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Transcriptome Profiling of the Potato Exposed to French Marigold Essential Oil with a Special Emphasis on Leaf Starch Metabolism and Defense against Colorado Potato Beetle

Authors: Sofija Stupar; Milan Dragićević; Vele Tešević; Jovana Stanković-Jeremić; Vuk Maksimović; Tatjana Ćosić; Nina Devrnja; +5 Authors

Transcriptome Profiling of the Potato Exposed to French Marigold Essential Oil with a Special Emphasis on Leaf Starch Metabolism and Defense against Colorado Potato Beetle

Abstract

2 compared to expression in controls. A slightly higher number of transcripts had suppressed expression (1493 down- vs. 1303 up-regulated). Since transcripts, annotated to different photosynthesis-related processes, were mostly down-regulated, we selected a set of 10 genes involved in the leaf starch metabolism pathway, and validated microarray patterns using quantitative reverse transcription polymerase chain reaction (RT-qPCR). Except for decreased synthesis and induced decomposition of starch granule in leaves, 8 h long EO exposure slightly elevated the accumulation of sucrose compared to glucose and fructose in subjected potato plants. An in vitro feeding bioassay with Colorado potato beetle showed that EO-induced alternations on transcriptional level and in the sugars&rsquo

Flower strips of French Marigold are commonly used pest repellents in potato fields. However, the effect of French Marigold volatiles on potato metabolism, physiology and induced defense is unknown. Thus, a microarray transcriptome analysis was performed to study the effects of French Marigold essential oil (EO) on laboratory-grown potato. After 8 h of exposure to EO, with gas chromatography/mass spectrometry (GC/MS)-detected terpinolene and limonene as dominant compounds, 2796 transcripts were differentially expressed with fold change >

metabolism caused the enhancement of feeding behavior and overall development of the tested larvae. Results of comprehensive analysis of transcriptional responses in potato exposed to French Marigold EO provide a basis for further elucidation of molecular mechanisms underlying eco-physiological interactions in companion planting cropping systems.

Country
Serbia
Related Organizations
Subjects by Vocabulary

Microsoft Academic Graph classification: Sucrose French marigold law.invention Transcriptome chemistry.chemical_compound law Bioassay Food science Essential oil biology Colorado potato beetle Fructose biology.organism_classification chemistry PEST analysis

Library of Congress Subject Headings: lcsh:Botany lcsh:QK1-989

Keywords

Plant Science, Microarray, Essential oil, Article, French Marigold, essential oil, Colorado potato beetle, Ecology, Evolution, Behavior and Systematics, Ecology, Botany, Starch metabolism, QK1-989, starch metabolism, potato, Potato, microarray

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This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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