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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Only one patient in our study, presented with erythema, also reported moderate itching as was noted in other studies Hughes et al. Another isolate came from a case of tinea nigra Crous et al.

The patients received topical treatment with Whitfield ointment, ketoconazole, bifonazole, or terbinafine.

The two cases located on the plantar region were also informative, as they concerned patients with the habit of running barefoot along the seaside, an environment horyaea high salinity and probably the natural niche of the fungus. The present article is a retrospective report of cases of tinea nigra, its epidemiological, clinical, and therapeutic features, as well as a review of the disorder.

Silicone rubber is generally non-reactive, stable, biologically inert and resistant to extreme environments and temperatures and wereckii 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.

Most topical antifungals are also effective. As long as its identity wernecoii the type of S. Hortaea, a new genus to accommodate Cladosporium werneckii. Fungal infection and mesomycetozoea B35—B49— The prevalence and clinical significance of microcolonies when tested according to contemporary interpretive breakpoints for fluconazole against Candida species using E-test.


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Open the calendar popup. No other cookies than the ones mentioned above are used on our websites. We evaluate retrospectively twenty-two confirmed cases of tinea nigra from a total of eleven yr — and discuss the epidemiology, clinical features and treatment of this disease. These cookies allow us to see information on user website hhortaea including, but not limited to page views, source and time spent on a website.

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Feuilhade de Chauvin M Despite this, phylogenetic analyses and linkage disequilibrium analyses indicate that H. You must attribute the work in the manner specified by the author or licensor but not in any way that suggests that they endorse you or your use of the work.

Abstract Tinea nigra is a superficial mycosis caused by Hortaea werneckii. Most typically, it affects palms of hands but is occasionally found on other parts of the body. Symptoms include hyperchromic plaques, in which the fungus werneeckii or may not live in commensalism with other organisms Hughes et al. A case of tinea nigra palmaris in Okinawa, Japan.

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. No teleomorph of this fungus has been found. Two isolates were recovered from two silicone skirts of scuba diving masks Hw1 and Hw2one from a strap of a mask Hw3one from a mouthpiece of a snorkel Hw4 and two from the hortaeq bag one from the bag [Hw5] and one from the bag handles [Hw6].

Hortaea werneckii

You can prevent the information generated by the Google cookie about your use of our Sites from being collected and processed by Google in the future by downloading and installing Google Analytics Opt-out Browser Add-on for your current web browser. Tinea nigra is a superficial mycosis extremely uncommon in Spain [ 4 ], as well as being rare in Europe.


A homothallic hortqea locus was found in all sequenced genomes, although one of the mating genes may have been inactivated in some strains.

Swiss Agency for the Environment, Forests and Landscape. Osmotic adaptation of the halophilic fungus Hortaea werneckii: Predisposing factors associated with the condition are hyperhydrosis Severo et al.

If you would like to know more about cookies and how they work, please visit www. The mycological and molecular study of Hortaea werneckii isolated from blood and splenic abscess.

Tinea nigra secondary to Exophiala werneckii responding to itraconazole.

Antonie van Leeuwenhoek Nutritional pattern and eco-physiology of Hortaea werneckiiagent of human tinea nigra. Tinea nigra by Hortaea werneckiia report of 22 cases from Mexico. Two patients were not treated with any medication due to uncertain initial diagnosis, but presented spontaneous cure was achieved within about two mos. You are free to share – to copy, distribute hodtaea transmit the work, wernfckii the following conditions: Similarly, fungi that colonize silicone masks, straps and snorkel mouthpieces could gain access by skin and mucous membranes maceration or through the respiratory system during scuba diving activities.