François Pascaud

TL;DR: This work provides a genetic basis for investigating mechanisms of long-distance wound signalling in plants and indicates that plant genes related to those important for synaptic activity in animals function in organ-to-organ wound signalling.

TL;DR: A critical mechanism of ion-channel regulation where a Ca2+ sensor modulates K+ channel activity by promoting a kinase interaction-dependent but phosphorylation-independent translocation of the channel to the PM is described.

TL;DR: In silico analyses indicated that VvK1.1 is the grapevine counterpart of the Arabidopsis AKT1 channel, known to dominate the plasma membrane inward conductance to K(+) in root periphery cells, and to play a major role in K(+) uptake from the soil solution.

TL;DR: A K(+) channel from the Shaker family, VvK1.2, is identified in the grape berry, where it displays a very strong induction at veraison in flesh cells, phloem tissues and perivascular cells surrounding vascular bundles, and is likely to mediate rapid K(+, transport in the berry and to contribute to the extensive re-organization of the translocation pathways and transport mechanisms that occurs at Veraison.

TL;DR: Patch-clamp recordings of native inward channels in wild-type and mutant genotypes strongly suggested that preferential heteromerization occurs in planta and that Arabidopsis guard cell inward Shaker channels are mainly heteromers of KAT1 and KAT2 subunits.