Abstract
The co-occurrence of airborne allergenic pollen grains and fungal spores was estimated in Rzeszów in the years 2000-2002. The volumetric method was used in this aerobiological study. Six taxa of pollen grains and five types of fungal spores characterized by strong allergenicity and/or high concentrations in the air were analyzed. The time series of pollen grains and fungal spores were compared using PCA analysis. The periods of the greatest concentrations of tree pollen did not coincide with similar periods for herbaceous plants and fungal spores. From February to mid-March, <i>Alnus</i> pollen dominated in the air. The second period was characterized by <i>Betula</i> pollen. It occurred in April. Herbaceous pollen and fungal spores occurred in the air simultaneously (from mid May to the end of August), creating a risky situation for sensitized people. The periods of the highest concentrations of <i>Epicoccum</i> and <i>Ganoderma</i> fungal spores did not coincide with the same period for the examined plant taxa. In Rzeszów the probability of becoming exposed to very high concentrations of allergenic pollen and fungal spores at the same time was high, especially in July, when the highest concentrations of Poaceae, <i>Alternaria</i> and <i>Cladosporium</i> were noted. The hypersensitivity to only one plant or fungal allergen is rarely encountered. Under the present scenarios of global warming, pollen seasons of many taxa will be longer and sufferers will have year-long symptoms.
Highlights
Viruses, bacteria, yeasts, fungal spores, pollen belong to particles naturally occurring in air, but from the point of view of medicine they can be regarded as bioaerosol (Adams, 1964; Corden et al 2003; Weryszko - Chmielewska and Piotrowska, 2004; Bugajny et al 2005; Myszkowska, 2006; Kasprzyk, 2006; Smith et al 2007)
Six taxa of pollen grains and five types of fungal spores characterized by strong allergenicity and/or high concentrations in the air were analyzed
Alder (Alnus) pollen showed the greatest variability in the dates and length of atmospheric seasons and the number of days above the threshold value
Summary
Bacteria, yeasts, fungal spores, pollen belong to particles naturally occurring in air, but from the point of view of medicine they can be regarded as bioaerosol (Adams, 1964; Corden et al 2003; Weryszko - Chmielewska and Piotrowska , 2004; Bugajny et al 2005; Myszkowska , 2006; Kasprzyk , 2006; Smith et al 2007). These particles occur in the atmosphere during almost all year and affect human health (Emeryk et al 2004; Atkinson et al 2006). About 70 fungal allergens have been approved (Kurup et al 2002; B u s h and Portnoy , 2001)
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