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Liver Cold Storage and Transplantation in the Cold-Adaptive Daurian Ground Squirrels
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Plasticity and local adaptation explain lizard cold tolerance.

Daren C Card1, Drew R Schield1, Todd A Castoe1

  • 1Department of Biology, University of Texas at Arlington, Arlington, Texas.

Molecular Ecology
|May 9, 2018
PubMed
Summary
This summary is machine-generated.

Northern green anole lizards adapt to cooler climates through physiological plasticity and genetic changes. This cold tolerance helps species colonize new regions, driven by oxygen and capacity limitations.

Keywords:
local adaptationphysiologythermal tolerancetranscriptomics

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Area of Science:

  • Ecology
  • Evolutionary Biology
  • Physiology

Background:

  • Investigates climate variation's role in species range limits and colonization.
  • Examines cold tolerance adaptation in the green anole lizard (Anolis carolinensis) across a latitudinal gradient.

Discussion:

  • Cold tolerance in Anolis lizards aligns with the oxygen- and capacity-limited thermal tolerance hypothesis.
  • Northern populations show adaptation to cooler thermal regimes, influenced by both phenotypic plasticity and genetic variation.
  • Mechanisms include supply-side and demand-side adaptations improving oxygen economy.

Key Insights:

  • Species range expansion is facilitated by adaptation to new climatic niches.
  • Cold tolerance is achieved through a combination of physiological plasticity and local genetic adaptation.
  • Understanding these mechanisms is crucial for predicting species' responses to climate change.

Outlook:

  • Further research can explore other species and environmental stressors.
  • This study provides a framework for investigating climate adaptation in ectotherms.
  • Highlights the importance of integrating physiological and genetic data for a comprehensive understanding of adaptation.