Table 1 Description of expression profiles obtained by K-means clustering (K = 10) of microarray data

1

confluent biofilm time points (expression peak – 14 hrs)

2

confluent biofilm time points (expression peak – 48 hrs)

3

confluent biofilm time points and in SP planktonic culture

4

LP planktonic culture (expression peak) and in developing biofilms (8 hrs)

5

LP planktonic culture and in developing biofilms (8 hrs) (expression peak)

6

SP planktonic culture

7

LP planktonic culture,

8

developing biofilms (8 hrs)

9

LP and SP planktonic culture

10

SP planktonic culture and in developing biofilms (8 hrs)