Nutritional Studies of the Dermatophytes with Special Reference to the Red-Pigment-Producing Varieties of Trichophyton Mentagrophytes1

Silva, Margarita; Benham, Rhoda W.

doi:10.1038/jid.1954.41

Cited by 19 publications

(4 citation statements)

References 12 publications

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“…None of the strains were stimulated by the additions of the water soluble vitamins. These results are similar to those reported by Robbins and Ma (1945), and M\IcVeigh and Campbell (1950), Drouhet and Mlariat (1952), and Silva and Benham (1954). The lack of stimulation by thiamin is in contrast to that observed with T. tonsurans and is illustrated in table 2.…”

Section: Downloaded Fromsupporting

confidence: 90%

Routine Nutritional Tests for the Identification of Dermatophytes

Georg

Camp

1957

J Bacteriol

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Section: Downloaded Fromsupporting

confidence: 90%

Routine Nutritional Tests for the Identification of Dermatophytes

Georg

Camp

1957

J Bacteriol

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“…The cultures obtained from both children gave identical results and morphologically were typical of the granular type of T. mentagrophytes, but in our experience they were unusual in the development of a particularly bright reddishpurple pigment which was seen in most of the isolates. The presence of a brilliant red pigment in T. mentagrophytes isolated from mice has been noted previously (Silva andBenham 1954, La Touche andForster 1963).…”

Section: Cultural Examinationsupporting

confidence: 59%

T. Mentagrophytes and T. Mentagrophytes Var. Quinckeanum Infections of South Australian Mice*

Donald

Brown²

1964

Aust J Dermatology

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In 1917 Paul published in the Medical Journal of Australia a short paper entitled " A ringworm epidemic presenting a new type of fungus ". Because of its unusual epidemiological and mycological interest this paper is quoted iu full: " Eecently there passed over certain districts of New South Wales a plague of mice, which advanced with the rapidity of an invading army, leaving in their train signs of great destruction and devastation. Their food supplies were drawn from huge stacks of wheat, accumulated owing to the lack of freight. As a result much of the wheat had to be rebaggcd and shifted, and many of those handling it, became infected with a cutaneous eruption, which was diagnosed as ringworm. There was ample evidence that the mice were the causative agent in this spread, for many were seen with patches almost denuded of hair. As the occurrence of a similar epidemic is remote, and as the clinical, and more especially the cultural aspects offer certain peculiarities, as well as the source of the disease, for mice are occasionally the carriers of favus, it seemed to me that it m.ay be of interest to record cases characteristic of this epidemic. The eruptions occurred mostly on the exposed parts, an,d on the hair region of the face numerous and extensive areas of pustulation, the so-called multiple kerion, presented themselves. The case about to be described is typical of the lesions as they affect the glabrous skin. The forearms were the regions involved, and the history given by the patient was that he had been handling wheat some two and a half months ago, but had only observed the lesion fourteen days before seeking medical attention. He states that in appearauce it first resembled goose-skin without any redness, but that later erythema manifested itself, and the lesion spread in a circular mauner. Pruritus was complained of, beiug more noticeable at night-time. On examination lesions in various stages of development were present, a striking feature of the early patches being the rounded, and sharply circumscribed border, in which were scattered on an crythematous base, discrete vesicles, vesico-pustulcs, and pustules, but in these dcsquamation was absent. The more advanced patches showed another phase in which there was a somewhat striking resemblance to chronic eczema. In these, the periphery was not sharply circumscribed as in the earlier lesions, the vesicles and pustules had disappeared, and outlying papules or papulo-vesicles were to be observed, as in chronic eczema, which was also simulated by the surface exhibiting a dry scaly roughness.

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“…The description of the usefulness of cycloheximide had a great impact. The nutritional requirements of the dermatophytes continued to be studied by Benham and coworkers (25,378,379,381) and by Ajello, Georg, and Camp (3,146). Georg and Camp simplified the procedures for studying the dermatophytes in the clinical laboratory from a nutritional point of view in 1957 (146).…”

Section: Scientific Contributions 1950 To 1959mentioning

confidence: 99%

History of medical mycology in the united states

Espinel-Ingroff

1996

Clin Microbiol Rev

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Nutritional Studies of the Dermatophytes with Special Reference to the Red-Pigment-Producing Varieties of Trichophyton Mentagrophytes1

Cited by 19 publications

References 12 publications

Routine Nutritional Tests for the Identification of Dermatophytes

Routine Nutritional Tests for the Identification of Dermatophytes

T. Mentagrophytes and T. Mentagrophytes Var. Quinckeanum Infections of South Australian Mice*

History of medical mycology in the united states

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