The Natural History of Microsporum nanum

Ajello, Libero; Varsavsky, Edith; Ginther, O. J.; Bubash, G. R.

doi:10.2307/3756652

Cited by 20 publications

(10 citation statements)

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“…M. nanum, Fuentes, a common inhabitant among swine is both ageophilicand zoophilicspecies. Infection in pigs due to this dermatophyte has also been reported (5). Its occurrence in soils has been recorded from Pennsylvania, Kentucky, Kansas, Poona, Germany, France, Greece and Sweden (5,24,26).…”

Section: Discussionmentioning

confidence: 91%

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Keratinophilic Fungi and Dermatophytes in Lucknow Soils with Their Global Distribution:* Keratinophile Pilze und Dermatophyten im Erdboden von Lucknow und ihr weltweites Vorkommen

Jain

Shukla

Srivastava

1985

Mycoses

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In a study of 94 soil samples in Lucknow (India) 81 (86.1%) were found positive for keratinophilic fungi and related dermatophytes. A total of twelve species classifted in five genera were encountered: Chrysosporium indicum (57.4%), Microsporum gypseum (19.1°/o), C. keratinophilum (11. 7O/o), C. tropicum and Nannizzia sp. (85% each), C. asperaturn and, Chrysosporim spp. (7.4% each), C. evolceanui (5.3%), anamorph of Ctenomyces semtus (4.3%), Aphanoascus terreus and Ctenomyces serratus (3.1% each) and M. nanum (1.0%). Occurrence of C. asperaturn in Lucknow soils is the first report from India. The fungi encountered have also been discussed in relation to their global distribution. Zosammenfassung: In 81 von 94 Bodenproben (86,lYo) aus Lucknow (Indien) wurden Dennatophyten und andere keratinophile Pilze gefunden. Insgesamt &en l 2 Arten aus 5 Gattungen isoiiert: Chrysosporium indicum (57,4Oo), Microsponun gypseum (19,1°/o), C. keratinophilum (11,7' vo). C. tropicum und Nannhia sp. (ie 8,5%), C. asperatum und Chrysosporium spp. (je 7,4%), C. evolceanui (SJYo), imperfekte Form von Ctenomyces serratus (4,3%), Aphanoascus terreus und Ctenomyces semtu (je 3,1%) und M. nanum (l,Oo/o). Der Bericht iiber das Vorkommen von C. asperatum im Boden von Lucknow ist gleichzeitig der erste Bericht aus Indien. Die nachgewiesenen Bodenpilze werden im Zusammenhang mit ihrem weltweiten Vorkommen diskutiert * C. D. R. I. Communication No. 3479 ____I__ mykosen 28, Heft 3 (1985) Keratinophilic Fungi and Dermatophytes

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Section: Discussionmentioning

confidence: 91%

“…Infection in pigs due to this dermatophyte has also been reported (5). Its occurrence in soils has been recorded from Pennsylvania, Kentucky, Kansas, Poona, Germany, France, Greece and Sweden (5,24,26). It also affects human beings and causes tinea corporis, tinea capitis and tinea pedis (7,19).…”

Section: Discussionmentioning

confidence: 91%

Keratinophilic Fungi and Dermatophytes in Lucknow Soils with Their Global Distribution:* Keratinophile Pilze und Dermatophyten im Erdboden von Lucknow und ihr weltweites Vorkommen

Jain

Shukla

Srivastava

1985

Mycoses

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“…Sometimes the infected animals show ringworm lesions; however cases have been described in which the fungus was isolated from apparently healthy pigs. Ajello et al (1964) and Roller and Westblom (1986) isolated M. nanum from soil cultures in places of swine rearing, confirming the existence of saprophytes of active growth in the soil and sporulated forms of the fungus. Dermatophytosis due to M. nanum has been described as a common zoonosis of rural workers (ROLLER; WESTBLOM, 1986;SPIEWAK;SZOSTAK, 2000;YERGA et al, 2007).…”

Section: Case Reportmentioning

confidence: 99%

“…nanum is a dermatophyte that is more adapted to swine species, suggesting that direct contact with this species is the main source of M. nanum infection in humans and animals (AJELLO et al, 1964;ROLLER;WESTBLOM, 1986). In dogs, the occurrence of M. nanum infection is rare, and the clinical manifestations of such an infection have been reported in a clinical study (MUHAMMED;MBOGWA, 1974) and in studies of the prevalence of M. nanum in the cultivated hair of dogs and cats with suspected dermatophytosis (BERNARDO et al, 2005;SEKER;DUGAN, 2011).…”

Section: Introductionmentioning

confidence: 99%

Dermatophytosis due to Microsporum nanum infection in a canine

Valandro

Pascon

Mistieri

et al. 2017

SCA

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Miscrosporum nanum is a dermatophyte found in swine that causes non-pruritic lesions with desquamation, alopecia, and circular characteristics. M. nanum infection in dogs is rare and poorly understood in terms of its epidemiological and clinical features, and its therapeutic response. The present report describes a case of dermatophytosis due to M. nanum in a Dogo Argentino breed of dog that was used for wild boar hunting. The dermatophytosis presented with hypotrichosis, erythema, and non-pruritic desquamation in the back of the neck and chest area. The dermatophytosis was responsive to systemic treatment with itraconazole and topical (miconazole 2%) for 60 days. Thus, we conclude that the practice of hunting wild boar should be considered as a possible source of infection of M. nanum in the reported dog. The M. nanum infection showed clinical features that were similar to the lesions observed in swine, except for the absence of the circular pattern, and showed a good clinical response to the therapy. Finally, M. nanum should be considered as an etiologic agent of dermatophytosis in dogs that in some manner have had direct contact with domestic or wild swine. Key words: Dermatophytes. Dog. Therapy. ResumoO Miscrosporum nanum é um dermatófito encontrado em suídeos, promovendo lesões não pruriginosas, com características descamativas, alopécicas e circulares. A infecção de cães é rara e pouco compreendida em seus aspectos epidemiológicos, clínicos e terapêuticos. O presente relato tem por objetivo descrever um caso de dermatofitose por M. nanum em um cão Dogo Argentino, utilizado na prática de caça à javali, apresentando hipotricose, eritema e descamação não pruriginosa da região dorsal do pescoço e tórax, responsivo ao tratamento sistêmico com itraconazol, associado ao tópico (miconazol 2%), durante 60 dias. Desta forma, concluímos que a prática de caça à suínos selvagens deve ser considerada a possível fonte de infecção de M. nanum no cão relatado, o qual apresentou características clínicas semelhantes às lesões observadas em suínos, exceto pela ausência do padrão circular, com boa resposta clínica à terapia empregada. Por fim, o M. nanum deve ser considerado como agente etiológico da dermatofitose em cães que, de alguma forma, possuam contato direto com suídeos domésticos ou selvagens. Palavras-chave: Dermatófitos. Cão. Terapia.

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“…T. terrrstre is a universal geophilic keratinophile which has been isolated from soil in Europe (Stockdale, 1958;De Vries, 1962;Kaben, 1963;Stcpanisheva, 1963, etc. ), in South-America (Varsavsky, 1964;Rogers & Beneke, 1964), in the U.S.A. (Ajcllo et at., 1964) and in New Zealand (Marples, 1961). The fungus has been recognized as harmless in the hairy coats of cats and dogs (Gentles er al., 1965;Connole, 1965), hedgehogs (Marples & Smith, 1962.…”

Section: Acra Agricrrlfrrrs Scandinaricu 18 (1968)mentioning

confidence: 98%

On Keratinophilic Soil Fungi in Finland

Salonen

1968

Acta Agriculturae Scandinavica

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The Natural History of Microsporum nanum

Cited by 20 publications

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Keratinophilic Fungi and Dermatophytes in Lucknow Soils with Their Global Distribution:* Keratinophile Pilze und Dermatophyten im Erdboden von Lucknow und ihr weltweites Vorkommen

Keratinophilic Fungi and Dermatophytes in Lucknow Soils with Their Global Distribution:* Keratinophile Pilze und Dermatophyten im Erdboden von Lucknow und ihr weltweites Vorkommen

Dermatophytosis due to Microsporum nanum infection in a canine

On Keratinophilic Soil Fungi in Finland

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