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The Use of Recombinant DNA Techniques to Study Sterol Metabolism in Streptomyces sp.
Paik, Soon-Young,Shozo, Sawada,Yang, Han-Chul 한국생화학분자생물학회 1990 생화학분자생물학회 소식 Vol.10 No.3
The nucleotide sequence of the cholesterol oxidase gene (choA) of Streptomyces sp. was determined previously. We searched for the promoter region of the choA gene and found a strong promoter at about 1.3-kb upstream from choA gene. Thus we sequenced the fragment between the promoter and choA gene and found a new open reading frame (ORF), unexpectedly. Furthermore, the results of transcript analysis suggested that the c h A gene was transcribed polycistronically under the control of the promoter. In this review, we also discuss homologies in the new ORF and its activity of cytochrome P-450.
Mouse Leukemia 세포로부터 분리한 방사능 감수성 변이주의 90 kDa Protein 결손
백순영,전내광,산본수,택전소삼 ( Soon Young Paik,Hiroshi Tauchi,Osamu Yamamoto,Shozo Sawada ) 생화학분자생물학회 1991 BMB Reports Vol.24 No.2
Wild type murine leukemia L5178Y and its radiation-sensitive mutants, M10 and LX830 cells were compared for their sensitivity to radiation, methyl methanesulfonate (MMS) and 4-nitroquinoline-l-oxide (4-NQO). Sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) pattern of the two extremely radiation-sensitive mutants compared with that of L5178Y showed that a 90-kDa protein was deficient. This deficiency probably indicates that M10 and LX830 may have a common defect in their ability to repair radiation-induced damage.