Abstract
Abstract Pure pollen grains of Ulmus pumila, Quercus rubra, Pinus taeda, and Festuca elatior were used as a biological screen to test the effects of certain commonly occurring atmospheric pollutants on pollen wall protein. The pollen grain samples were collected aseptically and contaminated with the gaseous pollutants NO2 (nitrogen dioxide), SO2 (sulphur dioxide)J, and CO (carbon monoxide). After the extracts were analyzed by disk gel electrophoresis, the results indicate that apparent changes occur in the quality of the contaminated pollen wall proteins.
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