Probe:	mc5b
Probe preparation:	Antisense labelled with S35 RNA
Visualized with:	Autoradiography
Assay notes:	The probe does not contain sequences corresponding to the zinc fingers of mGATA-3 to preclude the possibility of cross hybridization to other members of the GATA factor family.

Structure	Level	Pattern	Image	Note
TS12: embryo	Absent		1A , 1B

Structure	Level	Pattern	Image	Note
TS12: ectoplacental cone	Strong		1D , 1C
TS12: primary trophoblast giant cell	Strong		1D , 1C

Structure	Level	Pattern	Image	Note
TS16: central nervous system	Present		1E	mGATA-3 is expressed at varying levels throughout the CNS.
TS16: trunk somite	Present		1E

Structure	Level	Pattern	Image	Note
TS17: telencephalon	Present	Regionally restricted	1F	Expression is detected in the anterior end of the telencephalon.
TS17: otocyst	Present		1F
TS17: peripheral nervous system	Present	Regionally restricted	1F	Expression is detected in the ganglia of the PNS.
TS17: acoustic ganglion	Present		1F
TS17: facial ganglion	Present		1F
TS17: trigeminal ganglion	Present		1F
TS17: eye	Present		1F

Structure	Level	Pattern	Image	Note
TS16: central nervous system	Present		1G	mGATA-3 is expressed at varying levels throughout the CNS.
TS16: eye	Present		1G

Structure	Level	Pattern	Image	Note
TS16: central nervous system	Present		1H	mGATA-3 is expressed at varying levels throughout the CNS.
TS16: trunk somite	Present		1H
TS16: mesonephros	Present		1H

Structure	Level	Pattern	Image	Note
TS19: central nervous system	Present		2A , 2B	Expression was diffuse throughout much of the CNS.
TS19: midbrain	Present	Regionally restricted	2B , 2A	Expression was localized within the walls of the midbrain.
TS19: metencephalon basal plate	Present		2A , 2B

Structure	Level	Pattern	Image	Note
TS19: dorsal root ganglion	Present		2D , 2C
TS19: future spinal cord	Present		2D , 2C
TS19: heart	Present		2D , 2C
TS19: liver	Present		2D , 2C
TS19: mesonephros	Present		2D , 2C
TS19: sympathetic ganglion	Present		2D , 2C
TS19: extraembryonic venous system	Present	Regionally restricted	2D , 2C	Expression is present in the vitelline vein.

Structure	Level	Pattern	Image	Note
TS19: inner ear	Present	Regionally restricted		Expression continues in the otic vesicle.
TS19: peripheral nervous system	Present	Regionally restricted		Expression continues in many ganglia of the PNS.

Structure	Level	Pattern	Image	Note
TS20: midbrain	Present	Regionally restricted	2E	Expression accumulates in the outer half.

Structure	Level	Pattern	Image	Note
TS20: pons	Present	Regionally restricted	2F	Expression becomes restricted to two bilaterally symmetric groups of cells in both halves of the diencephalon.

Structure	Level	Pattern	Image	Note
TS20: sympathetic ganglion	Present		2G
TS20: dorsal root ganglion	Absent		2G
TS20: spinal cord	Present	Regionally restricted	2G	Expression in the spinal cord is restricted to the ventral half.

Structure	Level	Pattern	Image	Note
TS22: diencephalon	Present		3A
TS22: pons	Present	Regionally restricted	3A	Expression in the pons is even more spatially restricted than at e12.5.
TS22: midbrain	Present	Regionally restricted	3A	Expression remains removed from the immediate layer of cells overlying the ventricle.

Structure	Level	Pattern	Image	Note
TS22: vomeronasal organ	Present		3B

Structure	Level	Pattern	Image	Note
TS22: adrenal medulla	Present		3D , 3C
TS22: maturing glomerular tuft	Present		3D , 3C

Structure	Level	Pattern	Image	Note
TS22: spinal cord	Weak	Regionally restricted		Expression is not detected in the spinal cord at the approximate level of the most rostral cervical vertebra, but is detected in more caudal sections in the ventral half of the spinal cord at significantly lower levels than on previous days of development
TS22: cranial ganglion	Present
TS22: inner ear	Present
TS22: sympathetic ganglion	Present
TS22: thymus primordium	Present