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Gene Expression Data
Assay Details
Assay
Reference: J:13164 Faerman A, et al., The expression of the regulatory myosin light chain 2 gene during mouse embryogenesis. Development. 1993 Jul;118(3):919-29
Assay type: RNA in situ
MGI Accession ID: MGI:1932362
Gene symbol: Myod1
Gene name: myogenic differentiation 1
Probe: Myod cDNA4
Probe preparation: Antisense labelled with S35 RNA
Visualized with: Autoradiography
Results
Specimen 3C: embryonic day 10.5 (more )
Structure Level Pattern Image Note
TS17: myotome Present 3C
TS17: head mesenchyme Present Regionally restricted 3C Expressed in extramyotomal premuscle cell masses in the cervical region, including the laryngeal premuscle cell mass and the posterior part of the hypoglossal cord.

Specimen 4C: embryonic day 10.5 (more )
Structure Level Pattern Image Note
TS17: 1st branchial arch mandibular component mesenchyme Present Regionally restricted 4C Expressed in extramyotomal premuscle cell masses in the dorsolateral part of the 1st arch.

Specimen 5A: embryonic day 10.5 (more )
Structure Level Pattern Image Note
TS17: 2nd branchial arch mesenchyme Present Regionally restricted 5A Transcripts in premuscle cell masses in the phyaryngeal region, including the dorsolateral part of the 2nd visceral arch, hypoglossal cords, and laryngeal muscle anlage.
TS17: head mesenchyme Present Regionally restricted 5A Transcripts in premuscle cell masses in the phyaryngeal region, including the dorsolateral part of the 2nd visceral arch, hypoglossal cords, and laryngeal muscle anlage.

Specimen 5D: embryonic day 10.5 (more )
Structure Level Pattern Image Note
TS17: 1st branchial arch mandibular component mesenchyme Present Regionally restricted 5D Transcripts in premuscle cell masses in the pharyngeal region, including the dorsolateral part of the 2nd visceral arch, hypoglossal cords, and laryngeal muscle anlage.
TS17: 2nd branchial arch mesenchyme Present Regionally restricted 5D Transcripts in premuscle cell masses in the pharyngeal region, including the dorsolateral part of the 2nd visceral arch, hypoglossal cords, and laryngeal muscle anlage.

Specimen 6B: embryonic day 11.5 (more )
Structure Level Pattern Image Note
TS19: trunk myotome Strong Regionally restricted 6B Strong hybridization in diaphragmal premuscle masses at the level of the forelimb buds.

Specimen 6E: embryonic day 11.5 (more )
Structure Level Pattern Image Note
TS19: trunk myotome Strong Regionally restricted 6E Strong hybridization in diaphragmal premuscle masses at the level of the forelimb buds.

Specimen 7A: embryonic day 11.5 (more )
Structure Level Pattern Image Note
TS19: trunk myotome Strong Regionally restricted 7A Strong hybridization in myotomes above the limb buds.
TS19: hindlimb bud mesenchyme Present Regionally restricted 7A Expression in dorsal and ventral premuscle cell masses in the posterior regions of the limb bud.

Specimen 7D: embryonic day 11.5 (more )
Structure Level Pattern Image Note
TS19: trunk myotome Strong Regionally restricted 7D Strong hybridization in myotomes above the limb buds.
TS19: hindlimb bud mesenchyme Present Regionally restricted 7D Expression in dorsal and ventral premuscle cell masses in the posterior regions of the limb bud.

Specimen 7E: embryonic day 11.5 (more )
Structure Level Pattern Image Note
TS19: trunk myotome Strong Regionally restricted 7E Strong hybridization in myotomes above the limb buds.
TS19: hindlimb bud mesenchyme Present Regionally restricted 7E Expression in dorsal and ventral premuscle cell masses in the anterior regions of the limb bud.

Specimen 7H: embryonic day 11.5 (more )
Structure Level Pattern Image Note
TS19: trunk myotome Strong Regionally restricted 7H Strong hybridization in myotomes above the limb buds.
TS19: hindlimb bud mesenchyme Present Regionally restricted 7H Expression in dorsal and ventral premuscle cell masses in the anterior regions of the limb bud.

Specimen 8A/E: embryonic day 12.5 (more )
Structure Level Pattern Image Note
TS20: head mesenchyme Present Regionally restricted 8E , 8A Expressed in the majority of muscles. Clearly dilineated the most superficial muscle (platysma) anlage of the pharyngeal region.

Specimen 8D/H: embryonic day 12.5 (more )
Structure Level Pattern Image Note
TS20: head mesenchyme Present Regionally restricted 8D , 8H Expressed in the majority of muscles. Clearly dilineated the most superficial muscle (platysma) anlage of the pharyngeal region.

Specimen not shown: embryonic day 8.5 (more )
Structure Level Pattern Image Note
TS13: embryo Absent

Specimen not shown: embryonic day 9.0 (more )
Note: 15 somites.
Structure Level Pattern Image Note
TS14: embryo Absent

Specimen not shown: embryonic day 9.5 (more )
Note: 24-26 somites.
Structure Level Pattern Image Note
TS15: cardiac muscle tissue Absent
TS15: embryo Absent

Specimen not shown: embryonic day 11.5 (more )
Structure Level Pattern Image Note
TS19: 1st branchial arch Present Regionally restricted Expressed in muscle-forming regions delineated in previous stages, including parts of the 1st and 2nd branchial arches, hypoglossal cords, and laryngeal muscle anlage.
TS19: 2nd branchial arch mesenchyme Present Regionally restricted Expressed in muscle-forming regions delineated in previous stages, including parts of the 1st and 2nd branchial arches, hypoglossal cords, and laryngeal muscle anlage.
TS19: head mesenchyme Present Regionally restricted Expressed in muscle-forming regions delineated in previous stages, including parts of the 1st and 2nd branchial arches, hypoglossal cords, and laryngeal muscle anlage.
TS19: forelimb bud mesenchyme Present
TS19: perioptic mesenchyme Present Regionally restricted Expressed in the extraocular muscle rudiments.

Specimen not shown: embryonic day 12.5 (more )
Structure Level Pattern Image Note
TS20: forelimb mesenchyme Present
TS20: head mesenchyme Present
TS20: hindlimb mesenchyme Present
TS20: myotome Present


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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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last database update
03/18/2025
MGI 6.24
The Jackson Laboratory