Publications by authors named "Lucie Chauderon"
Conservation of symbiotic signaling since the most recent common ancestor of land plants.
Proc Natl Acad Sci U S A
January 2025
Plants have colonized lands 450 million years ago. This terrestrialization was facilitated by developmental and functional innovations. Recent evo-devo approaches have demonstrated that one of these innovations was the mutualistic arbuscular mycorrhizal symbiosis (AMS).
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- Signals play a crucial role in the arbuscular mycorrhizal (AM) symbiosis between fungi and plants, with root-exuded strigolactones recognized as key early cues, while the involvement of other phytohormones like ethylene and cytokinins is less explored.
- The study identified that an ethylene receptor, RiHHK6, in AM fungi can effectively sense ethylene signals and enhance spore germination in response to certain cytokinins, suggesting the fungi's adaptability to these hormonal cues.
- The contrasting behavior of a candidate cytokinin receptor, RiHHK7, indicates that the perception of cytokinins might involve different receptors, highlighting the diverse roles of phytoh