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- Title
A novel isolate of Desulfovibrio sp. with enhanced ability to reduce Cr(VI).
- Authors
Mabbett, Amanda N.; Macaskie, Lynne E.
- Abstract
Kinetic analysis of the reduction of Cr(VI) by resting cell suspensions of Desulfovibrio vulgaris ATCC 29579 and a new isolate, Desulfovibrio sp. (`Oz7') was studied using lactate as the electron donor at 30 °C. The apparent Km (Km app) and Vmax with respect to Cr(VI) reduction was compared for both strains. Desulfovibio sp. `Oz7' had a Km app of 90 μM (threefold lower than that of D. vulgaris ATCC 29579) and a Vmax of 120 nmol h-1 mg-1 biomass dry wt (approx. 30% lower than for the reference strain). The potential of the new isolate for bioremediation of Cr(VI) wastewaters is discussed.
- Subjects
DESULFOVIBRIO; HEXAVALENT chromium; BIOMASS; BIOCHEMISTRY; BIOREMEDIATION; INDUSTRIAL wastes
- Publication
Biotechnology Letters, 2001, Vol 23, Issue 9, p683
- ISSN
0141-5492
- Publication type
Article
- DOI
10.1023/A:1010352417399