Comparative analysis of the transcriptional responses to low and high temperatures in three rice planthopper species

The brown planthopper (Nilaparvata lugens, BPH), white‐backed planthopper (Sogatella furcifera, WBPH) and small brown planthopper (Laodelphax striatellus, SBPH) are important rice pests in Asia. These three species differ in thermal tolerance and exhibit quite different migration and overwintering s...

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Bibliographic Details
Published in:Molecular ecology 2017-05, Vol.26 (10), p.2726-2737
Main Authors: Huang, Hai‐Jian, Xue, Jian, Zhuo, Ji‐Chong, Cheng, Ruo‐Lin, Xu, Hai‐Jun, Zhang, Chuan‐Xi
Format: Article
Language:English
Subjects:
Acclimatization - genetics
Animals
Asia
Chemoreceptors (internal)
Comparative analysis
Cytochromes P450
DGE comparison
Exoskeletons
Fatty acids
Fatty-acid synthase
Gene expression
Gene Expression Regulation
Genes
Genes, Insect
Heat shock proteins
Hemiptera - classification
Hemiptera - genetics
High temperature
Insects
Laodelphax striatellus
Lipids
Low temperature
Metabolism
Nilaparvata lugens
Oryza
Pest control
Pests
planthopper
Sogatella furcifera
Temperature
Temperature tolerance
transcriptome
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Summary:The brown planthopper (Nilaparvata lugens, BPH), white‐backed planthopper (Sogatella furcifera, WBPH) and small brown planthopper (Laodelphax striatellus, SBPH) are important rice pests in Asia. These three species differ in thermal tolerance and exhibit quite different migration and overwintering strategies. To understand the underlying mechanisms, we sequenced and compared the transcriptome of the three species under different temperature treatments. We found that metabolism‐, exoskeleton‐ and chemosensory‐related genes were modulated. In high temperature (37 °C), heat shock protein (HSP) genes were the most co‐regulated; other genes related with fatty acid metabolism, amino acid metabolism and transportation were also differentially expressed. In low temperature (5 °C), the differences in gene expression of the genes for fatty acid synthesis, transport proteins and cytochrome P450 might explain why SBPH can overwinter in high latitudes, while BPH and WBPH cannot. In addition, other genes related with moulting, and membrane lipid composition might also play roles in resistance to low and high temperatures. Our study illustrates the common responses and different tolerance mechanisms of three rice planthoppers in coping with temperature change, and provides a potential strategy for pest management.
ISSN:0962-1083
1365-294X
DOI:10.1111/mec.14067