Transcriptional analysis of Arabidopsis thaliana response to lima bean volatiles.

PloS One
Sufang ZhangL E Kang

Abstract

Exposure of plants to herbivore-induced plant volatiles (HIPVs) alters their resistance to herbivores. However, the whole-genome transcriptional responses of treated plants remain unknown, and the signal pathways that produce HIPVs are also unclear. Time course patterns of the gene expression of Arabidopsis thaliana exposed to Lima bean volatiles were examined using Affymetrix ATH1 genome arrays. Results showed that A. thaliana received and responded to leafminer-induced volatiles from Lima beans through up-regulation of genes related to the ethylene (ET) and jasmonic acid pathways. Time course analysis revealed strong and partly qualitative differences in the responses between exposure at 24 and that at 48 h. Further experiments using either A. thaliana ET mutant ein2-1 or A. thaliana jasmonic acid mutant coi1-2 indicated that both pathways are involved in the volatile response process but that the ET pathway is indispensable for detecting volatiles. Moreover, transcriptional comparisons showed that plant responses to larval feeding do not merely magnify the volatile response process. Finally, (Z)-3-hexen-ol, ocimene, (3E)-4,8-dimethyl-1,3,7-nonatriene, and (3E,7E)-4,8,12-trimethyl-1,3,7,11-tridecatetraene triggered responses ...Continue Reading

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Citations

Feb 3, 2015·The Plant Journal : for Cell and Molecular Biology·Jonas RoosChristina Dixelius
Jul 28, 2013·Plant Signaling & Behavior·Zhang SufangKang Le
Apr 11, 2019·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Jin GeLe Kang

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Methods Mentioned

BETA
chip
PCR

Software Mentioned

SAM
TreeView
Cluster
Affymetrix
Significance Analysis of Microarrays
GEO
EasyGO

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