Title Pseudomonas carboxydovorans와 acinetobacter sp.1의 일산화탄소 산화효소의 세포내 분포에 대한 효소학적 연구
Author 김시욱1 · 김영민 *
Address 연세대학교 이과대학 생물학과
Bibliography Korean Journal of Microbiology, 24(3),270-275, 1986
DOI
Key Words Pseudomonas carboxydovorans, Acinetobacter, CO dehydrogenase
Abstract The localization of carbon monoxide dehydrogenases (CO-DHs) in Pseudomonas carvoxydovorans and Acinetobacter sp.1 was examined by comparison of the distribution of CO-oxidizing activity between soluble and particulate fractions obtained after disruption of CO-grown cells by sonic oscillation and of spheroplasts by osmotic shock. When the cells were broken by sonic oscillation, most of the CO-DH activity was recovered from soluble fractions. However, disryption by osmotic lysis of spheroplasts revealed that the enzyme activity is present in the cell membrane. The results indicated the CO-DHs in these cells are loosely attached to the cytoplasmic membrane.
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