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스트론튬 격리화를 위한 요소 분해 박테리아의 분리 및 특성 연구
최재호(Jae-Ho Choi),강창호(Chang-Ho Kang),한상현(Sang-Hyun Han),곽대영(Dae Young Kwak),오수지(SooJi Oh),소재성(Jae-Seong So) 한국생물공학회 2013 KSBB Journal Vol.28 No.3
In this study, 52 ureolytic bacterial strains were newly isolated from various environments. From these, 2 strains (TB-15 and TB-22) were selected based on their high urease activity. XRD spectra clearly showed presence of various sequestration products such as calcite and strontianite in samples. TB-22 showed 20~30% higher survivability upon Sr concentration (20 mM) than Sporosarcina pasteurii KCTC 3558. TB-15 and TB-22 showed 80~90% higher survivability at pH 6 than S. pasteurii. The results demonstrated that the 2 isolates colud be good candidates for the bioremediation of Sr contaminated sites.