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Physiological reprogramming during cold acclimation in the predatory mite Neoseiulus bicaudus.

Siqiong Tang1, Chen Fang1, Zhiping Cai2

  • 1College of Agriculture/Key Laboratory of Oasis Agricultural Pest Management and Plant Protection Resources Utilization, Xinjiang Uygur Autonomous Region, Shihezi University, Shihezi, 832003, Xinjiang, China.

Experimental & Applied Acarology
|October 20, 2025
PubMed
Summary
This summary is machine-generated.

Cold acclimation enhances the survival of the predatory mite Neoseiulus bicaudus against cold temperatures. This process involves significant physiological and metabolic adaptations, particularly after 7 days of acclimation, boosting cold tolerance.

Keywords:
AntioxidantsD-FructoseLipidLow temperatureMites

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Area of Science:

  • * Entomology and Acarology
  • * Environmental Physiology
  • * Metabolomics

Background:

  • * Neoseiulus bicaudus (predatory mite) is crucial for biological control of spider mites.
  • * Cold acclimation is vital for the survival and distribution of predatory mites in low-temperature environments.
  • * Understanding cold acclimation mechanisms is key to optimizing biological control strategies.

Purpose of the Study:

  • * To investigate the impact of varying cold acclimation durations on the cold tolerance of Neoseiulus bicaudus.
  • * To identify the physiological and metabolic adaptations induced by cold acclimation.
  • * To correlate these adaptations with enhanced survival under low-temperature stress.

Main Methods:

  • * Exposure of Neoseiulus bicaudus to different cold acclimation regimes (6h, 24h, 7 days).
  • * Assessment of cold tolerance and survival rates post-acclimation.
  • * Metabolomic analysis to profile changes in metabolites and identify physiological responses.

Main Results:

  • * Cold acclimation significantly improved the low-temperature survival of Neoseiulus bicaudus.
  • * Metabolomic analysis revealed significant shifts in sugar, amino acid, and lipid metabolism.
  • * Acclimation increased antioxidant enzyme activity and levels of key antioxidants (e.g., glutathione, retinol, zeaxanthin).

Conclusions:

  • * Cold acclimation induces comprehensive physiological and metabolic adaptations in Neoseiulus bicaudus.
  • * These adaptations, including metabolic reprogramming and antioxidant enhancement, are crucial for maintaining homeostasis under cold stress.
  • * The findings support the role of Neoseiulus bicaudus as a resilient biological control agent in variable climates.