{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,21]],"date-time":"2026-05-21T15:56:57Z","timestamp":1779379017776,"version":"3.53.1"},"reference-count":22,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2008,8,29]],"date-time":"2008-08-29T00:00:00Z","timestamp":1219968000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Basic Microbiol."],"published-print":{"date-parts":[[2008,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Bacterial strain <jats:italic>Exiguobacterium <\/jats:italic> sp. ZM\u20102 isolated from agricultural soil irrigated with tannery effluents, was examined for its resistance to hexavalent chromium. <jats:italic>Exiguobacterium<\/jats:italic> sp. ZM\u20102 could resist 12.37 mM of potassium chromate. The isolate was also found resistant to other heavy metal ions. <jats:italic>Exiguobacterium<\/jats:italic> sp. ZM\u20102 was able to reduce 500 \u03bcM hexavalent chromium completely within 56 h under in vitro conditions. Chromate reduction was severely affected in presence of metabolic inhibitors, sodium cyanide and sodium azide. No chromate reduction was observed in presence of 1 mM sodium cyanide while only 17% of 250 \u03bcM chromate was reduced when medium contained 1 mM sodium azide. A 10 mM sodium sulphate inhibited hexavalent chromium reduction up to 35%. On the other hand, use of 1 mM 2, 4\u2010dinitrophenol, an uncoupling agent, stimulated the chromate reduction, indicating that the respiratory\u2010chain\u2010linked electron transport to Cr (VI) was limited by the rate of dissipation of the proton motive force. Cell free extract of <jats:italic>Exiguobacterium <\/jats:italic> sp. ZM\u20102 readily reduce Cr (VI) to Cr (III). The kinetics of chromate reductase fit well in the linearized Lineweaver\u2010Burk plot and showed a <jats:italic>K<jats:sub>m<\/jats:sub><\/jats:italic> of 106.1 \u03bcM Cr (VI) and <jats:italic>V<\/jats:italic><jats:sub>max<\/jats:sub> of 1.24 \u03bcmol\/min per mg of protein. (\u00a9 2008 WILEY\u2010VCH Verlag GmbH &amp; Co. KGaA, Weinheim)<\/jats:p>","DOI":"10.1002\/jobm.200800046","type":"journal-article","created":{"date-parts":[[2008,8,29]],"date-time":"2008-08-29T09:07:59Z","timestamp":1220000879000},"page":"416-420","source":"Crossref","is-referenced-by-count":57,"title":["Chromate resistance, transport and bioreduction by <i>Exiguobacterium<\/i> sp. 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