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The diversity of the antimicrobial resistome of lake Tanganyika increases with the water depth
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Sabatino, Raffaella, Sbaffi, Tomasa, Corno, Gianluca, Cabello-Yeves, Pedro J. and Di Cesare, Andrea (2024) The diversity of the antimicrobial resistome of lake Tanganyika increases with the water depth. Environmental pollution, 342 . 123065. doi:10.1016/j.envpol.2023.123065 ISSN 1873-6424.
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Official URL: https://doi.org/10.1016/j.envpol.2023.123065
Abstract
The presence of antimicrobial resistance genes (ARGs) in the microbiome of freshwater communities is a consequence of thousands of years of evolution but also of the pressure exerted by anthropogenic activities, with potential negative impact on environmental and human health. In this study, we investigated the distribution of ARGs in Lake Tanganyika (LT)'s water column to define the resistome of this ancient lake. Additionally, we compared the resistome of LT with that of Lake Baikal (LB), the oldest known lake with different environmental characteristics and a lower anthropogenic pollution than LT. We found that richness and abundance of several antimicrobial resistance classes were higher in the deep water layers in both lakes. LT Kigoma region, known for its higher anthropogenic pollution, showed a greater richness and number of ARG positive MAGs compared to Mahale. Our results provide a comprehensive understanding of the antimicrobial resistome of LT and underscore its importance as reservoir of antimicrobial resistance. In particular, the deepest water layers of LT are the main repository of diverse ARGs, mirroring what was observed in LB and in other aquatic ecosystems. These findings suggest that the deep waters might play a crucial role in the preservation of ARGs in aquatic ecosystems.
Item Type: | Journal Article | ||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) | ||||||||
SWORD Depositor: | Library Publications Router | ||||||||
Journal or Publication Title: | Environmental pollution | ||||||||
Publisher: | Elsevier | ||||||||
ISSN: | 1873-6424 | ||||||||
Official Date: | 1 February 2024 | ||||||||
Dates: |
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Volume: | 342 | ||||||||
Article Number: | 123065 | ||||||||
DOI: | 10.1016/j.envpol.2023.123065 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access |
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