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Spatial Mapping of Mobile Genetic Elements and their Cognate Hosts in Complex Microbiomes
Benjamin Grodner1, Hao Shi1, Owen Farchione1
1Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, USA.
Biorxiv : the Preprint Server for Biology
|June 19, 2023
Summary
Researchers developed a new imaging technique to map mobile genetic elements (MGEs) and their bacterial hosts in the human microbiome. This method reveals MGEs cluster in specific niches, potentially driving antimicrobial resistance spread.
Area of Science:
- Microbiology
- Genetics
- Bioinformatics
Background:
- Mobile genetic elements (MGEs) drive the spread of traits like antimicrobial resistance in bacterial communities.
- Understanding MGE spatial distribution and host association is crucial but challenging.
- Existing tools lack the resolution to map MGEs within complex microbial environments.
Conclusions:
- The developed imaging approach enables detailed spatial analysis of MGEs in microbial communities.
- MGEs, including AMR plasmids and phages, form distinct spatial clusters in biofilms.
- These findings suggest specialized niches facilitate MGE maintenance and horizontal gene transfer, impacting antimicrobial resistance dynamics.
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