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Shams-Ghahfarokhi M, Aghaei-Gharehbolagh S, Aslani N, et al. Investigation on distribution of airborne fungi in outdoor environment in Tehran, Iran. J Environ Health Sci Eng. 2014;12(1):54doi: 10.1186/2052-336X-12-54.
Shams-Ghahfarokhi, M., Aghaei-Gharehbolagh, S., Aslani, N., & Razzaghi-Abyaneh, M. (2014). Investigation on distribution of airborne fungi in outdoor environment in Tehran, Iran. Journal of environmental health science & engineering, 12(1), 54. https://doi.org/10.1186/2052-336X-12-54
Shams-Ghahfarokhi, Masoomeh, et al. "Investigation on distribution of airborne fungi in outdoor environment in Tehran, Iran." Journal of environmental health science & engineering vol. 12,1 (2014): 54. doi: https://doi.org/10.1186/2052-336X-12-54
Shams-Ghahfarokhi M, Aghaei-Gharehbolagh S, Aslani N, Razzaghi-Abyaneh M. Investigation on distribution of airborne fungi in outdoor environment in Tehran, Iran. J Environ Health Sci Eng. 2014 Mar 03;12(1):54. doi: 10.1186/2052-336X-12-54. PMID: 24588901; PMCID: PMC3974021.
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J Environ Health Sci Eng. 2014 Mar 03;12(1):54. doi: 10.1186/2052-336X-12-54.

Investigation on distribution of airborne fungi in outdoor environment in Tehran, Iran.

Journal of environmental health science & engineering

Masoomeh Shams-Ghahfarokhi, Sanaz Aghaei-Gharehbolagh, Narges Aslani, Mehdi Razzaghi-Abyaneh

Affiliations

  1. Department of Mycology, Faculty of Medical Sciences, Tarbiat Modares University, 14115-331 Tehran, Iran. [email protected].

PMID: 24588901 PMCID: PMC3974021 DOI: 10.1186/2052-336X-12-54

Abstract

BACKGROUND: Airborne fungi are responsible for the majority of fungal infections in humans and animals. Outdoor air markedly influences the prevalence of fungal spore levels in indoor air and thus, it is the major source of fungal infections in indoor environments especially in hospitalized individuals.

METHODS: Using a settle plate method, air sampling (1092 air samples from 93 sampling sites in 22 geographic regions of Tehran) was performed by exposing 90 mm settle plates containing Malt extract agar and Potato dextrose agar to the air for 30 min. The plates were incubated at 28°C for 2-3 weeks and examined daily for visible fungal growth. Purified fungal colonies were identified at the genus level based on morphological criteria according to standard methods.

RESULTS: A total of 6455 colonies belonging to 24 different fungal genera were isolated. Area V situated in the city center was the most contaminated region with 2523 fungal colonies (39.1%), while area IV in the West showed the least contamination rate (636 colonies; 9.8%). Airborne fungi isolated were classified into 4 classes including hyaline Hyphomycetes (53.5%), dematiaceous Hyphomycetes (41.6%), Zygomycetes (2.8%) and Coelomycetes (0.2%). Aspergillus (31.3%) was the most prominent isolated fungus followed by Cladosporium (22.1%), Penicillium (13.8%) and Alternaria (12.2%).

CONCLUSION: Our results indicate that outdoor air is a potential threat to public health because of harboring a wide array of pathogenic and allergenic airborne fungal spores which can serve as the main source of contamination of indoor environments such as homes, offices and hospitals.

References

  1. Appl Environ Microbiol. 2002 Oct;68(10):4871-5 - PubMed
  2. Environ Monit Assess. 2009 Apr;151(1-4):209-19 - PubMed
  3. Mycotoxin Res. 2000 Mar;16 Suppl 1:100-4 - PubMed
  4. J Pediatr. 1979 Jul;95(1):70-2 - PubMed
  5. Arch Microbiol. 2003 Jan-Feb;179(2):75-82 - PubMed
  6. Environ Monit Assess. 2010 Jun;165(1-4):553-8 - PubMed
  7. Appl Environ Microbiol. 2004 Nov;70(11):6394-400 - PubMed
  8. PDA J Pharm Sci Technol. 2006 Nov-Dec;60(6):350-5 - PubMed
  9. Am J Epidemiol. 1982 Sep;116(3):430-7 - PubMed
  10. Ind Health. 2010;48(2):236-43 - PubMed
  11. J Pathog. 2013;2013:493960 - PubMed
  12. Sci Total Environ. 2005 Nov 1;350(1-3):47-58 - PubMed
  13. Iran J Allergy Asthma Immunol. 2005 Dec;4(4):189-91 - PubMed
  14. J Hosp Infect. 2006 Jul;63(3):246-54 - PubMed
  15. Fungal Genet Biol. 2003 Jul;39(2):103-17 - PubMed
  16. Rev Inst Med Trop Sao Paulo. 2004 May-Jun;46(3):133-7 - PubMed
  17. Int Arch Allergy Immunol. 2008;145(1):58-86 - PubMed
  18. Sci Total Environ. 2009 Jun 1;407(12):3766-71 - PubMed
  19. Int J Environ Health Res. 2012;22(1):37-50 - PubMed
  20. Folia Microbiol (Praha). 2011 Nov;56(6):527-34 - PubMed
  21. J Investig Allergol Clin Immunol. 2006;16(6):357-63 - PubMed
  22. Infect Control. 1985 Sep;6(9):347-55 - PubMed

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