Gene expression microarray analysis of heat stress in the soil invertebrate Folsomia candida.

B. Nota, N.M. van Straalen, B. Ylstra, D. Roelofs

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Sudden temperature changes in soil can induce stress in soil-dwelling invertebrates. Hyperthermic conditions have an impact on gene expression as one of the first steps. We use a transcriptomics approach using microarrays to identify expression changes in response to heat in the springtail Folsomia candida. An elevation of temperature (Δ 10 °C) altered the expression of 142 genes (116 up-, 26 down-regulated). Many up-regulated genes encoded heat shock proteins, enzymes involved in ATP synthesis, oxidative stress responsive enzymes and anion-transporting ATPases. Down-regulated were glycoside hydrolases, involved in catalysis of disaccharides. The small number of altered transcripts suggest a mild response to heat in this soil invertebrate, but further research is needed to confirm this. This study presents candidate genes for future functional studies concerning thermal stress in soil-dwelling invertebrates. © 2010 The Royal Entomological Society.
Original languageEnglish
Pages (from-to)315-322
JournalInsect molecular biology
Issue number3
Publication statusPublished - 2010

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