The location and timing of domestication of the olive tree, a key crop in Early Mediterranean societies, remain hotly debated. Here, reseachers...
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Nodule

Experimental evolution of nodule intracellular infection in legume symbionts

Soil bacteria known as rhizobia are able to establish an endosymbiosis with legumes that takes place in neoformed nodules in which intracellularly...
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Mort cellulaire

Arabidopsis ubiquitin ligase MIEL1 mediates degradation of the transcription factor MYB30 weakening plant defence

One of the most efficient plant resistance reactions to pathogen attack is the hypersensitive response, a form of programmed cell death at infection...
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Feuille A.Thaliana

RSK1 : An atypical kinase under balancing selection confers broad-spectrum disease resistance in Arabidopsis

During the evolution of plant-pathogen interactions, plants have evolved the capability to defend themselves from pathogen infection by different...
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Logo COST

European COoperation in Science and Technology (COST) Action Food & Agriculture FA1106 – QualityFruit

How fleshy fruits grow, ripen and produce their sensory and nutritional characteristics that make them so popular with consumers? Are tomato and...
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Aphanomyces euteiches

Aphanomyces euteiches Cell Wall Fractions Containing Novel Glucan-Chitosaccharides Induce Defense Genes and Nuclear Calcium Oscillations in the Plant Host Medicago truncatula.

N-acetylglucosamine-based saccharides (chitosaccharides) are components of microbial cell walls and act as molecular signals during host-microbe...
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Oiseau

Timing and number of colonizations but not diversification rates affect diversity patterns in hemosporidian lineages on a remote oceanic archipelago

Parasite diversity on remote oceanic archipelagos is determined by the number and timing of colonizations, and in-situ diversification rate. In this...
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modéalisation protéine

Lipo-chitooligosaccharidic Symbiotic Signals Are Recognized by LysM Receptor-Like Kinase LYR3 in the Legume Medicago truncatula

While chitooligosaccharides (COs) derived from fungal chitin are potent elicitors of defense reactions, structurally related signals produced by...
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Chabot

Do stream fish track climate change ? Assessing distribution shifts in recent decades

Understanding the ability of species to shift their distribution ranges in response to climate change is crucial for conservation biologists and...
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Sunflower cover

Tournesol : un nouvel outil pour mesurer le manque d’eau

Plant or soil water status is required in many scientic elds to understand plant responses to drought. Because the transcr...
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