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Gene Expression Data
Assay Details
Assay
Reference: J:46668 Ma Q, et al., neurogenin1 is essential for the determination of neuronal precursors for proximal cranial sensory ganglia. Neuron. 1998 Mar;20(3):469-82
Assay type: RNA in situ
MGI Accession ID: MGI:7703215
Gene symbol: Dll1
Gene name: delta like canonical Notch ligand 1
Probe: Dll1 probe3
Probe preparation: Antisense labelled with digoxigenin RNA
Visualized with: Alkaline phosphatase
Results
Specimen 6B: embryonic day 8.25 (more )
Note: 10 somites.
Structure Level Pattern Image Note
TS13: trigeminal placode Absent 6B Expression not yet visible in trigeminal placode.
Specimen 6C: embryonic day 8.5 (more )
Note: 12 somites.
Structure Level Pattern Image Note
TS13: geniculate placode Present 6C
TS13: trigeminal placode Present 6C
TS13: future midbrain Present 6C
TS13: future prosencephalon Present Regionally restricted 6C Expression in diencephalon..
Specimen 6D: embryonic day 8.5; Neurog1tm1And/Neurog1tm1And (more )
Note: 12 somites.
Structure Level Pattern Image Note
TS13: otic placode Absent 6D Expression lost in trigeminal and otic placodes.
TS13: trigeminal placode Absent 6D Expression lost in trigeminal and otic placodes.
TS13: geniculate placode Present 6D Expression not lost in geniculate (VII) placode.
TS13: epibranchial placode Present Regionally restricted 6D Expression not lost in petrosal (IX) placode.
TS13: future midbrain Ambiguous 6D Authors state that expression reduced in midbrain.
TS13: future prosencephalon Present Regionally restricted 6D Expression not reduced in diencephalon.
Specimen 6E: embryonic day 8.75 (more )
Note: 17 somites.
Structure Level Pattern Image Note
TS14: geniculate placode Present 6E
TS14: otic placode Present 6E
TS14: petrosal placode Present 6E
TS14: trigeminal placode Present 6E
Specimen 6F: embryonic day 8.75; Neurog1tm1And/Neurog1tm1And (more )
Note: 17 somites.
Structure Level Pattern Image Note
TS14: otic placode Absent 6F Expression lost in trigeminal and otic placodes.
TS14: trigeminal placode Absent 6F Expression lost in trigeminal and otic placodes.
TS14: geniculate placode Present 6F Expression not lost in geniculate and petrosal placodes.
TS14: petrosal placode Present 6F Expression not lost in geniculate and petrosal placodes.
Specimen 7C: embryonic day 9.0 (more )
Note: 20 somites.
Structure Level Pattern Image Note
TS14: otic placode Present 7C
Specimen 7D: embryonic day 9.0; Neurog1tm1And/Neurog1tm1And (more )
Note: 20 somites.
Structure Level Pattern Image Note
TS14: otic placode Absent 7D
Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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Send questions and comments to User Support. 		last database update
01/28/2026
MGI 6.24 		The Jackson Laboratory