{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,7]],"date-time":"2026-10-07T19:28:31Z","timestamp":1791401311920,"version":"4.3.3"},"reference-count":74,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2025,6,22]],"date-time":"2025-06-22T00:00:00Z","timestamp":1750550400000},"content-version":"am","delay-in-days":21,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"},{"start":{"date-parts":[[2025,6,22]],"date-time":"2025-06-22T00:00:00Z","timestamp":1750550400000},"content-version":"vor","delay-in-days":21,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000015","name":"U.S. Department of Energy","doi-asserted-by":"publisher","award":["DE\u2010SC0020246"],"award-info":[{"award-number":["DE\u2010SC0020246"]}],"id":[{"id":"10.13039\/100000015","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["enviromicro-journals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Environmental Microbiology"],"published-print":{"date-parts":[[2025,6]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>Pyrite, the most abundant iron sulfide mineral in the Earth's crust, has traditionally been considered as a sink for iron and sulfur in the absence of oxygen. Recent research, however, has shown that anaerobic methanogenic archaea can reductively dissolve pyrite and assimilate its products as sources of iron and sulfur. This study explores whether other anaerobic bacteria, including fermentative, nitrate\u2010, iron oxide\u2010, fumarate\u2010, and sulfate\u2010respiring bacteria, can also reduce pyrite and use its dissolution products as sources of iron and sulfur. Results indicate that heterotrophic bacteria respiring fumarate or sulfate, or fermenting organic carbon, can reduce pyrite and assimilate released iron and sulfur. In contrast, nitrate\u2010 or iron oxide\u2010respiring cells did not reduce pyrite, suggesting that microbial pyrite reduction is metabolism\u2010specific. All strains capable of reducing pyrite could also use mackinawite as an iron and sulfur source. With the exception of fermentative Bacteroides, strains did not require direct contact with pyrite to reduce the mineral, indicating extracellular electron transfer via electron shuttles. These findings expand the known diversity of microbial groups capable of pyrite reduction and highlight the mineral's lability in various anaerobic environments, with potential implications for the biogeochemical cycles of iron, sulfur, carbon, and oxygen.<\/jats:p>","DOI":"10.1111\/1462-2920.70125","type":"journal-article","created":{"date-parts":[[2025,6,22]],"date-time":"2025-06-22T18:59:42Z","timestamp":1750618782000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Expanded Diversity of Microbial Groups Capable of Anaerobic Pyrite Reduction and Assimilation of Dissolution Products"],"prefix":"10.1111","volume":"27","author":[{"given":"Eric S.","family":"Boyd","sequence":"first","affiliation":[{"name":"Department of Microbiology and Cell Biology Montana State University  Bozeman, Montana USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9770-9064","authenticated-orcid":false,"given":"Devon","family":"Payne","sequence":"additional","affiliation":[{"name":"Department of Microbiology and Cell Biology Montana State University  Bozeman, Montana USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2025,6,22]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1128\/jb.81.5.741-746.1961"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1128\/MMBR.00034-07"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1155\/2005\/859728"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.277.5326.653"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41598-020-64990-6"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/0016-7037(84)90089-9"},{"key":"e_1_2_10_8_1","first-page":"25","article-title":"Sulphate Reduction, Organic Matter Decomposition and Pyrite Formation","volume":"315","author":"Berner R. 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