title: Plant- and stimulus-specific variations in remote-controlled sieve-tube occlusion.
abstract: Phloem injury triggers local sieve-plate occlusion including callose-mediated constriction and protein plugging of sieve pores. In intact plants, reversible sieve-plate occlusion is induced by electric potential waves (EPWs)-accompanied by Ca(2+)-influx-as result of distant burning. Here, we present additional results which pertain to (a) the variability of EPW-profiles in relation to forisome conformation in intact Vicia faba plants and (b) the differential occlusion reactions to burning and cutting in various plant species. A correlation between stimulus perception and mode of phloem loading is discussed.
authors.affiliation: Plant Cell Biology Research Group; Institute of General Botany; Justus-Liebig-University; Giessen Germany.
authors.forename: Alexandra Cu
authors.initials: AC
authors.lastname: Furch
authors.forename: Jens B
authors.initials: JB
authors.lastname: Hafke
authors.forename: Aart Je
authors.initials: AJ
authors.lastname: van Bel
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