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Habitat-specific patterns of horizontal gene transfer revealed by metagenomics across aquatic and terrestrial ecosystems
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DOI：10.1016/j.hazadv.2026.101439.png)
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Abstract
En 中文
• Horizontal gene transfer (HGT) was analyzed from metagenomic data categorized into six environments. • HGT rates varied significantly by habitat, with aquatic systems exhibiting higher frequencies. • Freshwater HGT frequencies correlated positively with the upstream-to-downstream gradient. • HGT contigs carried antibiotic resistance genes at 3.6-fold higher abundance than non-HGT contigs.
Keywords:
Horizontal gene transfer
Metagenomics
Environmental microbiomes
Antibiotic resistance genes
Habitat specificity
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