Planktonic Growth of Pseudomonas aeruginosa around a Dual-Species Biofilm Supports the Growth of Fusobacterium nucleatum within That Biofilm
Table 1
Bacteria isolated from cultures of left and right ear fluid samples.
Right ear fluid
Left ear fluid
Organism
Organism
Pseudomonas aeruginosa strain 1
4+
Pseudomonas aeruginosa strain 1
4+
Pseudomonas aeruginosa strain 2
4+
Pseudomonas aeruginosa strain 2
4+
Viridans streptococci
<1+
Viridans streptococci type 1
<1+
Staphylococcus sp. (coagulase-negative)
<1+
Viridans streptococci type 2
<1+
Enterococcus faecalis
<1+
Staphylococcus sp. (coagulase-negative)
<1+
Diphtheroids
<1+
, semiquantitation based on 4-quadrant streaking method: 4+, growth in quadrant 4; 3+, growth in quadrant 3: 2+, growth in quadrant 2; 1+, growth throughout quadrant 1; <1+, scattered colonies within quadrant 1.