Table 1 : Characteristics of the 3 insert sequences found within nucleotide positions 120 to 130 of the lasR gene

Strain	Origin	Length of insert (bp)	Length of IS element (bp)	IS homology (amino acid)	Classification	Name
36	Pneumonia	1324	1092	66% ISRme1	IS5 Group IS427	ISPa8
53	Bacteremia	1207	978	97% IS52	IS5 Group IS5	ISPa9
66	Environment	1193	972	94% ISPsy2	IS5 Group IS6	ISPa10

Figure 1 - Amino Acid substitutions in the LasR protein found among clinical and environmental strains

when compared to that of the PAO1 strain

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