Table 3.

CSP-1-induced release of β-galactosidase in the presence of 2% choline

OD at 600 nm	β-Galactosidase activity (Miller units) in supernatants from EK4166 cells*
	Growth in CAT plus 2% choline		Growth in CAT
	CSP-1 added	No pheromone added	CSP-1 added	No pheromone added
0.1	0.36	15.4	26.9	11
0.2	1.8	2.4	28.2	5.2
0.3	1.0	0.9	78.7	4.5
0.4	0.82	0.9	325.0	4.0
0.5	0.55	0.9	91.3	4.6
0.6	0.60	0.4	32.3	2.9
0.7	1.1	1.7	5.60	2.6

^*Miller units are the means of two parallels.