New Insights on Transmission of Sporothrix brasiliensis.

IF 4.1 2区医学 Q1 DERMATOLOGY

Mycoses Pub Date : 2025-03-01 DOI:10.1111/myc.70047

Regielly C R Cognialli, Flávio Queiroz-Telles, Alyson M Cavanaugh, Bruno C Rediguieri, Giovanna C D Santos, Felipe Moreira Matias, Luciano Moreira Filho, Elias N Monteiro Neto, Mônica Surek, Vânia A Vicente, Izabella C R Santos-Weiss

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引用次数: 0

Abstract

Background: Sporotrichosis is the most prevalent saprozoonotic implantation mycosis worldwide.

Objectives: A prospective experimental study was performed to evaluate persistence on surfaces such as stainless steel medium-density fiberboard (MDF) wood, tile, and polyester fabric.

Methods: The different surfaces were homogeneously contaminated using the yeast phase of Sporothrix brasiliensis. Fungal culture was carried out in triplicate on Mycosel agar, at time 0 and then every 24 h, until 792 h (33 days).

Results: Sporothrix brasiliensis persists on MDF wood for up to 240 h (10 days), tile for 288 h (12 days), polyester fabric for 384 h (16 days), and stainless steel for up to 600 h (25 days).

Conclusions: Based on these findings, in concordance with published clinical reports suggesting fomite transmission, we propose an updated schematic of S. brasiliensis transmission. This is the first in vitro study about the persistence of S. brasiliensis on different surfaces, which is essential to understand transmission routes for a One Health Approach.

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巴西孢子丝虫传播的新认识。

背景：孢子虫病是世界上最常见的腐生人畜共患植入性真菌病。目的：进行了一项前瞻性实验研究，以评估不锈钢中密度纤维板（MDF）木材、瓷砖和聚酯织物等表面的持久性。方法：采用巴西孢子丝菌酵母菌期对不同表面进行均匀污染。在Mycosel agar上进行三次真菌培养，第0次，然后每24 h进行一次，直到792 h（33天）。结果：巴西孢子丝菌在中密度纤维板（MDF）上可存活240小时（10天），在瓷砖上可存活288小时（12天），在涤纶织物上可存活384小时（16天），在不锈钢上可存活600小时（25天）。结论：基于这些发现，与已发表的有关巴西棘球蚴传播的临床报告一致，我们提出了一个更新的巴西棘球蚴传播示意图。这是第一个关于巴西孢子虫在不同表面上持久性的体外研究，这对于理解“同一个健康”方法的传播途径至关重要。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Mycoses 医学-皮肤病学

CiteScore

10.00

自引率

8.20%

发文量

143

审稿时长

6-12 weeks

期刊介绍： The journal Mycoses provides an international forum for original papers in English on the pathogenesis, diagnosis, therapy, prophylaxis, and epidemiology of fungal infectious diseases in humans as well as on the biology of pathogenic fungi. Medical mycology as part of medical microbiology is advancing rapidly. Effective therapeutic strategies are already available in chemotherapy and are being further developed. Their application requires reliable laboratory diagnostic techniques, which, in turn, result from mycological basic research. Opportunistic mycoses vary greatly in their clinical and pathological symptoms, because the underlying disease of a patient at risk decisively determines their symptomatology and progress. The journal Mycoses is therefore of interest to scientists in fundamental mycological research, mycological laboratory diagnosticians and clinicians interested in fungal infections.