Journal of Pesticide Science
Online ISSN : 1349-0923
Print ISSN : 1348-589X
ISSN-L : 0385-1559
Original Articles
Transcriptomic evaluation of the enhanced plant growth-inhibitory activity caused by derivatization of cis-cinnamic acid
Naoya WasanoMami SuganoKeisuke NishikawaKatsuhiro OkudaMitsuru ShindoSo-Young ParkSyuntaro HiradateTsunashi KamoYoshiharu Fujii
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Supplementary material

2014 Volume 39 Issue 2 Pages 85-90


To establish a rapid high-throughput evaluation system for the enhanced plant growth-inhibitory activity caused by modifications of cis-cinnamic acid’s (cis-CA’s) chemical structure, a DNA microarray assay was used to analyze the changes in early gene responses of Arabidopsis thaliana seedlings. After a 6-hr exposure to (Z)-3-(3-iodophenyl)acrylic acid, we observed an upregulation in three classes of early auxin-responsive genes, which was similar to the transcriptional response to indole-3-acetic acid (IAA), together with an upregulation of the genes related to environmental stress and toxin detoxification responses. Gene responses to 2-(3,4-dihydronaphthalen-1-yl)acetic acid were similar to those to IAA. In contrast, fewer genes were upregulated in response to its double-bond isomer, (Z)-2-[3,4-dihydronaphthalen-1(2H)-ylidene]acetic acid, than to cis-CA. DNA microarray data suggest that the structurally different cis-CA analogues trigger diverse gene responses.

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© 2014 Pesticide Science Society of Japan
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