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Mitochondrion. 2012 Sep;12(5):514-9. doi: 10.1016/j.mito.2012.07.109. Epub 2012 Jul 21.

Mitochondrial genome variability within the Candida parapsilosis species complex.

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  • 1Department of Biochemistry, Faculty of Natural Sciences, Comenius University, Mlynska dolina CH-1, 842 15 Bratislava, Slovak Republic. matus.a.valach@gmail.com

Abstract

Candida parapsilosis species complex includes three closely related species, namely C. parapsilosis (sensu stricto), C. orthopsilosis, and C. metapsilosis. Unlike most other yeast lineages, members of this species complex possess a linear mitochondrial genome. Yet, its circularized mutant form was identified in strains of C. orthopsilosis and C. metapsilosis. To investigate the underlying variability, we performed comparative analyses of the complete mitochondrial DNA sequences in a collection of strains. Our results demonstrate that in contrast to C. parapsilosis and C. metapsilosis, C. orthopsilosis exhibits remarkably high nucleotide diversity whose pattern is consistent with intraspecific genetic exchange.

Copyright © 2012 Elsevier B.V. and Mitochondria Research Society. All rights reserved.

PMID:
22824459
[PubMed - indexed for MEDLINE]
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