Skip to main content

Table 2 OTUs detected at >50 % relative abundance in each specimen type

From: The microbiota in bronchoalveolar lavage from young children with chronic lung disease includes taxa present in both the oropharynx and nasopharynx

Specimen type OTU SILVA reference taxonomy BLASTn (% identity) Maximum relative abundance (%)
NP swabs OTU00003 Moraxella Moraxella catarrhalis (98 %) 99.8
OTU00002 Pasteurellaceae Haemophilus influenzae (99 %) 96.7
OTU00008 Staphylococcus Staphylococcus aureus (100 %) 96.4
OTU00012 Corynebacterium Corynebacterium propinquum (100 %) 98.1
OTU00001 Streptococcus Mitis Group Streptococci (99 %) 94.9
OTU00022 Moraxella Moraxella nonliquefaciens (99 %) 94.1
OTU00017 Enhydrobacter Moraxella lincolnii (98 %) 81.2
OTU00061 Unclassified Mycoplasma amphoriforme (99 %) 61.3
OTU00029 Flavobacteriaceae Ornithobacterium rhinotracheale (90 %) 54.7
OTU00060 Proteobacteria Unclassified 53.6
OP swabs OTU00006 Bacteroidetes Porphyromonas sp. (99 %) 62.5
Lavage-1 OTU00003 Moraxella Moraxella catarrhalis (98 %) 92.6
OTU00008 Staphylococcus Staphylococcus aureus (100 %) 83.8
OTU00002 Pasteurellaceae Haemophilus influenzae (99 %) 83.5
OTU00022 Moraxella Moraxella nonliquefaciens (99 %) 79.2
OTU00011 Neisseria Neisseria lactamica (99 %) 60.2
OTU00004 Prevotella Prevotella sp. (98 %) 51.9
Lavage-2 OTU00002 Pasteurellaceae Haemophilus influenzae (99 %) 99.7
OTU00003 Moraxella Moraxella catarrhalis (98 %) 87.7
OTU00001 Streptococcus Mitis Group Streptococci (99 %) 67.4
OTU00004 Prevotella Prevotella sp. (98 %) 51.2
  1. BLASTn identities were selected based on 100 % coverage and >98 % identity score (% identity), except for OTU00029 which was not identified above 90 % identity. This OTU was conditionally identified as Ornithobacterium rhinotracheale, but this taxonomy must be interpreted with caution. Bacterial load in specimens dominated by the Enhydrobacter OTU at >50 % relative abundance was consistently >1 × 103 GE/μL extracted DNA (Additional file 1: Figure S5)