Pollen-Associated Microbiome Correlates with Pollution Parameters and the Allergenicity of Pollen

PloS One
Andrea ObersteinerMichael Schmid

Abstract

Pollen allergies have been rapidly increasing over the last decades. Many allergenic proteins and non-allergenic adjuvant compounds of pollen are involved in the plant defense against environmental or microbial stress. The first aim of this study was to analyze and compare the colonizing microbes on allergenic pollen. The second aim was to investigate detectable correlations between pollen microbiota and parameters of air pollution or pollen allergenicity. To reach these aims, bacterial and fungal DNA was isolated from pollen samples of timothy grass (Phleum pratense, n = 20) and birch trees (Betula pendula, n = 55). With this isolated DNA, a terminal restriction fragment length polymorphism analysis was performed. One result was that the microbial diversity on birch tree and timothy grass pollen samples (Shannon/Simpson diversity indices) was partly significantly correlated to allergenicity parameters (Bet v 1/Phl p 5, pollen-associated lipid mediators). Furthermore, the microbial diversity on birch pollen samples was correlated to on-site air pollution (nitrogen dioxide (NO2), ammonia (NH3), and ozone (O3)). What is more, a significant negative correlation was observed between the microbial diversity on birch pollen and the m...Continue Reading

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Citations

Nov 11, 2017·Microorganisms·Anna Carolin FrankJackie E Shay
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Methods Mentioned

BETA
ELISA
PCR
electrophoresis
ELISAs

Software Mentioned

PAST
Rstudio
ANOSIM
ARB
Peak Scanner
CORINE

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