Salicylic acid-induced resistance to viruses and other pathogens: a parting of the ways?

Resistance genes allow plants to recognize specific pathogens. Recognition results in the activation of a variety of defence responses, including localized programmed cell death (the hypersensitive response), synthesis of pathogenesis-related proteins and induction of systemic acquired resistance. T...

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Bibliographic Details
Published inTrends in Plant Science Vol. 4; no. 4; pp. 155 - 160
Main Authors Murphy, Alex M, Chivasa, Stephen, Singh, Davinder P, Carr, John P
Format Book Review Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 01.04.1999
Elsevier
Subjects
alternative oxidase
apoptosis
biochemical pathways
Biological and medical sciences
chemical reactions
disease resistance
enzyme activity
Fundamental and applied biological sciences. Psychology
genes
genetic regulation
genetic resistance
literature reviews
mitochondrial alternative oxidase
Nicotiana
oxidoreductases
pathogenesis-related proteins
Pathology. Damages, economic importance
Phytopathology. Animal pests. Plant and forest protection
plant defence
plant viruses
Plant viruses and viroids
protein synthesis
signal transduction
signals
systemic acquired resistance
virus movement
virus replication
systemic acquired resistance
plant defence
signal transduction
virus movement
virus replication
Plant biology
Cell biology
Biochemistry
alternative oxidase
Salicylic acid
Signal transduction
Mitochondria
Microorganism resistance
Vegetals
Gene
Defense mechanism
Cyanide resistant respiration
Review
Induced resistance
Host virus relation
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Summary:Resistance genes allow plants to recognize specific pathogens. Recognition results in the activation of a variety of defence responses, including localized programmed cell death (the hypersensitive response), synthesis of pathogenesis-related proteins and induction of systemic acquired resistance. These responses are co-ordinated by a branching signal transduction pathway. In tobacco, one branch activates virus resistance, and might require the mitochondrial alternative oxidase to operate. Here we discuss the evidence for this virus-specific branch of the transduction pathway and assess what must be done to further understand virus resistance and the role of the alternative oxidase in its induction.
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ISSN:1360-1385
1878-4372
DOI:10.1016/S1360-1385(99)01390-4