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Aqueous heavy metals solutions (Hg, Cd, Pb, Ag, Cu, and Zn) were treated with the volatile metabolic products (VMPs) of <jats:italic>Escherichia coli<\/jats:italic> Z3 for 24\u2009h using aerobic bioreactor. The effect of the metals treated with VMPs in comparison to the untreated metals on the growth of <jats:italic>E. coli<\/jats:italic> S1 and <jats:italic>Staphylococcus aureus<\/jats:italic> S2 (local isolates) was examined. Moreover, the toxic properties of the treated and untreated metals were monitored using minimum inhibitory concentration assay. A marked reduction of the treated metals toxicity was recorded in comparison to the untreated metals. Scanning electron microscopy and energy dispersive X\u2010ray analysis revealed the formation of metal particles in the treated metal solutions. In addition to heavy metals at variable ratios, these particles consisted of carbon, oxygen, sulfur, nitrogen elements. The inhibition of metal toxicity was attributed to the existence of ammonia, hydrogen sulfide, and carbon dioxide in the VMPs of <jats:italic>E. coli<\/jats:italic> Z3 culture that might responsible for the transformation of soluble metal ions into metal complexes. This study clarified the capability of <jats:italic>E. coli<\/jats:italic> Z3 for indirect detoxification of heavy metals via the immobilization of metal ions into biologically unavailable species.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jobm.201700143","type":"journal-article","created":{"date-parts":[[2017,11,15]],"date-time":"2017-11-15T17:16:41Z","timestamp":1510766201000},"page":"17-29","source":"Crossref","is-referenced-by-count":28,"title":["Metal transformation as a strategy for bacterial detoxification of heavy metals"],"prefix":"10.1002","volume":"58","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9050-2685","authenticated-orcid":false,"given":"Ashraf M. 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