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A Novel Protistan Trait Database Reveals Functional Redundancy and Complementarity in Terrestrial Protists (Amoebozoa
Jule Freudenthal1,2, Martin Schlegel3,4, Michael Bonkowski1
1Terrestrial Ecology, Institute of Zoology, Cluster of Excellence on Plant Sciences (CEPLAS), University of Cologne, Köln, Germany.
Molecular Ecology Resources
|October 30, 2025
Summary
Understanding protist functional traits, like those of Amoebozoa, is key to ecosystem processes. This study created a trait database, revealing insights into Amoebozoa
Area of Science:
- Ecology
- Protistology
- Bioinformatics
Background:
- Traditional taxonomic surveys of protists overlook crucial functional traits.
- Functional traits are essential for understanding protist roles in ecosystem processes.
- Amoebozoa are a widespread and ecologically significant group of protists.
Purpose of the Study:
- To create a comprehensive database of functional traits for Amoebozoa.
- To compare the functional traits of Amoebozoa with Cercozoa (Rhizaria).
- To apply this database to environmental sequencing data for ecological insights.
Main Methods:
- Extensive literature research to compile functional traits for Amoebozoa across eight categories.
- Comparative analysis of Amoebozoa and Cercozoa community traits.
- Application of the database to metatranscriptomic data from soil, litter, and bark.
Main Results:
- A database of Amoebozoa functional traits (habitat, locomotion, nutrition, etc.) was established.
- Amoebozoa and Cercozoa showed convergent evolution in morphology/locomotion but differed in habitat and feeding.
- Amoebozoa are less selective feeders, with preferences linked to cell size, unlike Cercozoa.
- Metatranscriptomic data revealed distinct community trait compositions and ecosystem functions across environments.
Conclusions:
- The Amoebozoa functional trait database enhances ecological analyses of sequencing data.
- Functional traits provide deeper understanding of Amoebozoa adaptations and ecosystem roles.
- Differences in functional traits between Amoebozoa and Cercozoa highlight distinct ecological strategies.
Keywords:
ecological traitsfunctional trait analysisfunctional trait reference databasemicrobial ecologypredator–preysoilMore Related Videos
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