NDLI: Atmospheric microfungal biopollution in city houses of hosur, a industrial city of Tamilnadu, India

Content Provider	IEEE Xplore Digital Library
Author	Nanda, A. Raghavan, M.
Copyright Year	2011
Description	Author affiliation: Department of Biomedical Engineering, Sathyabama University, Chennai-119, INDIA (Nanda, A.) \|\| Department of Microbiology, M. G. R. College, Hosur- 635109, T.N., India (Raghavan, M.)
Abstract	Microfungi are the main source of aero-biopollution in extra and intramural environment of most of the places worldwide. Their occurrence in the environments leads to different allergenic diseases viz., allergic asthma, bronchitis, rhinitis, and hay fever in the atopic human beings. The present study is an attempt to record the incidence and seasonal periodicity of airborne fungal spores in indoors and outdoors of an industrial city house, Hosur, Tamilnadu by Petri-plate settlement method from October 2009 to September 2010. In qualitative and quantitative way, fungal spores considerably varied from indoors to outdoors as well as from season to season. Outdoor air harbored maximum fungal spores (54%) in comparison to indoor air (48%). Incidence of fungal species was predominated with more number of propagules during mid winter (December) and early rainy (July) periods in comparison to other months. Qualitatively, Aspergillus was found with the highest frequency and had eleven members i.e., A. awamori, A. fumigatus, A. niger, A. flavus, A. flavipes, A. nidulans, A. ochraceous, A. japonicus, A. terreus, A. versicolor and A. wentii, but quantitatively, Penicillium was isolated highest in its contribution to total CFUs followed by Aspergillus. Out of the 32 isolated fungal taxa, Aspergillus fumigatus, A. awamori, A. niger, Rhizopus stolonifer and Alternaria alternata were the predominant aeroallergens, which cause different types of respiratory/lung diseases in atopic human beings. In seasonal periodicity, winter contributedthe maximum spore load followed by rainy and summer was found with the least in harboring the spore mass in the indoors and outdoors. Alternaria alternata, which is accounted as a human allergen for sporosis inducer and an agent for hay fever and other pathologies, was also intermittently recorded. A few plant pathogenic, saprophytic, field and storage fungi were also recorded during the study period. Effect of meteorological parameters on the fungal spores in the dwelling atmosphere was significantly assessed by Pearson's correlation coefficient analysis.
Starting Page	230
Ending Page	237
File Size	1482956
Page Count	8
File Format	PDF
ISBN	9781467301794
e-ISBN	9781467301787
DOI	10.1109/GTEC.2011.6167674
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-12-15
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Humidity Cities and towns Biopollution Colon Cotton Pearson's correlation coefficient Periodic structures Immune system Industrial city House
Content Type	Text
Resource Type	Article

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