First Identification of Emerging Pathogenic Yeast in <i>Clogmia albipunctata</i> (Diptera: Psychodidae) at a Brazilian Hospital

Psychodinae (Diptera: Psychodidae), commonly known as “drain flies”, are a subfamily of insects adapted to environments modified by humans. While often regarded as harmless, it has been reported that they may carry pathogenic microorganisms, contributing to hospital environmental contamination and p...

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Main Authors: Kéren Vieira-Alcântara, Thiago Pavoni Gomes Chagas, Gisela Lara da Costa, Tatiane Nobre Pinto, Manoel Marques Evangelista Oliveira, Viviane Zahner
Format: Article
Language:English
Published: MDPI AG 2024-12-01
Series:Microorganisms
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Online Access:https://www.mdpi.com/2076-2607/12/12/2520
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author Kéren Vieira-Alcântara
Thiago Pavoni Gomes Chagas
Gisela Lara da Costa
Tatiane Nobre Pinto
Manoel Marques Evangelista Oliveira
Viviane Zahner
author_facet Kéren Vieira-Alcântara
Thiago Pavoni Gomes Chagas
Gisela Lara da Costa
Tatiane Nobre Pinto
Manoel Marques Evangelista Oliveira
Viviane Zahner
author_sort Kéren Vieira-Alcântara
collection DOAJ
description Psychodinae (Diptera: Psychodidae), commonly known as “drain flies”, are a subfamily of insects adapted to environments modified by humans. While often regarded as harmless, it has been reported that they may carry pathogenic microorganisms, contributing to hospital environmental contamination and potentially playing a role in healthcare-associated infections. This study aimed to investigate drain flies in a hospital setting to assess their role in carrying microbial pathogens. Twenty-six drain flies were collected from a tertiary hospital using sterile tubes and processed within two hours. The insects were identified as <i>Clogmia albipunctata</i> (Williston, 1893). Whole-body macerates were cultured on EMB media, and fungal isolates were identified using MALDI-TOF MS and ITS region sequencing. The emergent pathogen <i>Trichosporon asahii</i> was isolated, highlighting the potential role of <i>C. albipunctata</i> as a mechanical vector of fungal pathogens associated with HAIs. These findings underscore the importance of monitoring drain flies as part of infection prevention and control strategies in healthcare settings.
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issn 2076-2607
language English
publishDate 2024-12-01
publisher MDPI AG
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series Microorganisms
spelling doaj-art-f29843d8633c41fba7ef3626b3913e9d2024-12-27T14:41:26ZengMDPI AGMicroorganisms2076-26072024-12-011212252010.3390/microorganisms12122520First Identification of Emerging Pathogenic Yeast in <i>Clogmia albipunctata</i> (Diptera: Psychodidae) at a Brazilian HospitalKéren Vieira-Alcântara0Thiago Pavoni Gomes Chagas1Gisela Lara da Costa2Tatiane Nobre Pinto3Manoel Marques Evangelista Oliveira4Viviane Zahner5Laboratório de Simulídeos e Oncocercose & Entomologia Médica e Forense, Oswaldo Cruz Instituto, Fiocruz, Avenida Brasil 4365, Manguinhos, Rio de Janeiro 21040-360, BrazilDepartamento de Patologia, Faculdade de Medicina, Universidade Federal Fluminense, Niterói 24220-008, BrazilLaboratory of Taxonomy, Biochemistry and Bioprospecting of Fungi, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro 21040-360, BrazilLaboratory of Taxonomy, Biochemistry and Bioprospecting of Fungi, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro 21040-360, BrazilLaboratory of Taxonomy, Biochemistry and Bioprospecting of Fungi, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro 21040-360, BrazilLaboratório de Simulídeos e Oncocercose & Entomologia Médica e Forense, Oswaldo Cruz Instituto, Fiocruz, Avenida Brasil 4365, Manguinhos, Rio de Janeiro 21040-360, BrazilPsychodinae (Diptera: Psychodidae), commonly known as “drain flies”, are a subfamily of insects adapted to environments modified by humans. While often regarded as harmless, it has been reported that they may carry pathogenic microorganisms, contributing to hospital environmental contamination and potentially playing a role in healthcare-associated infections. This study aimed to investigate drain flies in a hospital setting to assess their role in carrying microbial pathogens. Twenty-six drain flies were collected from a tertiary hospital using sterile tubes and processed within two hours. The insects were identified as <i>Clogmia albipunctata</i> (Williston, 1893). Whole-body macerates were cultured on EMB media, and fungal isolates were identified using MALDI-TOF MS and ITS region sequencing. The emergent pathogen <i>Trichosporon asahii</i> was isolated, highlighting the potential role of <i>C. albipunctata</i> as a mechanical vector of fungal pathogens associated with HAIs. These findings underscore the importance of monitoring drain flies as part of infection prevention and control strategies in healthcare settings.https://www.mdpi.com/2076-2607/12/12/2520mechanical vectorshospital associated infectionsone healthdrain flyfungi
spellingShingle Kéren Vieira-Alcântara
Thiago Pavoni Gomes Chagas
Gisela Lara da Costa
Tatiane Nobre Pinto
Manoel Marques Evangelista Oliveira
Viviane Zahner
First Identification of Emerging Pathogenic Yeast in <i>Clogmia albipunctata</i> (Diptera: Psychodidae) at a Brazilian Hospital
Microorganisms
mechanical vectors
hospital associated infections
one health
drain fly
fungi
title First Identification of Emerging Pathogenic Yeast in <i>Clogmia albipunctata</i> (Diptera: Psychodidae) at a Brazilian Hospital
title_full First Identification of Emerging Pathogenic Yeast in <i>Clogmia albipunctata</i> (Diptera: Psychodidae) at a Brazilian Hospital
title_fullStr First Identification of Emerging Pathogenic Yeast in <i>Clogmia albipunctata</i> (Diptera: Psychodidae) at a Brazilian Hospital
title_full_unstemmed First Identification of Emerging Pathogenic Yeast in <i>Clogmia albipunctata</i> (Diptera: Psychodidae) at a Brazilian Hospital
title_short First Identification of Emerging Pathogenic Yeast in <i>Clogmia albipunctata</i> (Diptera: Psychodidae) at a Brazilian Hospital
title_sort first identification of emerging pathogenic yeast in i clogmia albipunctata i diptera psychodidae at a brazilian hospital
topic mechanical vectors
hospital associated infections
one health
drain fly
fungi
url https://www.mdpi.com/2076-2607/12/12/2520
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