Defence on demand: mechanisms behind optimal defence patterns | Zendy

Stefan Meldau | Zendy; Matthias Erb | Zendy; Ian T. Baldwin | Zendy

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Defence on demand: mechanisms behind optimal defence patterns

Author(s) -

Stefan Meldau,

Matthias Erb,

Ian T. Baldwin

Publication year - 2012

Publication title -

annals of botany

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.567

H-Index - 176

eISSN - 1095-8290

pISSN - 0305-7364

DOI - 10.1093/aob/mcs212

Subject(s) - biology , herbivore , jasmonic acid , plant defense against herbivory , defence mechanisms , auxin , ecology , genetics , salicylic acid , gene

The optimal defence hypothesis (ODH) predicts that tissues that contribute most to a plant's fitness and have the highest probability of being attacked will be the parts best defended against biotic threats, including herbivores. In general, young sink tissues and reproductive structures show stronger induced defence responses after attack from pathogens and herbivores and contain higher basal levels of specialized defensive metabolites than other plant parts. However, the underlying physiological mechanisms responsible for these developmentally regulated defence patterns remain unknown.

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