{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T13:17:39Z","timestamp":1780319859139,"version":"3.54.1"},"reference-count":86,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2024,10,30]],"date-time":"2024-10-30T00:00:00Z","timestamp":1730246400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Microbiol."],"abstract":"<jats:p>Contaminants, such as heavy metals (HMs), accumulate in the Arctic environment and the food web. The diet of the Indigenous Peoples of North Greenland includes locally sourced foods that are central to their nutritional, cultural, and societal health but these foods also contain high concentrations of heavy metals. While bacteria play an essential role in the metabolism of xenobiotics, there are limited studies on the impact of heavy metals on the human gut microbiome, and it is so far unknown if and how Arctic environmental contaminants impact the gut microbes of humans living in and off the Arctic environment. Using a multiomics approach including amplicon, metagenome, and metatranscriptome sequencing, we identified and assembled a near-complete (NC) genome of a mercury-resistant bacterial strain from the human gut microbiome, which expressed genes known to reduce mercury toxicity. At the overall ecological level studied through \u03b1- and \u03b2-diversity, there was no significant effect of heavy metals on the gut microbiota. Through the assembly of a high number of NC metagenome-assembled genomes (MAGs) of human gut microbes, we observed an almost complete overlap between heavy metal-resistant strains and antibiotic-resistant strains in which resistance genes were all located on the same genetic elements.<\/jats:p>","DOI":"10.3389\/fmicb.2024.1493803","type":"journal-article","created":{"date-parts":[[2024,10,30]],"date-time":"2024-10-30T04:44:14Z","timestamp":1730263454000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":3,"title":["Gut heavy metal and antibiotic resistome of humans living in the high Arctic"],"prefix":"10.3389","volume":"15","author":[{"given":"Aviaja Lyberth","family":"Hauptmann","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joachim","family":"Johansen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Frederik Filip","family":"St\u00e6ger","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dennis Sandris","family":"Nielsen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gert","family":"Mulvad","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kristian","family":"Hangh\u00f8j","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Simon","family":"Rasmussen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Torben","family":"Hansen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anders","family":"Albrechtsen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2024,10,30]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","first-page":"D517","DOI":"10.1093\/nar\/gkz935","article-title":"CARD 2020: antibiotic resistome surveillance with the comprehensive antibiotic resistance database","volume":"48","author":"Alcock","year":"2020","journal-title":"Nucleic Acids Res."},{"key":"ref2","first-page":"xii+859","volume-title":"AMAP assessment report: Arctic pollution issues.","year":"1998"},{"key":"ref3","first-page":"xiv+137","volume-title":"AMAP assessment 2002: human health in the Arctic","year":"2003"},{"key":"ref4","year":"2022"},{"key":"ref5","doi-asserted-by":"publisher","first-page":"1110","DOI":"10.1128\/msystems.00191-16","article-title":"Deblur rapidly resolves single-nucleotide community sequence patterns","author":"Amir","year":"2017","journal-title":"mSystems"},{"key":"ref6","doi-asserted-by":"publisher","first-page":"174","DOI":"10.1038\/nature09944","article-title":"Enterotypes of the human gut microbiome","volume":"473","author":"Arumugam","year":"2011","journal-title":"Nature"},{"key":"ref7","doi-asserted-by":"publisher","first-page":"176","DOI":"10.1016\/j.tim.2006.02.006","article-title":"Co-selection of antibiotic and metal resistance","volume":"14","author":"Baker-Austin","year":"2006","journal-title":"Trends Microbiol."},{"key":"ref8","doi-asserted-by":"publisher","first-page":"355","DOI":"10.1016\/S0168-6445(03)00046-9","article-title":"Bacterial mercury resistance from atoms to ecosystems","volume":"27","author":"Barkay","year":"2003","journal-title":"FEMS Microbiol. 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