TABLE 2 .

Relative abundance and prevalence levels of major taxa at preinfection^a

Major taxonomy group	% relative abundance (mean ± SD)		No. of subjects colonizedb
	R	P	R	P
Actinobacteria
Propionibacterium acnes	33.5 ± 29.2	15.2 ± 25.3	●●●●	●●●●
Corynebacterium spp.	11.6 ± 14.5	10.6 ± 13.4	●●●●	●●●●
C. tuberculostearicum	2.3 ± 4.9	3.1 ± 3.6	●●●●	●●●●
C. aurimucosum/accolens	1.6 ± 2.6	2.3 ± 4.7	●●●●	●●●●
C. afermentans	4.0 ± 5.5	1.4 ± 2.3	●●	●●●
C. mucifaciens	1.4 ± 2.6	1.3 ± 2.6	●●●	●●
Micrococcus luteus	0.8 ± 1.5	8.4 ± 12.2	●●●	●●●●
Actinomyces	1.9 ± 2.6	0.08 ± 0.1	●●●	●●
Microbacterium	0.01 ± 0.3	1.3 ± 2.2	●	●●
Kocuria	0.39 ± 0.9	3.6 ± 5.0	●●	●●●
K. palustris	0.2 ± 0.7	2.9 ± 5.2	●	●●
Firmicutes
Staphylococcus spp.	16.5 ± 11.3	14.1 ± 16.4	●●●●	●●●●
S. capitis/S. caprae	9.9 ± 6.1	11.4 ± 17	●●●●	●●●●
S. petrasii	5.4 ± 7	1.7 ± 2.5	●●●	●●●●
Streptococcus spp.	7.0 ± 16.7	1.2 ± 2.0	●●●●	●●●●
S. mitis	5.7 ± 13.6	0.3 ± 4	●●●●	●●●●
Nosocomiicoccus	1.3 ± 246	0 ± 0	●
Finegoldia spp.	1.1 ± 1.8	0.4 ± 0.8	●●	●●●
F. magna	1.0 ± 1.7	0.4 ± 0.8	●●●●	●●●●
Aerococcus urinaeequi/A. viridans	1.3 ± 2.5	0.13 ± 0.2	●	●●
Proteobacteria
Paracoccus spp.	0.15 ± 0.3	17.8 ± 20.6	●	●●●
P. aminovorans	0.08 ± 0.17	12.2 ± 21.9	●	●●●
P. versutus	0.06 ± 0.2	4.1 ± 7.1	●	●
Haematobacter massiliensis	0.05 ± 0.2	7.2 ± 12.4	●	●●●
Sphingomonas spp.	0.5 ± 1.2	2.9 ± 4.6	●●●●	●●●●
S. hankookensis	0.3 ± 1.0	2.8 ± 4.8	●	●
Mesorhizobium amorphae	1.0 ± 2.8	0.5 ± 1.7	●●●	●●
Bacteroidetes
Porphyromonas	1.7 ± 5.2	0.18 ± 0.4	●●	●●
Chryseobacterium	0.2 ± 0.5	1.5 ± 2.7	●●	●●
Prevotella	1.2 ± 1.7	0.4 ± 0.6	●●●	●●●●
Flavobacterium	0.8 ± 0.8	0.2 ± 0.4	●●●	●●●●

^aR, resolvers; P, pustule formers.

^bEach dot represents a volunteer in which the respective genus or species was detected.