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Metabolic adaptations in a range-expanding arthropod

(2016) ECOLOGY AND EVOLUTION. 6(18). p.6556-6564
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Abstract
Despite an increasing number of studies documenting life-history evolution during range expansions or shifts, we lack a mechanistic understanding of the underlying physiological processes. In this explorative study, we used a metabolomics approach to study physiological changes associated with the recent range expansion of the two-spotted spider mite (Tetranychus urticae). Mite populations were sampled along a latitudinal gradient from range core to edge and reared under benign common garden conditions for two generations. Using Gas Chromatography-Mass Spectrometry (GC-MS), we obtained metabolic population profiles, which showed a gradual differentiation along the latitudinal gradient, indicating (epi)genetic changes in the metabolome in association with range expansion. These changes seemed not related with shifts in the mites’ energetic metabolism, but rather with differential use of amino acids. Particularly, more dispersive northern populations showed lowered concentrations of several essential and non-essential amino acids, suggesting a potential downregulation of metabolic pathways associated with protein synthesis.
Keywords
GC-MS metabolomics, LYRATA SSP PETRAEA, life-history evolution, essential amino acids, common garden, Tetranychus urticae, global change, ENVIRONMENTAL METABOLOMICS, POPULATION-GENETICS, AMINO-ACIDS, SPIDER-MITE, TRADE-OFFS, TETRANYCHIDAE, PHENOTYPES, METABOANALYST, ACARI

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Chicago
Van Petegem, Katrien, David Renault, Robby Stoks, and Dries Bonte. 2016. “Metabolic Adaptations in a Range-expanding Arthropod.” Ecology and Evolution 6 (18): 6556–6564.
APA
Van Petegem, Katrien, Renault, D., Stoks, R., & Bonte, D. (2016). Metabolic adaptations in a range-expanding arthropod. ECOLOGY AND EVOLUTION, 6(18), 6556–6564.
Vancouver
1.
Van Petegem K, Renault D, Stoks R, Bonte D. Metabolic adaptations in a range-expanding arthropod. ECOLOGY AND EVOLUTION. 2016;6(18):6556–64.
MLA
Van Petegem, Katrien, David Renault, Robby Stoks, et al. “Metabolic Adaptations in a Range-expanding Arthropod.” ECOLOGY AND EVOLUTION 6.18 (2016): 6556–6564. Print.
@article{8136420,
  abstract     = {Despite an increasing number of studies documenting life-history evolution during range expansions or shifts, we lack a mechanistic understanding of the underlying physiological processes. In this explorative study, we used a metabolomics approach to study physiological changes associated with the recent range expansion of the two-spotted spider mite (Tetranychus urticae). Mite populations were sampled along a latitudinal gradient from range core to edge and reared under benign common garden conditions for two generations. Using Gas Chromatography-Mass Spectrometry (GC-MS), we obtained metabolic population profiles, which showed a gradual differentiation along the latitudinal gradient, indicating (epi)genetic changes in the metabolome in association with range expansion. These changes seemed not related with shifts in the mites{\textquoteright} energetic metabolism, but rather with differential use of amino acids. Particularly, more dispersive northern populations showed lowered concentrations of several essential and non-essential amino acids, suggesting a potential downregulation of metabolic pathways associated with protein synthesis.},
  author       = {Van Petegem, Katrien and Renault, David and Stoks, Robby and Bonte, Dries},
  issn         = {2045-7758},
  journal      = {ECOLOGY AND EVOLUTION},
  keyword      = {GC-MS metabolomics,LYRATA SSP PETRAEA,life-history evolution,essential amino acids,common garden,Tetranychus urticae,global change,ENVIRONMENTAL METABOLOMICS,POPULATION-GENETICS,AMINO-ACIDS,SPIDER-MITE,TRADE-OFFS,TETRANYCHIDAE,PHENOTYPES,METABOANALYST,ACARI},
  language     = {eng},
  number       = {18},
  pages        = {6556--6564},
  title        = {Metabolic adaptations in a range-expanding arthropod},
  url          = {http://dx.doi.org/10.1002/ece3.2350},
  volume       = {6},
  year         = {2016},
}

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