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Type: Journal article
Title: The international sinonasal microbiome study (ISMS): a multi-centre, multi-national characterization of sinonasal bacterial ecology
Author: Paramasivan, S.
Bassiouni, A.
Shiffer, A.
Dillon, M.R.
Cope, E.K.
Cooksley, C.
Ramezanpour, M.
Moraitis, S.
Ali, M.J.
Bleier, B.
Callejas, C.
Cornet, M.E.
Douglas, R.G.
Dutra, D.
Georgalas, C.
Harvey, R.J.
Hwang, P.H.
Luong, A.U.
Schlosser, R.J.
Tantilipikorn, P.
et al.
Citation: Allergy, 2020; 75(8):2033-2045
Publisher: Wiley Online Library
Issue Date: 2020
ISSN: 0105-4538
Statement of
Sathish Paramasivan, Ahmed Bassiouni ... Clare Cooksley, Mahnaz Ramezanpour, Sophia Moraitis ... Sarah Vreugde ... et al.
Abstract: The sinonasal microbiome remains poorly defined, with our current knowledge based on a few cohort studies whose findings are inconsistent. Furthermore, the variability of the sinus microbiome across geographical divides remains unexplored. We characterise the sinonasal microbiome and its geographical variations in both health and disease using 16S rRNA gene sequencing of 410 individuals from across the world. Although the sinus microbial ecology is highly variable between individuals, we identify a core microbiome comprised of Corynebacterium, Staphylococcus, Streptococcus, Haemophilus, and Moraxella species in both healthy and chronic rhinosinusitis (CRS) cohorts. Corynebacterium (mean relative abundance = 44.02%) and Staphylococcus (mean relative abundance = 27.34%) appear particularly dominant in the majority of patients sampled. Amongst patients suffering from CRS with nasal polyps, a statistically significant reduction in relative abundance of Corynebacterium (40.29% vs 50.43%; p = 0.02) was identified. Despite some measured differences in microbiome composition and diversity between some of the participating centres in our cohort, these differences would not alter the general pattern of core organisms described. Nevertheless, atypical or unusual organisms reported in short-read amplicon sequencing studies and that are not part of the core microbiome should be interpreted with caution. The delineation of the sinonasal microbiome and standardised methodology described within our study will enable further characterisation and translational application of the sinus microbiota.
Keywords: 16S rRNA gene
Chronic rhinosinusitis
next-generation sequencing
Description: First published: 13 March 2020
Rights: © 2020 EAACI and John Wiley and Sons A/S. Published by John Wiley and Sons Ltd.
DOI: 10.1111/all.14276
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