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  • Title: The isolation and characterization of a calmodulin-encoding gene (CMD1) from the dimorphic fungus Candida albicans.
    Author: Saporito SM, Sypherd PS.
    Journal: Gene; 1991 Sep 30; 106(1):43-9. PubMed ID: 1937040.
    Abstract:
    Candida albicans is a dimorphic, opportunistic pathogen of humans, and calcium and calmodulin have been implicated in its morphogenic transition. The C. albicans calmodulin-encoding gene, CMD1, was isolated from cDNA and genomic phage lambda libraries using the Saccharomyces cerevisiae CMD gene as a hybridization probe. Southern-blot hybridization analysis of genomic DNA suggests the existence of only one type of calmodulin gene in C. albicans. Comparison of cDNA and genomic sequences identified a 222-bp intron located immediately after the Met start codon. The predicted amino acid sequence was 60% identical with yeast CMD and 70% identical with CMDs of filamentous fungi and vertebrates. We have localized the CMD1 gene to chromosome 3 using the contour-clamped homogeneous electric field gel electrophoresis. The CMD1 gene hybridized to a single 650-nucleotide transcript which was present in equivalent amounts in both the yeast and hyphal forms of the organism.
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