Trichophyton Rubrum with the 'raubitschekii' Morphotype: The First Report from Turkey.
Summary of "Trichophyton Rubrum with the 'raubitschekii' Morphotype: The First Report from Turkey."
In modern taxonomy, Trichophyton rubrum with the 'raubitschekii' morphotype differs from the common strains of T. rubrum morphologically, physiologically, and clinically, despite genetic homogeneity. In this paper, we report the first autochthonous Turkish cases in a 24-year-old woman and her 26-year-old fiancé with tinea cruris and tinea manuum, respectively. The isolates were proven to be T. rubrum with the 'raubitschekii' morphotype by their morphological and physiological characteristics including the following: (1) granular colony surface, (2) profuse macroconidia and microconidia, (3) strongly positive urease activity after 3 days, (4) non-perforating hair, (5) restricted growth and producing no alkaline reaction on bromocresol purple-milk solids-glucose agar, and (6) restricted growth and producing no conidia on 3-9% NaCl-supplemented Sabouraud agar. The internal transcribed spacer (ITS) regions of both isolates were sequenced, and the assembled DNA sequences were examined using the Basic BLAST (nucleotide-nucleotide) software of the National Center for Biotechnology Information web database. Actually, the lack of epidemiological data on this variety is notable, and the actual prevalence is unknown. Otherwise, routine methods misidentified the strains as T. rubrum or unrecognized cases were underreported.
Affiliation
Division of Mycology, Department of Microbiology, Faculty of Medicine, University of Cukurova, 01330, Adana, Turkey, milkit@cu.edu.tr.
Journal Details
This article was published in the following journal.
Name: Mycopathologia
ISSN: 1573-0832
Pages:
Links
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/20730602
- DOI: http://dx.doi.org/10.1007/s11046-010-9355-9
Medical and Biotech [MESH] Definitions
Tinea Pedis
Dermatological pruritic lesion in the feet, caused by Trichophyton rubrum, T. mentagrophytes, or Epidermophyton floccosum.
Rhodospirillum Rubrum
Vibrio- to spiral-shaped phototrophic bacteria found in stagnant water and mud exposed to light.
Trichophyton
A mitosporic fungal genus and an anamorphic form of Arthroderma. Various species attack the skin, nails, and hair.
Tinea Capitis
Ringworm of the scalp caused by species of Microsporum and Trichophyton, which may occasionally involve the eyebrows and eyelashes. (Dorland, 27th ed)
Trichophytin
Antigens from the genus TRICHOPHYTON. Trichophytin has been used in studies of immunological responses to these dermatophytes.
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