Indoor wet cells as a habitat for melanized fungi, opportunistic pathogens on humans and other vertebrates

Scientific Reports
Xiaofang WangSybren de Hoog

Abstract

Indoor wet cells serve as an environmental reservoir for a wide diversity of melanized fungi. A total of 313 melanized fungi were isolated at five locations in Guangzhou, China. Internal transcribed spacer (rDNA ITS) sequencing showed a preponderance of 27 species belonging to 10 genera; 64.22% (n = 201) were known as human opportunists in the orders Chaetothyriales and Venturiales, potentially causing cutaneous and sometimes deep infections. Knufia epidermidis was the most frequently encountered species in bathrooms (n = 26), while in kitchens Ochroconis musae (n = 14), Phialophora oxyspora (n = 12) and P. europaea (n = 10) were prevalent. Since the majority of species isolated are common agents of cutaneous infections and are rarely encountered in the natural environment, it is hypothesized that indoor facilities explain the previously enigmatic sources of infection by these organisms.

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Citations

Apr 18, 2020·Journal of Water and Health·Katarzyna GóralskaMagdalena Dzikowiec
Jun 14, 2020·Applied Microbiology and Biotechnology·Monika Novak BabičNina Gunde-Cimerman
Aug 7, 2021·Critical Reviews in Microbiology·Maryam RoudbaryCélia F Rodrigues

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Methods Mentioned

BETA
PCR

Software Mentioned

DNAStar
blast
SPSS
Seqman package
Statistical Product and Service Solutions ( SPSS

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