GARCION, Christophe; LAMOTTE, Olivier; CACAS, Jean-Luc; MÉTRAUX, Jean-Pierre

doi:10.1002/9781118371848.ch6

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GARCION, Christophe
Biologie du fruit et pathologie [BFP]

LAMOTTE, Olivier
Agroécologie [Dijon]

CACAS, Jean-Luc
Agroécologie [Dijon]

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Induced Resistance for Plant Defense, Induced Resistance for Plant Defense. 2014p. 352 p.

John Wiley & Sons, Ltd

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Plant defences comprise both pre-existing barriers as well as defences induced upon perception of pathogen-associated molecular patterns (PAMPs) or microbe-associated molecular patterns (MAMPs) or molecules produced from damage as a result of infection (damage-associated molecular patterns (DAMPs)). This chapter focuses on the induced mechanisms of defence. The inducibility of phytoalexin biosynthesis has probably been favoured in the course of evolution by biological constraints such as metabolic costs and functional side-effects associated with chemical defence. Historically, the term ‘hypersensitive’ refers to the rapid and localized cell death induced in specific cereal cultivars by the fungal pathogen Puccinia graminis. The expression ‘hypersensitive response’ (HR) was coined later on when it appeared that this form of plant cell death was generally associated with resistance to many pathogens. Infection by pathogens is accompanied by the local and systemic induction of plant encoded proteins referred to as pathogenesis-related (PR) proteins.< Leer menos

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damage-associated molecular patterns (DAMPs)

hypersensitive response (HR)

microbe-associated molecular patterns (MAMPs)

pathogen-associated molecular patterns (PAMPs)

pathogenesis-related (PR) proteins

plant defences

phytoalexin biosynthesis

pathogens

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Mechanisms of Defence to Pathogens : Biochemistry and Physiology

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