Genetic Variability among Blastoschizomyces Capitatus Isolates from Different Clinical Sources | Zendy

Eugenio Pontieri | Zendy; Clementina Caracciolo | Zendy; T Ceddia | Zendy; B Oliva | Zendy; Arianna Ferrini | Zendy; Corrado Girmenia | Zendy; Domenico D’Antonio | Zendy

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Genetic Variability among Blastoschizomyces Capitatus Isolates from Different Clinical Sources

Author(s) -

Eugenio Pontieri,

Clementina Caracciolo,

T Ceddia,

B Oliva,

Arianna Ferrini,

Corrado Girmenia,

Domenico D’Antonio

Publication year - 2005

Publication title -

international journal of immunopathology and pharmacology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.724

H-Index - 53

eISSN - 2058-7384

pISSN - 0394-6320

DOI - 10.1177/039463200501800313

Subject(s) - salicin , biology , cellobiose , restriction enzyme , arbutin , genetics , microbiology and biotechnology , upgma , genetic analysis , enzyme , gene , genotype , biochemistry , cellulase

Sixteen clinical isolates and nine ATCC reference strains of Blastoschizomyces capitatus were analysed genetically, examined for the cellobiose, arbutin and salicin assimilation and tested for the aspartyl-proteinase secretion. The restriction endonuclease analysis (REA) with HpaII and HinfI enzymes and the electrophoretic karyotype (EK) were investigated. Both the restriction enzymes revealed two groups (I, II) constituted by the same isolates: 17 isolates (68%) in group I and 8 (32%) in group II. The EK analysis revealed sixteen groups. These data prompts for a genetic variability of the isolates of Blastoschizomyces capitatus and their account in two distinct genetic groups as suggested by REA. This grouping was confirmed by examing the utilisation of cellobiose, arbutin and salicin. The tests for secretory aspartyl proteinase (Sap) were positive only for three isolates, suggesting a marginal role of this specific enzyme in pathogenesis for these isolates.

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