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Local and systemic transcriptional responses to crosstalk between above- and belowground herbivores in Arabidopsis thaliana.


ABSTRACT: Plants are often simultaneously infested by several herbivores at the shoots and roots. Recent results revealed that the model plant Arabidopsis thaliana shows highly challenge-specific local and systemic responses to individual and simultaneous attacks of shoot-infesting aphids and root-infesting nematodes at the metabolome level. (1) Here, we present the corresponding transcriptional changes in plants treated with Brevicoryne brassicae aphids and Heterodera schachtii nematodes individually and in combination. Overall, shoots were much less responsive than roots. Gene expression in shoots and roots was mainly altered by aphids. Nematode infestation alone had only little effect, but nematodes modified the transcript accumulation response to aphids particularly in the roots. The responding genes are involved in plant defense cascades, signaling, oxidation-reduction processes, as well as primary and secondary metabolism and degradation. These changes in transcription may become relevant for the herbivores when they are translated into changes in host plant quality.

SUBMITTER: Kutyniok M 

PROVIDER: S-EPMC4623459 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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Local and systemic transcriptional responses to crosstalk between above- and belowground herbivores in Arabidopsis thaliana.

Kutyniok Magdalene M   Viehhauser Andrea A   Vogel Marc Oliver MO   Dietz Karl-Josef KJ   Müller Caroline C  

Plant signaling & behavior 20140101 11


Plants are often simultaneously infested by several herbivores at the shoots and roots. Recent results revealed that the model plant Arabidopsis thaliana shows highly challenge-specific local and systemic responses to individual and simultaneous attacks of shoot-infesting aphids and root-infesting nematodes at the metabolome level. (1) Here, we present the corresponding transcriptional changes in plants treated with Brevicoryne brassicae aphids and Heterodera schachtii nematodes individually and  ...[more]

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