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Nat Ecol Evol. 2019 Apr 8. doi: 10.1038/s41559-019-0849-7. [Epub ahead of print]

Temperate airborne grass pollen defined by spatio-temporal shifts in community composition.

Author information

1
Molecular Ecology and Fisheries Genetics Laboratory, School of Natural Sciences, Bangor University, Bangor, UK. g.l.b.doonan@gmail.com.
2
IBERS, Aberystwyth University, Aberystwyth, UK.
3
National Botanic Garden of Wales, Llanarthne, UK.
4
University of Worcester, Worcester, UK.
5
University of Exeter, Truro, UK.
6
University of New South Wales, Sydney, New South Wales, Australia.
7
School of Public Health, Faculty of Medicine, The University of Queensland, Brisbane, Queensland, Australia.
8
Met Office, Exeter, UK.
9
Molecular Ecology and Fisheries Genetics Laboratory, School of Natural Sciences, Bangor University, Bangor, UK.
10
The Woodland Trust, Kempton Way, Grantham, UK.
11
Molecular Ecology and Fisheries Genetics Laboratory, School of Natural Sciences, Bangor University, Bangor, UK. s.creer@bangor.ac.uk.

Abstract

Grass pollen is the world's most harmful outdoor aeroallergen. However, it is unknown how airborne pollen assemblages change across time and space. Human sensitivity varies between different species of grass that flower at different times, but it is not known whether temporal turnover in species composition match terrestrial flowering or whether species richness steadily accumulates over the grass pollen season. Here, using targeted, high-throughput sequencing, we demonstrate that all grass genera displayed discrete, temporally restricted peaks of incidence, which varied with latitude and longitude throughout Great Britain, revealing that the taxonomic composition of grass pollen exposure changes substantially across the grass pollen season.

PMID:
30962560
DOI:
10.1038/s41559-019-0849-7

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