营养生长和产孢蜡样芽孢杆菌的呼吸系统。
Respiratory system of vegetative and sporulating Bacillus cereus.
作者信息
Escamilla J E, Benito M C
出版信息
J Bacteriol. 1984 Oct;160(1):473-7. doi: 10.1128/jb.160.1.473-477.1984.
Abstract
The composition and organization of the Bacillus cereus respiratory system were studied. The abolition of NADH-dependent respiration in vegetative and sporulating cell membranes by near-UV light (360 nm) indicated that electrons reduce oxygen only through a quinone-cytochrome pathway. Difference spectroscopy demonstrated the presence of cytochromes b555, c548, aa3, b562, and a2. This composition and studies with respiratory inhibitors suggested that cytochromes are organized in at least two branches, one being highly sensitive to cyanide.
摘要
对蜡样芽孢杆菌呼吸系统的组成和组织进行了研究。近紫外光（360nm）使营养细胞和芽孢形成细胞膜中依赖NADH的呼吸作用消失，这表明电子仅通过醌 - 细胞色素途径还原氧气。差示光谱法证明存在细胞色素b555、c548、aa3、b562和a2。这种组成以及对呼吸抑制剂的研究表明，细胞色素至少以两个分支组织，其中一个对氰化物高度敏感。
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