Genomewide transcriptional signatures of migratory flight activity in a globally invasive insect pest

Molecular Ecology
Christopher M JonesJason W Chapman

Abstract

Migration is a key life history strategy for many animals and requires a suite of behavioural, morphological and physiological adaptations which together form the 'migratory syndrome'. Genetic variation has been demonstrated for many traits that make up this syndrome, but the underlying genes involved remain elusive. Recent studies investigating migration-associated genes have focussed on sampling migratory and nonmigratory populations from different geographic locations but have seldom explored phenotypic variation in a migratory trait. Here, we use a novel combination of tethered flight and next-generation sequencing to determine transcriptomic differences associated with flight activity in a globally invasive moth pest, the cotton bollworm Helicoverpa armigera. By developing a state-of-the-art phenotyping platform, we show that field-collected H. armigera display continuous variation in flight performance with individuals capable of flying up to 40 km during a single night. Comparative transcriptomics of flight phenotypes drove a gene expression analysis to reveal a suite of expressed candidate genes which are clearly related to physiological adaptations required for long-distance flight. These include genes important to the...Continue Reading

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Citations

Feb 3, 2016·Frontiers in Behavioral Neuroscience·Kira E Delmore, Miriam Liedvogel
Oct 28, 2016·Molecular Ecology·C J AndersonT K Walsh
Oct 10, 2018·Annual Review of Entomology·Christopher M JonesJason W Chapman
Jun 22, 2018·Proceedings. Biological Sciences·Laura J DällenbachMyles H M Menz
Aug 5, 2017·Biological Reviews of the Cambridge Philosophical Society·Marjo SaastamoinenMaria Del Mar Delgado
Nov 14, 2019·Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology·Z R StahlschmidtN Meckfessel
Aug 24, 2019·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Juan A GalarzaJohanna Mappes
Apr 4, 2018·Proceedings of the National Academy of Sciences of the United States of America·Craig J AndersonTom K Walsh
Apr 12, 2019·Behavioral Ecology : Official Journal of the International Society for Behavioral Ecology·Tiffany C ArmentaRobert K Wayne
Feb 12, 2020·Movement Ecology·Steven GoossensDries Bonte
Aug 25, 2021·Insect Biochemistry and Molecular Biology·Gangqi FangShuai Zhan

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Methods Mentioned

BETA
genotyping
PCR
PCRs
PCA

Software Mentioned

Blast2GO
R Core Development Team
BLAST
GSNAP
DES eq2
DESeq2
REML
eXpress
ArrayExpress
Primer

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