Diversity of P-element piRNA production among M' and Q strains and its association with P-M hybrid dysgenesis in Drosophila melanogaster

Table 2 GD ratios and total P-element piRNAs production in the progeny

Test strain	GD^a (%)	GD^a (%)	Deduced strain type	P-element piRNAs (RPM)^bb		total-TE piRNAs (RPM)^bb
	cross A*	cross A		cross A*		cross A*
	(♀test x ♂Har)	(♀CS x ♂test)		(♀test x ♂Har)		(♀test x ♂Har)
	(♀test x ♂Har)	(♀CS x ♂test)		Ovaries	F1 embryos	Ovaries	F1 embryos
OM5	28.3	0	M’	5137	233	1,105,901	139,280
FIZ12	13.3	1	M’	6108	522	1,158,677	138,991
KY25	0	0	Q	7333	740	1,428,653	130,670
KY98	0	1	Q	9356	830	1,502,704	143,827
KY3	2.5	0	Q	8049	818	1,060,199	144,297
KY101	0	0	Q	18,009	1662	1,958,902	109,059
HKH	0	0	Q	4989	2421	1,048,057	417,233
MSO12	0	0	Q	8941	5200	1,351,448	521,266
KY74	0.8	0	Q	9077	6336	1,343,427	425,912
Har	0	100	P	7780	604	1,090,850	99,772

^aPercentage of gysgenic ovaries from cross A* (test female x Har male) and cross A (CS female x test male). ^bpiRNA reads were divided by miRNA reads, expressed as reads per million miRNA reads (RPM) in the progeny from cross A*

ISSN: 1759-8753