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Journal of Bacteriology, July 1999, p. 4098-4102, Vol. 181, No. 13
Laboratory of Biophysics, Department of
Microbiology, College of Natural Sciences, and Research Center for
Molecular Microbiology, Seoul National University, Seoul 151-742, Republic of Korea
Received 29 December 1998/Accepted 18 April 1999
The AOX1 gene, which encodes an alternative oxidase,
was isolated from the genomic DNA library of Candida
albicans. The gene encodes a polypeptide consisting of 379 amino
acids with a calculated molecular mass of 43,975 Da. The
aox1/aox1 mutant strain did not show cyanide-resistant
respiration under normal conditions but could still induce
cyanide-resistant respiration when treated with antimycin A. The
measurement of respiratory activity and Western blot analysis suggested
the presence of another AOX. When C. albicans AOX1 was
expressed in alternative oxidase-deficient Saccharomyces
cerevisiae, it could confer cyanide-resistant respiration on
S. cerevisiae.
0021-9193/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.
Molecular Cloning and Functional Expression of
Alternative Oxidase from Candida albicans
*
Corresponding author. Mailing address: Laboratory of
Biophysics, Department of Microbiology, College of Natural Sciences, and Research Center for Molecular Microbiology, Seoul National University, Seoul 151-742, Republic of Korea. Phone: (82) (2) 880 6703. Fax: (82) (2) 888 4911. E-mail:
kangsaou{at}plaza.snu.ac.kr.
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