Influence of cigarette smoking on the human duodenal mucosa-associated microbiota

Microbiome

Table 2 Operational taxonomic units (OTUs) contributing to the model discriminating patients based on smoking status

Contributing OTU		Average relative abundance^a
Phylum	OTU^b	Current smokers	Never smokers
Firmicutes	Veillonella dispar (937248)	6.61	6.00
Bacteroidetes	Prevotella sp. (2222)	0.33	1.58
Firmicutes	Streptococcus sp. (1098340)	30.57	23.02
Firmicutes	Streptococcus sp. (1088134)	4.25	3.43
Firmicutes	Streptococcus sp. (1092300)	0.43	0.35
Firmicutes	Streptococcus sp. (1097208)	0.37	0.28
Proteobacteria	Neisseria sp. (1060621)	0.19	0.6
Proteobacteria	Aggregatibacter sp. (963216)	0.16	0.15
Bacteroidetes	Prevotella intermedia (72112)	0.48	0.29
Proteobacteria	Neisseria sp. (1092944)	1.72	2.96
Bacteroidetes	Prevotella sp. (851822)	0.72	1.00
Firmicutes	Veillonella sp. (511378)	0.76	0.33
Proteobacteria	Neisseria cinerea (1070334)	0.088	1.27
Firmicutes	Veillonella dispar (NRO_21206)	0.11	0.18
Firmicutes	Veillonella dispar (1019878)	0.63	0.61
Fusobacteria	Fusobacterium sp. (809380)	0.2	0.27
Proteobacteria	Haemophilus parainfluenzae (832223)	0.47	0.33
Proteobacteria	Haemophilus parainfluenzae (920105)	0.77	0.71
Bacteroidetes	Prevotella tannerae (38227)	0.71	0.23
Firmicutes	Oribacterium sp. (527630)	0.19	0.52

^aThe average relative abundance (%) for each OTU is shown (for the FD-ID training set; data is not transformed). ^b The number in brackets refers to the Greengenes OTU reference number; NRO—new reference OTU)

ISSN: 2049-2618