Variability in protein content of pollen of Castor bean (Ricinus communis) before and after exposure to the air pollutants SO and NO

Amaranthus species around Bangkok, Thailand and the release of allergenic proteins from their pollens

“…18 The observed variation in protein profiles could be due to variation in environmental factors and/or sensitivity of the analysis. 19,20 Natural pollen is rehydrated immediately upon contact with wet surface, which can lead to pollen wall rupture and protein release from pollen. 10 Grass pollen allergens had been shown to localize in the cytoplasm and were released when pollen grains ruptured in water.…”

Effect of vehicular traffic on pollen size and viability of Apocynaceous plant species

“…The mature pollen grains which are released from the flower buds are dry and while absorbing humidity from the ambient air, they also absorb some contaminants which influence their viability hence, plant's reproductive system (Kaur et al 2016). Due to lipophilic nature of pollen and its exine surface stiffness, gaseous/particulate and organic/non-organic pollutants generally get accumulated inside it and resulting in a decrease in their size and different morphological deformities (Bist et al 2004). Pollen, being sensitive indicators of air pollution, can provide interesting and useful information about the adverse effects of air pollution on living systems (Gottardini et al 2004, Noori et al 2009, Yousefi et al 2011, Kaur et al 2016.…”

Allergens and Toxins from Oleaginous Plants: Problems and Solutions

“…In Singh & Kumar in 2003 demonstrated, quantitatively and qualitatively, the prevalence of pollens in the region of India, noting that, among other aeroallergens, there is a significant distribution of castor bean pollen in this area. Knowing also that air pollution has been described as an important factor for the recent increase in the incidence of respiratory diseases and that the air carries many grains of pollen, the work done by Bist et al in 2004 observed a variability of castor bean pollen protein before and after exposure to air pollutants.…”