Table 1.

Characteristics of bacterial extracellular vesicles

Bacterium	Strain	Source	EV protein concentration (mg/ml)*
Aggregatibacter actinomycetemcomitans	D7SS wild-type	Patient with periodontitis	1.987
Aggregatibacter actinomycetemcomitans	D7SS cdtABC mutant	Patient with periodontitis	1.258
Aggregatibacter actinomycetemcomitans	SA3138 wild-type	Patient with periodontitis	7.813
Aggregatibacter actinomycetemcomitans	SA3139 naturally lacking LPS O-antigen	Patient with periodontitis	8.732
Porphyromonas gingivalis	ATCC 33277	ATCC (Gingival sulcus)	2.132

cdtABC cytolethal distending toxin subunit A, B and C gene, LPS lipopolysaccharide, ATCC American Type Culture Collection

^*Protein concentration of the vesicle samples was measured with NanoDrop 100 spectrophotometer (Thermo Fisher Scientific)