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Northwest Iranian dermatophyte isolates: anthropophilic and geophilic.
Curr Med Mycol
May 2024
Department of Mycology and Parasitology, School of Medicine, Urmia University of Medical Sciences, Urmia, Iran.
Background And Purposes: The fungi known as dermatophytes are a group of keratinophilic agents responsible for superficial infections in humans and animals. Recognition of the species distribution and epidemiology of dermatophytosis may be helpful in the prevention and improve prophylactic measures. The present molecular epidemiology study sought to investigate the incidence of etiological agents causing dermatophytosis.
View Article and Find Full Text PDFMolecular epidemiology of dermatophytosis in Golestan, Iran: A cross-sectional study.
Microb Pathog
December 2024
Invasive Fungi Research Center, Communicable Diseases Institute/Department of Medical Mycology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran. Electronic address:
Keratinophilic fungi, or dermatophytes, are recognized as the predominant fungal agents responsible for superficial skin diseases globally. The identification of species of dermatophytes is crucial for both therapeutic and epidemiological considerations. The primary objective of the present study was to investigate the epidemiology of dermatophytosis among patients who sought medical attention at the medical mycology laboratory in Golestan province.
View Article and Find Full Text PDFChemical composition of anti-microbially active fractions derived from extract of filamentous fungus Keratinophyton Lemmensii including three novel bioactive compounds.
Sci Rep
October 2024
Core Facility Bioactive Molecules, Screening and Analysis and Research Platform Bioactive Microbial Metabolites (BiMM), Konrad Lorenz Strasse 24, 3430, Tulln an der Donau, Austria.
Screening for new bioactive microbial metabolites, we found a novel okaramine derivative, for which we propose the trivial name lemmokaramine, as well as two already known okaramine congeners - okaramine H and okaramine J - responsible for antimicrobial activity of the recently described microscopic filamentous fungus, Keratinophyton lemmensii BiMM-F76 (= CCF 6359). In addition, two novel substances, a new cyclohexyl denominated lemmensihexol and a new tetrahydroxypyrane denominated lemmensipyrane, were purified and characterized. The compounds were isolated from the culture extract of the fungus grown on modified yeast extract sucrose medium by means of flash chromatography followed by preparative HPLC.
View Article and Find Full Text PDFConstruction of artificial microbial consortia for efficient degradation of chicken feathers and optimization of degradation conditions.
World J Microbiol Biotechnol
August 2024
Institute of Fungus Resources, Department of Ecology/Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region (Ministry of Education), College of Life Sciences, Guizhou University, Guiyang, 550025, Guizhou, China.
Microbes within a consortium exhibit a synergistic interaction, enhancing their collective capacity to perform functions more effectively than a single species, especially in the degradation of keratin-rich substrates. To achieve a more stable and efficient breakdown of chicken feathers, a comprehensive screening of over 9,000 microbial strains was undertaken. This meticulous selection process identified strains with the capability to degrade keratin effectively.
View Article and Find Full Text PDFDetection of terbinafine-resistant Trichophyton indotineae isolates within the Trichophyton mentagrophytes species complex isolated from patients in Hue City, Vietnam: A comprehensive analysis.
Med Mycol
August 2024
Institute of Biomedicine, Hue University of Medicine and Pharmacy, Hue University, 06 Ngo Quyen Street, 49000 Hue City, Vietnam.
Article Synopsis
- The Trichophyton mentagrophytes complex includes dermatophyte fungi that cause skin infections, with a rising concern of drug resistance, especially in Trichophyton indotineae, which shows terbinafine resistance.
- A study in Hue City, Vietnam analyzed these fungi's characteristics and antifungal susceptibilities, revealing that 24% of superficial mycoses were linked to this complex, predominantly identifying T. interdigitale genotype II.
- While the fungi were generally sensitive to itraconazole and voriconazole, about 50% of T. indotineae isolates were resistant to terbinafine due to a specific mutation, highlighting the urgent need for better strategies to combat drug resistance in dermatology.
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