Longitudinal monitoring of sewershed resistomes in socioeconomically diverse urban neighborhoods

Abstract Background Understanding factors associated with antimicrobial resistance (AMR) distribution across populations is a necessary step in planning mitigation measures. While associations between AMR and socioeconomic-status (SES), including employment and education have been increasingly recog...

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Main Authors: Jangwoo Lee, Kevin Xiang, Emily Au, Shahrzad Sarabi, Nicole Acosta, Srijak Bhatnagar, Jennifer Van Doorn, Stefania Bertazzon, John M. Conly, Elissa Rennert-May, Johann D. D. Pitout, Bonita E. Lee, Xiaoli Pang, Christine O’Grady, Kevin Frankowski, Casey R. J. Hubert, Michael D. Parkins
Format: Article
Language:English
Published: Nature Portfolio 2025-01-01
Series:Communications Medicine
Online Access:https://doi.org/10.1038/s43856-024-00729-y
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author Jangwoo Lee
Kevin Xiang
Emily Au
Shahrzad Sarabi
Nicole Acosta
Srijak Bhatnagar
Jennifer Van Doorn
Stefania Bertazzon
John M. Conly
Elissa Rennert-May
Johann D. D. Pitout
Bonita E. Lee
Xiaoli Pang
Christine O’Grady
Kevin Frankowski
Casey R. J. Hubert
Michael D. Parkins
author_facet Jangwoo Lee
Kevin Xiang
Emily Au
Shahrzad Sarabi
Nicole Acosta
Srijak Bhatnagar
Jennifer Van Doorn
Stefania Bertazzon
John M. Conly
Elissa Rennert-May
Johann D. D. Pitout
Bonita E. Lee
Xiaoli Pang
Christine O’Grady
Kevin Frankowski
Casey R. J. Hubert
Michael D. Parkins
author_sort Jangwoo Lee
collection DOAJ
description Abstract Background Understanding factors associated with antimicrobial resistance (AMR) distribution across populations is a necessary step in planning mitigation measures. While associations between AMR and socioeconomic-status (SES), including employment and education have been increasingly recognized in low- and middle-income settings, connections are less clear in high-income countries where SES remains an important influence on other health outcomes. Methods We explored the relationship between SES and AMR in Calgary, Canada using spatially-resolved wastewater-based surveillance of resistomes detected by metagenomics across eight socio-economically diverse urban neighborhoods. Resistomes were established by shotgun-sequencing of wastewater pellets, and qPCR of targeted-AMR genes. SES status was established using 2021 Canadian census data. Conducting this comparison during the height of COVID-related international travel restrictions (Dec. 2020–Oct. 2021) allowed the hypotheses linking SES and AMR to be assessed with limited confounding. These were compared with sewage metagenomes from 244 cities around the world, linked with Human Development Index (HDI). Results Wastewater metagenomes from Calgary’s socioeconomically diverse neighborhoods exhibit highly similar resistomes, with no quantitative differences (p > 0.05), low Bray-Curtis dissimilarity, and no significant correlations with SES. By comparison, dissimilarity is observed between globally-sourced resistomes (p < 0.05), underscoring the homogeneity of resistomes in Calgary’s sub-populations. The analysis of globally-sourced resistomes alongside Calgary’s resistome further reveals lower AMR burden in Calgary relative to other cities around the world. This is particularly pronounced for the most clinically-relevant AMR genes (e.g., beta-lactamases, macrolide-lincosamide-streptogramin). Conclusions This work showcases the effectiveness of inclusive and comprehensive wastewater-based surveillance for exploring the interplay between SES and AMR.
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spelling doaj-art-4d515c911e434dc49eb21a6ff833a7172025-01-12T12:37:14ZengNature PortfolioCommunications Medicine2730-664X2025-01-015111310.1038/s43856-024-00729-yLongitudinal monitoring of sewershed resistomes in socioeconomically diverse urban neighborhoodsJangwoo Lee0Kevin Xiang1Emily Au2Shahrzad Sarabi3Nicole Acosta4Srijak Bhatnagar5Jennifer Van Doorn6Stefania Bertazzon7John M. Conly8Elissa Rennert-May9Johann D. D. Pitout10Bonita E. Lee11Xiaoli Pang12Christine O’Grady13Kevin Frankowski14Casey R. J. Hubert15Michael D. Parkins16Department of Microbiology, Immunology and Infectious Diseases, University of CalgaryDepartment of Microbiology, Immunology and Infectious Diseases, University of CalgaryDepartment of Microbiology, Immunology and Infectious Diseases, University of CalgaryDepartment of Geography, University of CalgaryDepartment of Microbiology, Immunology and Infectious Diseases, University of CalgaryDepartment of Biological Sciences, University of CalgaryDepartment of Biological Sciences, University of CalgaryDepartment of Geography, University of CalgaryDepartment of Microbiology, Immunology and Infectious Diseases, University of CalgaryDepartment of Microbiology, Immunology and Infectious Diseases, University of CalgaryDepartment of Microbiology, Immunology and Infectious Diseases, University of CalgaryDepartment of Pediatrics, University of AlbertaDepartment of Laboratory Medicine and Pathology, University of AlbertaAdvancing Canadian Water Assets, University of CalgaryAdvancing Canadian Water Assets, University of CalgaryDepartment of Biological Sciences, University of CalgaryDepartment of Microbiology, Immunology and Infectious Diseases, University of CalgaryAbstract Background Understanding factors associated with antimicrobial resistance (AMR) distribution across populations is a necessary step in planning mitigation measures. While associations between AMR and socioeconomic-status (SES), including employment and education have been increasingly recognized in low- and middle-income settings, connections are less clear in high-income countries where SES remains an important influence on other health outcomes. Methods We explored the relationship between SES and AMR in Calgary, Canada using spatially-resolved wastewater-based surveillance of resistomes detected by metagenomics across eight socio-economically diverse urban neighborhoods. Resistomes were established by shotgun-sequencing of wastewater pellets, and qPCR of targeted-AMR genes. SES status was established using 2021 Canadian census data. Conducting this comparison during the height of COVID-related international travel restrictions (Dec. 2020–Oct. 2021) allowed the hypotheses linking SES and AMR to be assessed with limited confounding. These were compared with sewage metagenomes from 244 cities around the world, linked with Human Development Index (HDI). Results Wastewater metagenomes from Calgary’s socioeconomically diverse neighborhoods exhibit highly similar resistomes, with no quantitative differences (p > 0.05), low Bray-Curtis dissimilarity, and no significant correlations with SES. By comparison, dissimilarity is observed between globally-sourced resistomes (p < 0.05), underscoring the homogeneity of resistomes in Calgary’s sub-populations. The analysis of globally-sourced resistomes alongside Calgary’s resistome further reveals lower AMR burden in Calgary relative to other cities around the world. This is particularly pronounced for the most clinically-relevant AMR genes (e.g., beta-lactamases, macrolide-lincosamide-streptogramin). Conclusions This work showcases the effectiveness of inclusive and comprehensive wastewater-based surveillance for exploring the interplay between SES and AMR.https://doi.org/10.1038/s43856-024-00729-y
spellingShingle Jangwoo Lee
Kevin Xiang
Emily Au
Shahrzad Sarabi
Nicole Acosta
Srijak Bhatnagar
Jennifer Van Doorn
Stefania Bertazzon
John M. Conly
Elissa Rennert-May
Johann D. D. Pitout
Bonita E. Lee
Xiaoli Pang
Christine O’Grady
Kevin Frankowski
Casey R. J. Hubert
Michael D. Parkins
Longitudinal monitoring of sewershed resistomes in socioeconomically diverse urban neighborhoods
Communications Medicine
title Longitudinal monitoring of sewershed resistomes in socioeconomically diverse urban neighborhoods
title_full Longitudinal monitoring of sewershed resistomes in socioeconomically diverse urban neighborhoods
title_fullStr Longitudinal monitoring of sewershed resistomes in socioeconomically diverse urban neighborhoods
title_full_unstemmed Longitudinal monitoring of sewershed resistomes in socioeconomically diverse urban neighborhoods
title_short Longitudinal monitoring of sewershed resistomes in socioeconomically diverse urban neighborhoods
title_sort longitudinal monitoring of sewershed resistomes in socioeconomically diverse urban neighborhoods
url https://doi.org/10.1038/s43856-024-00729-y
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