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Updated: Jun 10, 2026
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An Experimental and Bioinformatics Protocol for RNA-seq Analyses of Photoperiodic Diapause in the Asian Tiger Mosquito, Aedes albopictus
Published on: November 30, 2014
Energetics of insect diapause
Daniel A Hahn1, David L Denlinger
1Department of Entomology and Nematology, University of Florida, Gainesville, Florida 32611, USA. dahahn@ufl.edu
Annual Review of Entomology
|August 10, 2010
Summary
Insects manage metabolic resources during diapause by conserving energy and sensing reserves to regulate entry and duration. Climate change poses risks to overwintering insects, highlighting the need to understand nutrient regulation mechanisms.
Area of Science:
- Insect physiology
- Metabolic regulation
- Diapause biology
Background:
- Insects require efficient metabolic management during diapause due to limited food availability.
- Accumulating reserves and metabolic depression are key strategies for survival and postdiapause development.
- Overwintering insects face increased vulnerability from climate change-induced temperature fluctuations.
Purpose of the Study:
- To explore the dynamic process of nutrient utilization and energy reserve sensing in insects during diapause.
- To identify molecular mechanisms governing nutrient regulation during insect diapause.
- To assess the impact of environmental changes on insect diapause energetics.
Main Methods:
- Review of existing literature on insect diapause and metabolic control.
- Analysis of potential molecular pathways involved in nutrient sensing and utilization.
- Discussion of candidate genes and signaling pathways (e.g., insulin signaling, adipokinetic hormone, AMPK).
Main Results:
- Insects actively sense and utilize energy reserves to modulate diapause entry and duration.
- Insulin signaling is a probable key regulator of nutrient management during diapause.
- Other signaling pathways, including adipokinetic hormone, neuropeptide F, cGMP-kinase, and AMPK, are potential contributors.
Conclusions:
- Understanding nutrient utilization during diapause is crucial for insect survival, especially under changing environmental conditions.
- Molecular mechanisms underlying diapause nutrient regulation require further investigation.
- Identifying these mechanisms can inform conservation strategies for vulnerable insect populations.
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