Comparative transcriptome analysis of Arabidopsis thaliana infested by diamond back moth (Plutella xylostella) larvae reveals signatures of stress response, secondary metabolism, and signalling.

BMC Genomics
Jürgen EhltingJörg Bohlmann

Abstract

Plants are exposed to attack from a large variety of herbivores. Feeding insects can induce substantial changes of the host plant transcriptome. Arabidopsis thaliana has been established as a relevant system for the discovery of genes associated with response to herbivory, including genes for specialized (i.e. secondary) metabolism as well as genes involved in plant-insect defence signalling. Using a 70-mer oligonucleotide microarray covering 26,090 gene-specific elements, we monitored changes of the Arabidopsis leaf transcriptome in response to feeding by diamond back moth (DBM; Plutella xylostella) larvae. Analysis of samples from a time course of one hour to 24 hours following onset of DBM feeding revealed almost three thousand (2,881) array elements (including 2,671 genes with AGI annotations) that were differentially expressed (>2-fold; p[t-test] < 0.05) of which 1,686 also changed more than twofold in expression between at least two time points of the time course with p(ANOVA) < 0.05. While the majority of these transcripts were up-regulated within 8 h upon onset of insect feeding relative to untreated controls, cluster analysis identified several distinct temporal patterns of transcriptome changes. Many of the DBM-induce...Continue Reading

Associated Datasets

May 26, 2010·Gen-Ichiru ArimuraSunita G Chowrira

References

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Citations

Apr 12, 2012·Journal of Experimental Botany·Fanny RamelIvan Couée
May 7, 2011·Plant Physiology·Martin SchäferIan T Baldwin
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Jan 8, 2015·Journal of Experimental Botany·Ishita AhujaAtle Magnar Bones
Oct 24, 2019·BMC Plant Biology·Jill A NemacheckSubhashree Subramanyam

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Datasets Mentioned

BETA
GSE10681

Methods Mentioned

BETA
PCR

Software Mentioned

Genesis
Affymetrix
Venn
R
ImaGene
SAM
Bioconducter
Primer Express

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