<i>Arthroderma simii</i>sp. nov., the perfect state of<i>Trichophyton simii</i>(Pinoy) comb. nov.

Stockdale, P. M.; Mackenzie, D. W. R.; Austwick, P. K. C.

doi:10.1080/00362176685190271

Cited by 95 publications

(27 citation statements)

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“…The teleomorph in this group is A. simii , and is described as a heterothallic species forming cleistothecia when two opposite mating partners are co-cultured under suitable conditions [55]. While A. simii (−) strains contain the alpha box gene, (+) strains have the HMG gene in their MAT locus [52].…”

Section: Sexual Reproduction and The Mat Locus In Dermatophytesmentioning

confidence: 99%

Sexual Reproduction in Dermatophytes

Metin

Heitman

2016

Mycopathologia

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Sexual reproduction is a rich source of genetic variation and commonly observed among fungi. Basically two different modes of sexual reproduction are observed in fungi, namely heterothallism where two compatible mating types are required to undergo mating and homothallism in which the organism is self-fertile. The genomic region governing the process of sexual reproduction and sex determination is called the mating type (MAT) locus. In filamentous ascomycetes including dermatophytes, the MAT locus harbors two different transcription factor genes in two different mating types. This review focuses on sexual reproduction and the structure of the MAT locus in dermatophytes. The reproductive modes and the observed mating types are summarized for different phylogenetic clades of dermatophytes. In addition, the question of whether or not unisexual reproduction, an interesting form of homothallism, may be the sexual reproduction mode especially in anthropophilic dermatophytes is raised.

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Section: Sexual Reproduction and The Mat Locus In Dermatophytesmentioning

confidence: 99%

Sexual Reproduction in Dermatophytes

Metin

Heitman

2016

Mycopathologia

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“…The isolates of T mentagrophytes have been generally identified by morphological and physiological examinations as well as mating experiments. T mentagrophytes have been proven to be complexes of more than 3 species including the teleomorphs of Arthroderma benhamiae, A. simii and A. vanbreuseghemii (1,5,7). However, it is occasionally difficult to differentiate the T mentagrophytes complexes morphologically and some of these isolates have often lost mating activity.…”

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confidence: 99%

The First Isolation of Arthroderma benhamiae in Japan

Kano

Nakamura

Yasuda

et al. 1998

Microbiology and Immunology

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A clinical isolate of Trichophyton mentagrophytes from rabbit was examined by polymerase chain reaction (PCR) analysis and a mating experiment. The species‐specific primers designed from the nucleotide sequences of the chitin synthase 1 (CHS1) gene in the teleomorph of Arthroderma benhamiae amplified a fragment from genomic DNA samples of A. benhamiae and the clinical isolate but not from those of A. simii and A. vanbreuseghemii. On the other hand, the species‐specific primers of A. simii and A. vanbreuseghemii did not amplify any fragment from the genomic DNA of the clinical isolates. When the isolate was respectively crossed with (+) or (‐) tester strains of A. benhamiae, A. simii and A. vanbreuseghemii, ascospores were produced in the crossing with the A. benhamiae (+) strain. Therefore, the isolate was identified to be A. benhamiae (‐), confirming the result of molecular analysis. This is the first report on the isolation of A. benhamiae in Japan.

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“…Trichophyton simii (Pinoy) Stockdale, Mackenzie &Austwick 1965, and7-. persicolor Sabouraud 1910, which also resemble 7".…”

Section: Discussionmentioning

confidence: 99%

“…persicolor Sabouraud 1910, which also resemble 7". mentagrophytes, have recently been shown to be distinct species on the basis of their perfect states which are distinct from A.benhamiae (Stockdale, Mackenzie & Austwick, 1965;Stockdale, 1967). We did not produce a perfect state among the isolates of var.…”

Section: Discussionmentioning

confidence: 99%