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Microbiota as Potential Functional Traits Facilitating Springtail Activity in Winter.

Cao Hao1,2,3, Bing Zhang4, Pingting Guan2

  • 1School of Geography and Remote Sensing Guangzhou University Guangzhou China.

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Summary
This summary is machine-generated.

The gut microbiota of springtails (Collembola) differs between winter-active and inactive species. Active springtails have higher bacterial diversity, potentially aiding their survival in cold environments.

Keywords:
comparative methodfunctional traitgut microbiomesoil microarthropodwinter biodiversity

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Area of Science:

  • Ecology
  • Microbiology
  • Evolutionary Biology

Background:

  • The role of microbiota in animal adaptation to extreme environments is crucial but understudied in arthropods.
  • Springtails (Collembola) are vital soil decomposers needing adaptations for winter survival.

Purpose of the Study:

  • To investigate the gut microbiota composition and diversity in 10 coexisting springtail species with varying overwintering strategies.
  • To explore the relationship between microbial communities, host metabolism, and adaptation to cold environments.

Main Methods:

  • Phylogenetic comparative approaches and niche trait concepts were used to analyze springtail microbiota.
  • Bacterial diversity, community composition, and host metabolic traits were compared between winter-active and inactive species.

Main Results:

  • Specific bacterial genera showed phylogenetic signal, indicating evolutionary host-microbe constraints.
  • Winter-active springtails displayed higher bacterial diversity and distinct microbial communities, including enriched taxa like Wolbachia.
  • Active species had higher energy metabolism, lower lipid metabolism, and more positive bacterial network interactions.

Conclusions:

  • Gut microbiota composition is linked to springtail overwintering strategies and metabolic adaptations.
  • Microbiota may functionally support the metabolic demands of winter-active springtails, aiding cold adaptation.
  • This study integrates microbial functional traits with host evolution for understanding arthropod resilience.