High-Frequency Intragenomic Heterogeneity of the Ribosomal DNA Intergenic Spacer Region in Trichophyton violaceum
نویسندگان
چکیده
منابع مشابه
High-frequency intragenomic heterogeneity of the ribosomal DNA intergenic spacer region in Trichophyton violaceum.
The intergenic spacer (IGS) of the rRNA genes was analyzed from the dermatophyte Trichophyton violaceum isolated from cases of tinea capitis in Taiwan and Iran. T. violaceum strains were cultured from different colonies, from single conidial colonies derived by dilution plating, and from micromanipulation of single conidia from clinical samples. A ribosomal DNA probe hybridizing to multiple Eco...
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The ribosomal intergenic spacer regions (ISRs) of 19 laboratory strains and 30 clinical samples of Porphyromonas gingivalis were amplified by PCR and sequenced to provide a strain identifier. The ISR is a variable region of DNA located between the conserved 16S and 23S rRNA genes. This makes it an ideal locus for differentiation of strains within a species: primers specific for the conserved fl...
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ژورنال
عنوان ژورنال: Eukaryotic Cell
سال: 2008
ISSN: 1535-9778,1535-9786
DOI: 10.1128/ec.00441-07