Fungal flora of human toe webs

Oyeka, C. A.; Ugwu, Linus

doi:10.1046/j.1439-0507.2002.00796.x

Cited by 18 publications

(19 citation statements)

References 18 publications

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“…The occurrence of groin infection may therefore play a role in the spread and persistence of fungal skin infections among these inmates. Study by Oyeka and Ugwu [10] showed that toe webs of apparently healthy people may serve as sources of infection for others.…”

Section: Discussionmentioning

confidence: 99%

“…[5][6][7][8] The presence of reservoirs of infection and asymptomatic carriage by domesticated animals and healthy human carriers pose the greatest problem for eradication and prevention of fungal skin infections. 8,9 Oyeka and Ugwu [10] demonstrated that toe webs of apparently healthy humans harbour a lot of fungi, both dermatophytes and non-dermatophytes, without any clinical symptoms and signs of infections. These healthy toe webs serve as reservoirs of infections for others.…”

Section: Introductionmentioning

confidence: 99%

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Fungal skin infections among prison inmates in Abakaliki, Nigeria

Oyeka

Eze

2007

Mycoses

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SummaryOf 402 prison inmates screened for fungal skin lesions, 79 (19.7%) showed skin lesions, which proved mycologically positive by microscopy and culture. Dermatophytes were responsible for skin lesions in 61 (77.2%) of the inmates, while non-dermatophytes accounted for 18 (22.8%) of the lesions. The dermatophytes recovered were mostly anthropophilic and included Trichophyton rubrum 33 (41.8%); T. mentagrophytes var. interdigitale 3 (3.8%); T. tonsurans 3 (3.8%); T. violaceum 2 (2.5%); Epidermophyton floccosum 10 (12.7%). A zoophilic dermatophyte, Microsporum canis, was recovered from 10 (12.7%) cases. The non-dermatophytes were Candida albicans 15 (19%) and Candida spp. 3 (3.8%). Trichophyton rubrum was the most frequently recovered dermatophyte (41.8%) and caused infections in a variety of sites. The groin was the most common site of infection being infected in 50% of the cases by both the dermatophytes and non-dermatophytes. Younger inmates (17-24 years) recorded the highest prevalence of infection (45.6%). Newer inmates (>2 years) were found to be more infected than older ones.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Fungal skin infections among prison inmates in Abakaliki, Nigeria

Oyeka

Eze

2007

Mycoses

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“…As a commensal, C. albicans colonizes the gastrointestinal tract 1 , mouth 2 , skin 3, 4 , and female reproductive tract 5, 6 of at least 70% of healthy adults. 7 Human hosts are usually colonized in infancy 8 and longitudinal molecular typing studies indicate that strains persist clonally for many years, with little evidence for strain replacement.…”

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confidence: 99%

Candida albicans cell-type switching and functional plasticity in the mammalian host

2016

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Candida albicans is a ubiquitous commensal of the mammalian microbiome as well as the most prevalent fungal pathogen of humans. A cell type transition between C. albicans yeast and hyphal morphologies was thought to underlie much of the variation in virulence in different host tissues. However, novel yeast-like cell morphotypes, including opaquea/α, gray, and GUT cell types, were recently reported that exhibit pronounced differences in vitro and in animal models of commensalism and disease. In this Review, we explore the characteristics of the classic cell types yeast, hyphae, pseudohyphae and chlamydospores as well as the newly identified yeast-like morphotypes. We highlight emerging knowledge about the associations of these different morphotypes with different host niches, virulence potential as well as the environmental cues and signalling pathways involved in the morphological transitions.

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“…In the toes of humans, at least fourteen different genera of fungi have been isolated [24]. These genera included yeasts such as Candida albicans , Rhodotorula rubra , Torulopsis glabra, and Trichosporon cutaneum ; dermatophytes such as Microsporum gypseum and Trichophyton rubrum; opportunistic fungi that can live in skin such as Rhizopus stolonifer , Trichosporon cutaneum , Fusarium spp, Scopulariopsis brevicaulis , Curvularia spp, Alternaria alternata , Paecilomyces spp, Aspergillus flavus, and Penicillium spp.…”

Section: Discussionmentioning

confidence: 99%

Integument Mycobiota of Wild European Hedgehogs (Erinaceus europaeus) from Catalonia, Spain

et al. 2012

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There are some reports about the risk of manipulating wild hedgehogs since they can be reservoirs of potential zoonotic agents like dermatophytes. The aim of this study was to describe the integument mycobiota, with special attention to dermatophytes of wild European hedgehogs. Samples from spines and fur were cultured separately in Sabouraud dextrose agar (SDA) with antibiotic and dermatophyte test medium (DTM) plates. Nineteen different fungal genera were isolated from 91 cultures of 102 hedgehogs. The most prevalent genera were Cladosporium (79.1%), Penicillium (74.7%), Alternaria (64.8%), and Rhizopus (63.7%). A lower prevalence of Aspergillus (P = 0,035; χ 2 = 8,633) and Arthrinium (P = 0,043; χ 2 = 8,173) was isolated during the spring time and higher frequencies of Fusarium (P = 0,015; χ 2 = 10,533) during the autumn. The prevalence of Acremonium was significantly higher in young animals (70%, 26/37) than in adults (30%, 11/37) (P = 0,019; χ 2 = 5,915). Moreover, the majority of the saprophytic species that grew at the SDA culture were also detected at the DTM. Finally, no cases of ringworm were diagnosed and no dermatophytes spp. were isolated. Concluding, this study provides the first description of fungal mycobiota of the integument of wild European hedgehogs in Spain, showing a large number of saprophytic species and the absence of dermatophytes.

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Fungal flora of human toe webs

Cited by 18 publications

References 18 publications

Fungal skin infections among prison inmates in Abakaliki, Nigeria

Fungal skin infections among prison inmates in Abakaliki, Nigeria

Candida albicans cell-type switching and functional plasticity in the mammalian host

Integument Mycobiota of Wild European Hedgehogs (Erinaceus europaeus) from Catalonia, Spain

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