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Mesoscale Atmospheric Transport of Ragweed Pollen Allergens from Infected to Uninfected Areas

Grewling, Ł. and Bogawski, P. and Jenerowicz, D. and Czarnecka-Operacz, M. and Šikoparija, B. and Skjøth, C. and Smith, Matt (2016) Mesoscale Atmospheric Transport of Ragweed Pollen Allergens from Infected to Uninfected Areas. International Journal of Biometeorology, 60 (10). pp. 1493-1500. ISSN Print: 0020-7128 Online: 1432-1254

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Abstract

Allergenic ragweed (Ambrosia spp.) pollen grains, after being released from anthers, can be dispersed by air masses far from their source. However, the action of air temperature,humidity and solar radiation on pollen grains in the atmosphere could impact on the ability of long distance transported (LDT) pollen to maintain allergenic potency. Here, we report that the major allergen of Ambrosia artemisiifolia pollen (Amb a 1) collected in ambient air during episodes of LDT still have immunoreactive properties. The amount of Amb a 1 found in LDT ragweed pollen grains was not constant and varied between episodes. In addition to allergens in pollen sized particles, we detected reactive Amb a 1 in subpollen sized respirable particles. These findings suggest that ragweed pollen grains have the potential to cause allergic reactions, not only in the heavily infested areas but, due to LDT episodes, also in the regions unaffected by ragweed populations.

Item Type: Article
Additional Information:

Originally deposited as National Pollen and Aerobiology Research Unit (NPARU)

Uncontrolled Keywords: airborne allergens, Amb a 1, Ambrosia, pollen allergy, subpollen sized respirable particles
Subjects: Q Science > Q Science (General)
Divisions: Academic Departments > Institute of Science and the Environment
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Copyright Info: Open Access journal article
Depositing User: Carsten Skjoth
Date Deposited: 09 Feb 2016 08:34
Last Modified: 04 Jan 2017 10:33
URI: https://eprints.worc.ac.uk/id/eprint/4140

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