Modulation of plant defense responses to herbivores by simultaneous recognition of different herbivore-associated elicitors in rice.

ABSTRACT: Induced plant defense responses against insect herbivores are triggered by wounding and/or perception of herbivore elicitors from their oral secretions (OS) and/or saliva. In this study, we analyzed OS isolated from two rice chewing herbivores, Mythimna loreyi and Parnara guttata. Both types of crude OS had substantial elicitor activity in rice cell system that allowed rapid detection of early and late defense responses, i.e. accumulation of reactive oxygen species (ROS) and defense secondary metabolites, respectively. While the OS from M. loreyi contained large amounts of previously reported insect elicitors, fatty acid-amino acid conjugates (FACs), the elicitor-active P. guttata's OS contained no detectable FACs. Subsequently, elicitor activity associated with the high molecular mass fra

SUBMITTER: Shinya T 

PROVIDER: S-EPMC5007475 | biostudies-literature | 2016 Sep

REPOSITORIES: biostudies-literature