HORTAEA WERNECKII PDF

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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Run Zhang 1 and Dr. The authors alone are responsible for the content and the writing of the paper.

A homothallic mating locus was found in all sequenced genomes, although one of the mating genes may have been inactivated in some strains. This yeast has been also found in beach soil from the Canary Islands [ 14 ] and as a contaminant of an Amazonian salted fish causing food spoilage [ 15 ].

Tinea nigra by Hortaea werneckiia report of 22 cases from Mexico. Silicone rubber is generally non-reactive, stable, biologically inert 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. 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 with high salinity and probably the natural niche of the fungus.

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Silicone rubber is also used to make the skirts and straps on most modern scuba diving masks.

Sequences ohrtaea Penidiella venezuelensis CBS Samples were transported to the laboratory within one day of collection where the 32 specimens were screened for the presence of H.

Hortaea werneckii is a halophilic saprobe which occurs in natural saltpans [ 1 ] being the dominant species in hypersaline evaporation ponds [ 8 ].

It has been proven that the natural habitat of the fungus comprises hypersaline environments due to its halophilic behaviour Zalar et al. Abstract During a survey of black yeasts of marine origin, some isolates of Hortaea werneckii were recovered from scuba diving equipment, such as silicone masks and snorkel mouthpieces, which had been kept under poor storage conditions.

CPMexico Find articles by R. Relationships of dothideaceous black yeasts and merismatic fungi based on 5.

They are initially black with a creamy appearance and later become filamentous. We have also screened other environmental samples for the presence of H. Japanese Journal of Medical Mycology. Micrograph of the fungus Hortaea werneckii. In view of generating a retrospective report, various types of treatment were applied Table werneckki.

CPMexico Find articles by L. In our study, isolates of H. For any reuse or distribution, you must make clear to others the wsrneckii terms of this work, which can be found at http: It is considered a commensal that shows lipophilic adhesion to human skin and survives by the assimilation of excretion products [ 32 ].

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By using this site, you agree to the Terms of Use and Privacy Policy. Occurrence of Exophiala hortaeaa on salted freshwater fish Osteoglossum bicirrhosum. These clustered with sequences of H. Most reports originate from tropical, humid climate zones. Given the taxonomic uncertainties mentioned above, confirmation of identification with microbiological and molecular tests is compulsory.

Specific oligonucleotide primers for identification of Hortaea werneckiia causative agent of tinea nigra.

Hortaea werneckii | Mycology Online

Hortaea werneckii Horta Nishim. The hortada impairment of salinized fenugreek Trigonella foenum-graecum L. This species is the agent of tinea nigra which is a rarely diagnosed superficial mycosis in Europe. Comparison of the ITS However, the isolation of H. Differential diagnosis is essential, due to the extremely different prognosis of the various conditions.

Sequence alignments were performed using the software program Clustal X v1.

Hortaea werneckii

Fungous diseases of men and other mammals: Hortaea werneckii Horta Nishim. Studies in Mycology 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. Rhizopus oryzae Mucor indicus Lichtheimia corymbifera Syncephalastrum racemosum Apophysomyces variabilis.