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

Seung-Yong Shin | Zendy; SunChul Kang | Zendy

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

Author(s) -

Seung-Yong Shin,

SunChul Kang

Publication year - 2006

Publication title -

korean journal of environmental agriculture

Language(s) - English

Resource type - Journals

eISSN - 2233-4173

pISSN - 1225-3537

DOI - 10.5338/kjea.2006.25.2.124

Subject(s) - oxidizing agent , sodium thiosulfate , thiosulfate , yeast extract , sulfur , strain (injury) , bacteria , mutant , sucrose , fructose , food science , chemistry , yeast , thiobacillus , biochemistry , nitrogen , microbiology and biotechnology , nuclear chemistry , fermentation , biology , organic chemistry , genetics , gene , anatomy

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, 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.

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