{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,22]],"date-time":"2026-10-22T03:25:17Z","timestamp":1792639517733,"version":"4.5.0"},"reference-count":123,"publisher":"Oxford University Press (OUP)","issue":"12","license":[{"start":{"date-parts":[[2023,11,28]],"date-time":"2023-11-28T00:00:00Z","timestamp":1701129600000},"content-version":"vor","delay-in-days":15,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/100008762","name":"Genome Canada","doi-asserted-by":"publisher","award":["18207"],"award-info":[{"award-number":["18207"]}],"id":[{"id":"10.13039\/100008762","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100010787","name":"Genome Alberta","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100010787","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2023,11,13]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Naphthenic acids (NAs) are a complex mixture of organic compounds released during bitumen extraction from mined oil sands that are important contaminants of oil sands process-affected water (OSPW). NAs can be toxic to aquatic organisms and, therefore, are a main target compound for OSPW. The ability of microorganisms to degrade NAs can be exploited for bioremediation of OSPW using constructed wetland treatment systems (CWTS), which represent a possible low energy and low-cost option for scalable in situ NA removal. Recent advances in genomics and analytical chemistry have provided insights into a better understanding of the metabolic pathways and genes involved in NA degradation. Here, we discuss the ecology of microbial NA degradation with a focus on CWTS and summarize the current knowledge related to the metabolic pathways and genes used by microorganisms to degrade NAs. Evidence to date suggests that NAs are mostly degraded aerobically through ring cleavage via the beta-oxidation pathway, which can be combined with other steps such as aromatization, alpha-oxidation, omega-oxidation, or activation as coenzyme A (CoA) thioesters. Anaerobic NA degradation has also been reported via the production of benzoyl-CoA as an intermediate and\/or through the involvement of methanogens or nitrate, sulfate, and iron reducers. Furthermore, we discuss how genomic, statistical, and modeling tools can assist in the development of improved bioremediation practices.<\/jats:p>","DOI":"10.1093\/femsec\/fiad153","type":"journal-article","created":{"date-parts":[[2023,11,23]],"date-time":"2023-11-23T19:11:49Z","timestamp":1700766709000},"source":"Crossref","is-referenced-by-count":28,"title":["Microbial degradation of naphthenic acids using constructed wetland treatment systems: metabolic and genomic insights for improved bioremediation of process-affected water"],"prefix":"10.1093","volume":"99","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6940-0545","authenticated-orcid":false,"given":"Paula C J","family":"Reis","sequence":"first","affiliation":[{"name":"Centre Eau Terre Environnement, Institut national de la recherche scientifique , QC , Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9163-6730","authenticated-orcid":false,"given":"Sara","family":"Correa-Garcia","sequence":"additional","affiliation":[{"name":"Centre Armand Frappier Sant\u00e9 Biotechnologie, Institut national de la recherche scientifique , Qu\u00e9bec city, QC G1K 9A9 , Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Julien","family":"Tremblay","sequence":"additional","affiliation":[{"name":"Centre Armand Frappier Sant\u00e9 Biotechnologie, Institut national de la recherche scientifique , Qu\u00e9bec city, QC G1K 9A9 , Canada"},{"name":"Energy, Mining and Environment, National Research Council Canada , Montr\u00e9al, QC H4P 2R2 , Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aur\u00e9lie","family":"Beaulieu-Lalibert\u00e9","sequence":"additional","affiliation":[{"name":"Centre Eau Terre Environnement, Institut national de la recherche scientifique , QC , Canada"},{"name":"Groupe de recherche interuniversitaire en limnologie (GRIL), Universit\u00e9 de Montr\u00e9al, Montr\u00e9al , QC H3C 3J7 , Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Douglas G","family":"Muench","sequence":"additional","affiliation":[{"name":"Department of Biological Sciences, University of Calgary , Calgary, AB T2N 1N4 , Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jason M E","family":"Ahad","sequence":"additional","affiliation":[{"name":"Geological Survey of Canada, Natural Resources Canada , Qu\u00e9bec city, QC G1K 9A9 , Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7112-3425","authenticated-orcid":false,"given":"Etienne","family":"Yergeau","sequence":"additional","affiliation":[{"name":"Energy, Mining and Environment, National Research Council Canada , Montr\u00e9al, QC H4P 2R2 , 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