The Hypersensitive Response Facilitates Plant Infection by the Necrotrophic Pathogen Botrytis Cinerea
Eri M Govrin,Alex Levine +1 more
TLDR
It is shown that, although hypersensitive cell death is efficient against biotrophic pathogens, it does not protect plants against infection by the necrotrophic pathogens B. cinerea and S. sclerotiorum.About:
This article is published in Current Biology.The article was published on 2000-06-01 and is currently open access. It has received 1081 citations till now. The article focuses on the topics: Hypersensitive response & Botrytis cinerea.read more
Citations
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Journal ArticleDOI
Contrasting Mechanisms of Defense Against Biotrophic and Necrotrophic Pathogens
TL;DR: This review summarizes results from Arabidopsis-pathogen systems regarding the contributions of various defense responses to resistance to several biotrophic and necrotrophic pathogens.
Journal ArticleDOI
Reactive Oxygen Species Signaling in Response to Pathogens
TL;DR: The production of reactive oxygen species (ROS), via consumption of oxygen in a so-called oxidative burst, is one of the earliest cellular responses following successful pathogen recognition.
Journal ArticleDOI
Botrytis cinerea: the cause of grey mould disease
TL;DR: New evidence suggests that the pathogen triggers the host to induce programmed cell death as an attack strategy, which could offer new approaches for stable polygenic resistance in future.
Journal ArticleDOI
The endophytic fungus Piriformospora indica reprograms barley to salt-stress tolerance, disease resistance, and higher yield
Frank Waller,Beate Achatz,Beate Achatz,Helmut Baltruschat,József Fodor,Katja Becker,Marina Fischer,Tobias Heier,Ralph Hückelhoven,Christina Neumann,Diter von Wettstein,Philipp Franken,Karl-Heinz Kogel +12 more
TL;DR: The potential of Piriformospora indica to induce resistance to fungal diseases and tolerance to salt stress in the monocotyledonous plant barley is reported on.
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Programmed cell death, mitochondria and the plant hypersensitive response
TL;DR: Many of the cell-death regulators that have been characterized in humans, worms and flies are absent from the Arabidopsis genome, indicating that plants probably use other regulators to control this process.
References
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The oxidative burst in plant disease resistance
TL;DR: Emerging data indicate that the oxidative burst reflects activation of a membrane-bound NADPH oxidase closely resembling that operating in activated neutrophils, which underlies the expression of disease-resistance mechanisms.
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H2O2 from the oxidative burst orchestrates the plant hypersensitive disease resistance response
TL;DR: It is reported here that H2O2 from this oxidative burst not only drives the cross-linking of cell wall structural proteins, but also functions as a local trigger of programmed death in challenged cells and as a diffusible signal for the induction in adjacent cells of genes encoding cellular protectants.
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Oxidative burst: an early plant response to pathogen infection
TL;DR: The chemistry of ROS (superoxide radical, hydrogen peroxide and hydroxyl radical) is described and the role of ROS in defence responses is demonstrated, and some important issues are considered, such as: which of the ROS is a major building element of the oxidative burst.
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Reactive oxygen intermediates mediate a systemic signal network in the establishment of plant immunity.
María Elena Alvarez,Roger I. Pennell,Per-Johan Meijer,Atsushi Ishikawa,Richard A. Dixon,Christopher J. Lamb +5 more
TL;DR: It is shown that inoculation of Arabidopsis leaves with avirulent Pseudomonas syringae induces secondary oxidative bursts in discrete cells in distant tissues, leading to low-frequency systemic micro-HRs.
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Programmed Cell Death in Plants.
TL;DR: Some of the fundamental characteristics of plant PCD are described and points that may lead to a better understanding and novel strategies for plant molecular breeding are raised.