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Centro de Investigaciones Regionales Dr. Hideyo Noguchi, Universidad Autónoma de Yucatán

2022, Number 2

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Rev Biomed 2022; 33 (2)

Spatiotemporal distribution of fungi of clinical importance in the environment of two states of northern Mexico

Macias-Corral MA, González-Martínez MR, González-García DA, Sánchez-Cohen I

Language: Spanish
References: 21
Page: 70-78
PDF size: 525.92 Kb.


ABSTRACT

Introduction. Some fungi species present in the environment can have serious implications in human health, particularly in persons with a compromised immune system. It has been reported that invasive and endemic mycosis present temporal and geographic variations and are influenced by global climate changes.
Objective. To determine the spatiotemporal variability of fungi of importance in public health present in the environment of a region in northern Mexico.
Material and methods. Air sampling was conducted at 18 urban and rural sites located in Durango and Coahuila at three seasons. A single-stage impactor was used and Petri dishes with dextrose Sabouraud agar supplemented with antibiotics were used. Climate data was obtained from the NASA’s Giovanni database.
Results. Predominant fungi in Durango were Bipolaris, Cladosporium and Aspergillus fumigatus which had a cumulative importance index of 50% while in Coahuila were Aspergillus niger, A. fumigatus, Alternaria and Bipolaris. Sites located in Coahuila recorded a larger precipitation amount in dates closer to sampling but compared to Durango’s, the cumulative amount was less. Ambient temperature also influenced the type of fungi found.
Conclusion. Identifying fungi genera can be useful to health professionals for diagnosis and decision-making regarding mycotic diseases and respiratory allergies by having specific knowledge about those predominant in a specific area.


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