Table 3 . The requirement for pie in GSC maintenance is not attributable to cell death.

%Caspase3+	Clonal GSCs	Nonclonal GSCs	Anterior Clonal Cysts	Anterior Nonclonal Cysts	Posterior Clonal Cysts	Posterior Nonclonal Cysts
hsFLP; Ubi-GFP FRT40A/pief05500 FRT40A	0% (n = 34)	0% (n = 109)	17% (n = 64)	1.4% (n = 218)	0% (n = 50)	0% (n = 156)
hsFLP; Ubi-GFP FRT40A/pie E1-16 FRT40A	0% (n = 12)	0% (n = 68)	18% (n = 33)	8.1% (n = 111)	3.8% (n = 26)	1.2% (n = 83)
hsFLP; Ubi-GFP FRT40A/FRT40A	0% (n = 78)	0% (n = 94)	3.0% (n = 168)	8.3% (n = 218)	1.3% (n = 75)	0% (n = 157)

GFP, green fluorescent protein; GSC, germline stem cell.