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Arsenicicoccus bolidensis a novel arsenic reducing actinomycete in contaminated sediments near the Adak mine (northern Sweden): impact on water chemistry

Routh, J., Saraswathy, A. and Collins, M.D. (2007) Arsenicicoccus bolidensis a novel arsenic reducing actinomycete in contaminated sediments near the Adak mine (northern Sweden): impact on water chemistry. Science of the Total Environment, 379 (2-3). pp. 216-225. ISSN 0048-9697

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To link to this item DOI: 10.1016/j.scitotenv.2006.06.027

Abstract/Summary

Weathering of mine tailings in Adak results in high As concentrations in surface and ground water, sediments, and soil. In spite of the oxic conditions, As-rich surface and ground, water samples indicate As(III) species predominantly (up to 83%). Several microorganisms were isolated from the enrichment cultures that were involved in As cycling. Amongst them was Arsenicicoccus bolidensis - a novel gram-positive, facultatively anaerobic, coccus-shaped actinomycete, which actively reduced As(V) to As(III) in aqueous media. A. bolidensis reduced 0.06-0.20 mM day(-1) As(V). As(V) reduction displays a direct correlation between the initial As(V) concentration, growth rate, and biomass yield. (c) 2006 Elsevier B.V. All rights reserved.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Chemistry, Food and Pharmacy > Department of Food and Nutritional Sciences
Interdisciplinary centres and themes > Soil Research Centre
ID Code:13031
Uncontrolled Keywords:arsenic, mine tailings, A. bolidensis, reduction, remobilization, Adak, AS(V) RESPIRATION, WEST-BENGAL, REDUCTION, MOBILIZATION, LAKE, BACTERIA, RESISTANCE, SPECIATION, TAILINGS, AQUIFERS

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