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Oxidative Enzymes in Subcellular Structures of Bacillus Stearothermophilus
Abstract
It was reported earlier (Georgi et al, 1951, 1955) that a red fraction obtained from Bacillus stearothermophilus consisted of discrete protoplasmic particles encased in a lipid membrane. Dissolution of the membrane with ethanol-ether and analyses of the various fractions indicated organic iron and cytochrome c were confined to the particles. Electron micrographs indicated the particles were 850 A in diameter. The lipid matter of the cell appeared to be concentrated in the red fraction in addition to such enzymes as ATPase and cytochrome oxidase. The data presented helped to establish the organelle nature of the sub-cellular components and also their discreteness. Treatment of the particles with DNAase yielded sub-particles which were approximately 450 A in diameter.
Subject Area
Microbiology
Recommended Citation
DOWNEY, RONALD JOSEPH, "Oxidative Enzymes in Subcellular Structures of Bacillus Stearothermophilus" (1961). ETD collection for University of Nebraska-Lincoln. AAI6200013.
https://digitalcommons.unl.edu/dissertations/AAI6200013