title: Pretreatment with salicylic acid primes parsley cells for enhanced ion transport following elicitation.
abstract: Pretreatment with salicylic acid (SA), an inducer of plant disease resistance, enhanced the capacity of parsley cells for the induction of a rapid K(+)/pH response and the subsequent coumarin (phytoalexin) secretion. In SA-primed cells, a low elicitor dose induced these two responses to a similar extent as did a high elicitor dose in non-primed cells. These observations suggest that the SA-mediated augmentation of the early K(+)/pH response may contribute to the enhancement of subsequent coumarin secretion. As the amphotericin B-induced K(+)/pH response was not enhanced in SA-primed cells, it is concluded that signaling components that are improved by priming are located between elicitor signal perception and the plasma membrane transporters mediating the K(+)/pH response.
authors.affiliation: University of Kaiserslautern, Department of Biology, P.O. Box 3049, D-67653 Kaiserslautern, Germany.
authors.forename: Vera
authors.initials: V
authors.lastname: Katz
authors.forename: Annette
authors.initials: A
authors.lastname: Fuchs
authors.forename: Uwe
authors.initials: U
authors.lastname: Conrath
mesh_terms: D000666:Amphotericin B / Q000494:pharmacology; D002478:Cells, Cultured; D004305:Dose-Response Relationship, Drug; D004357:Drug Synergism; D006863:Hydrogen-Ion Concentration; D017136:Ion Transport / Q000187:drug effects*; D009842:Oligopeptides / Q000494:pharmacology; D028528:Petroselinum / Q000166:cytology / Q000187:drug effects* / Q000378:metabolism; D011188:Potassium / Q000378:metabolism; D020156:Salicylic Acid / Q000494:pharmacology*; D013997:Time Factors
chemical_list: D009842:Oligopeptides; D000666:Amphotericin B; D020156:Salicylic Acid; D011188:Potassium