Four bacterial strains designated as SNTP-1, NS-2 to NS-4 were isolated from selenium contaminated soils of Nawanshahr-Hoshiarpur region of Punjab, India, by enrichment technique and a consortium was developed using these isolates. The isolates were observed to be belonging to Bacillus sp. In soil microcosm, complete removal was observed by the consortium in selenite augmented soils while the rate of removal with consortia in selenate treatment was 72% after 120 days. Population survival of isolates showed stability at lower treatments and decline at higher levels of Se enrichment. The consortium can, thus, be used for removal of Se contaminated sites.
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The authors acknowledge the funding provided by Board of Research in Nuclear Sciences (BRNS), Govt. of India reactor facilities provided by Scientific Officers, Research Reactors, BARC, Mumbai.
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Prakash, N.T., Sharma, N., Prakash, R. et al. Removal of Selenium from Se Enriched Natural Soils by a Consortium of Bacillus Isolates. Bull Environ Contam Toxicol 85, 214–218 (2010). https://doi.org/10.1007/s00128-010-0061-6