Probe:	Parp1 cDNA1
Probe preparation:	Antisense labelled with digoxigenin RNA
Assay notes:	No significant difference in the expression patterns was observed between male and female embryos.

Structure	Level	Pattern	Image	Note
TS17: embryo	Strong		1A

Structure	Level	Pattern	Image	Note
TS22: thymus primordium	Strong	Uniform	1D
TS22: cerebellum	Present		1D
TS22: cerebral cortex	Present		1D
TS22: main olfactory bulb	Present		1D

Structure	Level	Pattern	Image	Note
TS25: thymus	Strong	Uniform	1G
TS25: cerebellum	Present		1G
TS25: cerebral cortex	Present		1G
TS25: main olfactory bulb	Present		1G

Structure	Level	Pattern	Image	Note
TS22: thymus primordium	Strong	Uniform	2A

Structure	Level	Pattern	Image	Note
TS26: thymus	Present	Regionally restricted	2D	Expression is in the cortex.

Structure	Level	Pattern	Image	Note
TS28: thymus cortex	Strong	Regionally restricted	2G	Expression is in the subcapsular zone and the mature cortex.

Structure	Level	Pattern	Image	Note
TS28: spleen white pulp	Moderate		2J
TS28: spleen red pulp	Moderate	Regionally restricted	2J	Expression is in the marginal zone.

Structure	Level	Pattern	Image	Note
TS28: Peyer's patch	Moderate		2M
TS28: lymph node follicle	Moderate		2M
TS28: Peyer's patch germinal center	Strong		2M

Structure	Level	Pattern	Image	Note
TS20: telencephalon	Present		3A

Structure	Level	Pattern	Image	Note
TS28: dentate gyrus granule cell layer	Present		3D
TS28: hippocampus pyramidal cell layer	Present		3D
TS28: cerebral cortex	Weak		3D

Structure	Level	Pattern	Image	Note
TS28: cerebellum Purkinje cell layer	Present		3G

Structure	Level	Pattern	Image	Note
TS20: midgut loop	Present		4A

Structure	Level	Pattern	Image	Note
TS26: colon	Present	Graded	4D	Expression is highest in undifferentiated cells at the bottom of the intestinal crypts, in intestine and colon.
TS26: ileum	Present	Graded	4D	Expression is highest in undifferentiated cells at the bottom of the intestinal crypts, in intestine and colon.

Structure	Level	Pattern	Image	Note
TS28: ileum	Present		4F	Expression is in the crypts of the duodenum, jejunum, ileum, and colon (shown is ileum).
TS28: small intestine crypt of lieberkuhn	Present		4F	Expression is in the crypts of the duodenum, jejunum, ileum, and colon (shown is ileum).

Structure	Level	Pattern	Image	Note
TS28: colon	Present		4H	Expression is in the crypts of the duodenum, jejunum, ileum, and colon (shown is colon).
TS28: large intestine crypt of lieberkuhn	Present		4H	Expression is in the crypts of the duodenum, jejunum, ileum, and colon (shown is colon).

Structure	Level	Pattern	Image	Note
TS28: duodenum	Present	Regionally restricted		Expression is in the crypts.
TS28: jejunum	Present	Regionally restricted		Expression is in the crypts.
TS28: small intestine crypt of lieberkuhn	Present	Regionally restricted		Expression is in the crypts.