Table 1.

Summary of effects in mixed microcolonies compared to monoculture microcolonies.

	Growth onset	Overall growth	Directionality of growth	Behavior when mixed colonies come into close contact	lasR gene expression	rhlR gene expression
PA + Cowan I	Delayed***	Reduced ***	*	35% SA overgrows PA, 65% PA grows around SA	Timepoint 1 increased, Timepoint 2 decreased	Timepoint 1 increased, Timepoint 2 decreased
	Accelerated**	n.s.	n.s.
PA + 6850	n.s.	Reduced ***	*	18% SA overgrows PA, 82% PA grows around SA	Timepoints 1 and 2 increased	Timepoints 1 and 2 increased
	Accelerated**	Reduced ***	n.s.
PA + JE2	n.s.	Reduced ***	*	92% SA overgrows PA, 8% PA grows around SA	Timepoint 1 increased, Timepoint 2 decreased	Timepoints 1 and 2 increased
	Accelerated**	n.s.	n.s.

***p < 0.001; **p < 0.01; *p < 0.05; n.s., not significant.