International Journal For Multidisciplinary Research

E-ISSN: 2582-2160   •   Impact Factor: 9.24

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Spatial Analysis of Airborne Fungal Diversity in a Microbiology Teaching Unit: A Cross-Sectional Study Using the Settle Plate Method

Author(s) Dr. Saizy Singh Arora, Deeksha Kumari, Sumit Srivastava
Country India
Abstract Background: Indoor air comprises a complex mixture of microorganisms, including fungi, bacteria, viruses, and their associated microbial organic compounds. Over 600 fungal species are linked to humans, some of which can cause serious infections, particularly in immunocompromised individuals. Airborne transmission is the primary route for fungal infections, contributing to a variety of health problems since fungal spores can be toxic, allergenic, or infectious. In Ayurvedic literature, microorganisms—both micro and macro forms are collectively described as Krimi. Acharya Dalhana notes that these pathogens are innumerable and play a critical role in disease development, especially when environmental hygiene is poor. This institution based cross-sectional observational study, conducted in Chandigarh from July–September 2025, assessed the presence and load of various fungal spores within the microbiology teaching unit of an Ayurvedic college. Objective: To identify and describe the diversity of airborne fungi present in different sections of a microbiology teaching unit. Method: The open-plate technique was used to collect and culture airborne fungi from multiple locations within the microbiology laboratory. Two culture media were used: Sabouraud Dextrose Agar (SDA) and Potato Dextrose Agar (PDA). A total of 10 plates were prepared, with five plates each containing SDA (Sabouraud Dextrose Agar) and PDA (Potato Dextrose Agar ) media. Plates were exposed in an open state for 30 minutes at ten distinct sites in the lab, then closed and incubated at 27℃ for 21 days. Results: The maximum fungal growth was observed on plate exposed to window sill, followed by those near shoe rack, glassware and discard areas, within the first seven days. Other sites exhibited little to no growth even after 21 days. Aspergillus and Penicillium species appeared more frequently than other unidentified fungal species. Conclusion: The study confirms a diverse range of fungal spores in the laboratory environment, most of which are non-pathogenic. However, elevated fungal loads may increase risk of infections and allergic reactions among laboratory staff and healthcare professionals, underscoring the need for stringent sterilization practices to maintain hygiene standards.
Keywords Aspergillus, Penicillium, Ayurveda, Krimi, fumigation
Published In Volume 8, Issue 1, January-February 2026
Published On 2026-01-11
DOI https://doi.org/10.36948/ijfmr.2026.v08i01.66286
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E-ISSN 2582-2160
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