{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T06:21:55Z","timestamp":1791267715946,"version":"4.1.0"},"reference-count":41,"publisher":"American Society for Microbiology","issue":"5","license":[{"start":{"date-parts":[[2000,5,1]],"date-time":"2000-05-01T00:00:00Z","timestamp":957139200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["Appl Environ Microbiol"],"published-print":{"date-parts":[[2000,5]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            <jats:italic>Deinococcus radiodurans<\/jats:italic>\n            is an exceptionally radiation-resistant microorganism capable of surviving acute exposures to ionizing radiation doses of 15,000 Gy and previously described as having a strictly aerobic respiratory metabolism. Under strict anaerobic conditions,\n            <jats:italic>D. radiodurans<\/jats:italic>\n            R1 reduced Fe(III)-nitrilotriacetic acid coupled to the oxidation of lactate to CO\n            <jats:sub>2<\/jats:sub>\n            and acetate but was unable to link this process to growth.\n            <jats:italic>D. radiodurans<\/jats:italic>\n            reduced the humic acid analog anthraquinone-2,6-disulfonate (AQDS) to its dihydroquinone form, AH\n            <jats:sub>2<\/jats:sub>\n            DS, which subsequently transferred electrons to the Fe(III) oxides hydrous ferric oxide and goethite via a previously described electron shuttle mechanism.\n            <jats:italic>D. radiodurans<\/jats:italic>\n            reduced the solid-phase Fe(III) oxides in the presence of either 0.1 mM AQDS or leonardite humic acids (2 mg ml\n            <jats:sup>\u22121<\/jats:sup>\n            ) but not in their absence.\n            <jats:italic>D. radiodurans<\/jats:italic>\n            also reduced U(VI) and Tc(VII) in the presence of AQDS. In contrast, Cr(VI) was directly reduced in anaerobic cultures with lactate although the rate of reduction was higher in the presence of AQDS. The results are the first evidence that\n            <jats:italic>D. radiodurans<\/jats:italic>\n            can reduce Fe(III) coupled to the oxidation of lactate or other organic compounds. Also,\n            <jats:italic>D. radiodurans<\/jats:italic>\n            , in combination with humic acids or synthetic electron shuttle agents, can reduce U and Tc and thus has potential applications for remediation of metal- and radionuclide-contaminated sites where ionizing radiation or other DNA-damaging agents may restrict the activity of more sensitive organisms.\n          <\/jats:p>","DOI":"10.1128\/aem.66.5.2006-2011.2000","type":"journal-article","created":{"date-parts":[[2002,7,27]],"date-time":"2002-07-27T09:55:30Z","timestamp":1027763730000},"page":"2006-2011","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":270,"title":["Reduction of Fe(III), Cr(VI), U(VI), and Tc(VII) by\n            <i>Deinococcus radiodurans<\/i>\n            R1"],"prefix":"10.1128","volume":"66","author":[{"given":"J. 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