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http://dx.doi.org/10.5338/KJEA.2006.25.2.124

Optimization of Mutant Strain of the Sulfur-Oxidizing Bacteria, Thiobacillus sp. UIW-6  

Shin, Seung-Yong (Department of Biotechnology, Daegu University)
Kang, Sun-Chul (Department of Biotechnology, Daegu University)
Publication Information
Korean Journal of Environmental Agriculture / v.25, no.2, 2006 , pp. 124-128 More about this Journal
Abstract
To reducing offensive odor form compost UIW-6 mutant obtained by UV treatment from sulfur-oxidizing bacteria, Thiobacillus sp. IW. The UIW-6 mutant was found 1.6 times faster in growth than the parent strain on thiosulfate medium (TM) at 36 h after incubation. Initial pH, temperature and agitation for the optimum growth of UIW-6 were 6.5, $35^{\circ}C$ and 200 rpm, respectively. The UIW-6 mutant growth was two times higher than parent strain at 6 h culture in TM liquid medium containing 50 mM sodium thiosulfate. The UIW-6 mutant used fructose and sucrose as carbon sources and yeast extract> tryptone> peptone as nitrogen ones. It was found that the growth of UIW-6 was increased in addition of 0.2% yeast extract.
Keywords
Thiobacillus sp. IW; UV-B; sodium thiosulfate; odor removal;
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