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J Bacteriol. 1968 November; 96(5): 1546-1550
Copyright © 1968 American Society for Microbiology. All Rights Reserved.

Respiratory Components of Aspergillus niger Mitochondria

^a Department of Applied Microbiology, University of Strathclyde, Glasgow, Scotland

ABSTRACT

The respiratory components of tightly coupled mitochondria from the filamentous fungus Aspergillus niger were studied. Cytochromes a + a₃, b, and c + c₁ were identified by difference spectra. The cytochrome spectra were qualitatively similar to yeast and rat liver mitochondria. The mitochondria contained, per gram of protein, an average of 2.9 and 7.0 µmoles of ubiquinone and nicotinamide adenine dinucleotide, respectively.

¹ Present address: Department of Biochemistry, Monash University, Melbourne, Australia.