Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Integration of transcriptomics and metabolomics reveals the responses of earthworms to the long-term exposure of TiO2 nanoparticles in soil

Ya Zhu, Xinyue Wu, Yaoxuan Liu, Jianying Zhang, Daohui Lin

The Science of The Total Environment · 2020

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Summary

This laboratory study integrated transcriptomics and metabolomics to characterise how earthworms respond to prolonged exposure to titanium dioxide nanoparticles in soil. The dual omics approach appears to have revealed molecular-level stress responses and metabolic perturbations in exposed organisms. The findings contribute to the limited evidence base on nanoparticle impacts on soil fauna, with implications for soil health assessment and potential agricultural risks.

UK applicability

As nanotechnology becomes more prevalent in agriculture and industrial applications, understanding nanoparticle impacts on soil organisms is relevant to UK soil health policy and contamination assessment frameworks. However, this laboratory study does not directly address field conditions or UK-specific soil types and earthworm species.

Key measures

Transcriptomic profiles (gene expression), metabolomic signatures, earthworm survival and physiological endpoints under long-term TiO2 nanoparticle soil exposure

Outcomes reported

The study characterised gene expression and metabolic changes in earthworms exposed chronically to TiO2 nanoparticles in soil using integrated omics approaches. It assessed biological responses at molecular level to inform understanding of nanoparticle impacts on soil organisms.

Theme
Farming systems, soils & land use
Subject
Soil biology & microbiology
Study type
Research
Study design
Laboratory experiment with integrated omics analysis
Source type
Peer-reviewed study
Status
Published
Geography
China
System type
Laboratory / in vitro
DOI
10.1016/j.scitotenv.2020.137492
Catalogue ID
SNmok1w4ah-n2fnjp

Topic tags

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