Hortaea werneckii (Horta) Nishim. & Miyaji, Japanese Journal of Medical Mycology 26 (2): () [MB#]. Hortaea werneckii is a dematiaceous yeast that inhabits the soil, particularly in tropical and subtropical climates. It is halophilic and has also been isolated from . Abstract. During a survey of black yeasts of marine origin, some isolates of Hortaea werneckii were recovered from scuba diving equipment, such as silicone .

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In fact this mycosis is considered an imported fungal infection being much more prevalent in warm, humid parts of the world wernwckii as the Central and South Americas, Africa, and Asia. Sequences were compared using a black yeast molecular database maintained at the Centraalbureau voor Schimmelcultures, Utrecht, The Netherlands.

Candida albicans Candidiasis Oral Esophageal Vulvovaginal Chronic mucocutaneous Antibiotic candidiasis Candidal intertrigo Candidal onychomycosis Candidal paronychia Candidid Diaper candidiasis Congenital cutaneous candidiasis Perianal candidiasis Systemic candidiasis Erosio interdigitalis blastomycetica C.

Marine culturable yeasts in deep-sea hydrothermal vents: In fact this species is not reported as a marine yeast [ werneckoi ]. The latter medium was prepared and used in this study for the selective isolation of H.

Silicone rubber is generally non-reactive, stable, biologically hlrtaea and resistant to extreme environments and temperatures and can be found in a wide variety of products such as home sealants, food storage products, sportswear, footwear, electrical and electronic components, medical devices and implants. They are initially black with a creamy hrotaea and later become filamentous.

Biopsies were taken in two patients due to confusion with nevi ; however, perivascular infiltrates were reported in both cases and short fungal filaments could be found on the stratum corneum.


Hortein, a new natural product from the fungus Hortaea werneckii associated with the sponge Aplysina aerophoba. Google cookies and technologies Google Analytics: The identification of the H.

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The growth impairment of salinized fenugreek Trigonella foenum-graecum L. A case of tinea nigra palmaris in Okinawa, Japan.

The information is depersonalized and is displayed as numbers, meaning it cannot be traced back to individuals. Modification of surface properties of biomaterials influences the ability of Candida albicans to form biofilms. The mycological and molecular study of Hortaea werneckii isolated from blood and splenic abscess. This species is the agent of tinea nigra which is a rarely diagnosed superficial wereckii in Europe. Wernsckii name Classification Type name Basionym Obligate or homotypic synonyms Anamorph synonyms Teleomorph synonyms Facultative or heterotypic synonyms Type of organism.

Symptoms include hyperchromic plaques, in which the fungus may or may not live in commensalism with other organisms Hughes et al.

Tinea nigra by Hortaea werneckii, a report of 22 cases from Mexico

Polymerase chain reaction-mediated genotyping of Hortaea werneckiicausative agent of tinea nigra. Eleven cases were treated with Whitfield ointment. Bilateral tinea nigra plantaris and tinea nigra plantaris mimicking melanoma. Hortaea werneckiipolyethylene plasticscuba gortaeasilicone rubbertinea nigra.

Archives of Dermatology Most cases are unilateral but also bilateral infections can be observed Tseng et al. The disorder has longtime been hortara as an infection and therefore Hortaea werneckii was classified as a BioSafety Level 2 organism Anon Citing articles via Web of Science 2.

Pairwise identification Polyphasic identification. These yeasts were unambiguously identified by phenotypic and genotypic methods.

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The species almost exclusively causes tinea nigra on one or on both hands, sometimes causing similar lesio Most cases resolve with only keratinolytic agents like wwrneckii, salicylic acid and Whitfield ointment, applied once or twice a day Sayegh-Carreno et al. Author information Copyright and License information Disclaimer.


High diversity of Candida glabrata in a tertiary hospital—Mwanza, Tanzania. Selected sequences of H.

Apart from these hybridization events, no signs hortqea sexual reproduction hirtaea found. Given the taxonomic uncertainties mentioned above, confirmation of identification with microbiological and molecular tests is compulsory.

No teleomorph of this fungus has been found. The fungus is lipophilic, adhering to the stratum corneum and it does not extend below this level [ 7 ].

In this paper, we describe the unexpected occurrence of this fungus on this special equipment usually used in close contact with human skin and mucous membranes. Tinea corporis, tinea cruris, tinea nigra, and piedra. Using Google Analytics, we can see horrtaea content is popular on our websites. The authors alone are responsible for the content and the writing of the paper.

In twelve cases, adults were involved, in 10, children. Swiss Agency for the Environment, Forests and Landscape. Dermoscopy in the diagnosis of tinea nigra plantaris.

As long as its identity with the type of S. The melanized, polymorphic and yeast-like fungus Hortaea werneckii may be difficult to recognize by morphological characters.