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Titolo:
Syringolin reprograms wheat to undergo hypersensitive cell death in a compatible interaction with powdery mildew
Autore:
Waspi, U; Schweizer, P; Dudler, R;
Indirizzi:
Univ Zurich, Inst Plant Biol, CH-8008 Zurich, Switzerland Univ Zurich Zurich Switzerland CH-8008 Biol, CH-8008 Zurich, Switzerland
Titolo Testata:
PLANT CELL
fascicolo: 1, volume: 13, anno: 2001,
pagine: 153 - 161
SICI:
1040-4651(200101)13:1<153:SRWTUH>2.0.ZU;2-G
Fonte:
ISI
Lingua:
ENG
Soggetto:
SYSTEMIC ACQUIRED-RESISTANCE; TRITICUM-AESTIVUM L; F-SP HORDEI; PV SYRINGAE; PYRICULARIA-ORYZAE; PATHOGEN DEFENSE; EPIDERMAL-CELLS; WINTER-WHEAT; GENE; BARLEY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Life Sciences
Citazioni:
34
Recensione:
Indirizzi per estratti:
Indirizzo: Dudler, R Univ Zurich, Inst Plant Biol, Zollikerstr 107, CH-8008 Zurich, Switzerland Univ Zurich Zollikerstr 107 Zurich Switzerland CH-8008 tzerland
Citazione:
U. Waspi et al., "Syringolin reprograms wheat to undergo hypersensitive cell death in a compatible interaction with powdery mildew", PL CELL, 13(1), 2001, pp. 153-161

Abstract

We had previously isolated and characterized syringolin A, one of the molecular determinants secreted by Pseudomonas syringae pv syringae that is perceived by nonhost plant species such as rice. Here, we show that syringolinA is recognized by wheat and that it induces the accumulation of gene transcripts and increases protection against powdery mildew when applied beforeinoculation. Moreover, syringolin A essentially eradicates powdery mildew from infected wheat if applied after inoculation. This curative effect is accompanied by the induction of cell death and the reactivation of pathogenesis-related genes whose transcript levels initially accumulate after powdery mildew inoculation but then decline during the later course of infection. Because syringolin A has no fungicidal activity against a variety of fungiand its action on wheat cannot be mimicked by the fungicide cyprodinil, syringolin A is hypothesized to counteract the suppression of host defense reactions imposed by the pathogen on the colonized cells.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 09/04/20 alle ore 07:43:45