Table 1. Phyla and features of the bacterial strains analyzed.

Bacterial strain	Phylum	Gram	Feature	Ref.
Haemophilus influenzae B	Proteobacteria	Neg	Pathogenic bacteria found in the airway microbiota of asthma and COPD patients. Associated with development of asthma in children.	[10], [59]
Haemophilus influenzae NT *	Proteobacteria	Neg	Pathogenic bacteria present in the airway microbiota of asthma and COPD patients. Associated with development of asthma in children.	[10], [59]
Moraxella catarrhalis	Proteobacteria	Neg	Pathogenic bacteria found in the airway microbiota of asthma and COPD patients. Associated with development of asthma in children.	[10], [59]
Prevotella melaninogenica	Bacteroidetes	Neg	Commensal bacteria associated with the airway microbiota of healthy individuals.	[10]
Prevotella nanceiensis	Bacteroidetes	Neg	Commensal bacteria associated with the airway microbiota of healthy individuals.	[10]
Prevotella salivae	Bacteroidetes	Neg	Commensal bacteria associated with the airway microbiota of healthy individuals.	[10]
Veillonella dispar	Firmicutes	Neg	The most predominant commensal bacteria associated with the airway microbiota.	[10]
Actinomyces graevenitzii	Actinobacteria	Pos	Less predominant commensal bacteria associated with the airway microbiota.	[10]
Actinomyces oris	Actinobacteria	Pos	Less predominant commensal bacteria associated with the airway microbiota.	[10]

*NT: Non-typeable.