The gene Alk is referred to in FlyBase by the symbol Dmel\Alk (CG8250, FBgn0040505). It is a protein_coding_gene from Drosophila melanogaster. Based on sequence similarity, it is predicted to have molecular function: transmembrane receptor protein tyrosine kinase activity. There is experimental evidence for 11 unique biological process terms, many of which group under: biological regulation; single-organism developmental process; cellular component organization or biogenesis; system development; regulation of multicellular organismal process; neuron differentiation; compound eye photoreceptor development; digestive tract development; macromolecule modification; regulation of growth; regulation of developmental process; positive regulation of ERK1 and ERK2 cascade; sensory organ development; mesoderm development; visceral muscle development. 27 alleles are reported. The phenotypes of these alleles are annotated with: embryonic/larval midgut; lamellocyte; visceral mesoderm; embryonic somatic muscle; neuromuscular junction; embryonic/larval digestive system; embryonic myoblast; hemocyte; wing; embryonic visceral muscle. It has 2 annotated transcripts and 2 annotated polypeptides. Protein features are: Concanavalin A-like lectin/glucanases superfamily; Low-density lipoprotein (LDL) receptor class A repeat; MAM domain; Protein kinase, ATP binding site; Protein kinase, catalytic domain; Protein kinase-like domain; Serine-threonine/tyrosine-protein kinase catalytic domain; Tyrosine-protein kinase, active site; Tyrosine-protein kinase, catalytic domain; Tyrosine-protein kinase, receptor class II, conserved site. Summary of modENCODE Temporal Expression Profile: Temporal profile ranges from a peak of moderate expression to a trough of extremely low expression. Peak expression observed within 00-06 and 18-24 hour embryonic stages, at stages throughout the larval period, at stages throughout the pupal period, in adult male stages. Summary of FlyAtlas Anatomical Expression Data: Expression at high levels in the following post-embryonic organs or tissues: adult central nervous system. Expression at moderate levels in the following post-embryonic organs or tissues: adult head, larval central nervous system. Comments on Affy2 ProbeSet: ProbeSet 1638700_at completely aligns to an exonic region of the only FlyBase-annotated transcript isoform of Alk. Gene sequence location is 2R:12512798..12527516.
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FB2013_03
FB2013_02
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Expression of Alk protein is observed in both muscle founder cells and in fusion-competent myoblasts in the visceral mesoderm, and is localized to the cell membrane.
Alk protein is expressed throughout the third instar larval and adult brain. In the adult, labelling is stronger in the mushroom body calyx (dendrites of Kenyon cells), protocerebral bridge, antennal lobe, subesophageal ganglion and optic lobe. Alk protein is not detected in the mushroom body lobes (axons of Kenyon cells). The expression of Alk protein is similar but more widespread than labelling with Scer\GAL4Alk.38.
Summary of FlyAtlas Anatomical Expression Data: Expression at high levels in the following post-embryonic organs or tissues: adult central nervous system. Expression at moderate levels in the following post-embryonic organs or tissues: adult head, larval central nervous system.
[download data (TSV)]
Guide to FlyAtlas expression level colors
No expression (0 - 9.999)
Low expression (10 - 99.999)
Moderate expression (100 - 499.999)
High level expression (500 - 999.999)
Very high expression (>999.999)
Linear, scaled to maximum expression level
Tissue
Expression Level
Larval Central Nervous System
334.85
Larval Midgut
2.6
Larval Hindgut
4.2
Larval Malpighian Tubules
2.9
Larval Fat Body
0.7
Larval Salivary Gland
2.7
Larval Trachea
2.525
Larval Carcass
7.3
Adult Head
128
Adult Eye
44.5
Adult Brain
574.3
Adult Thoracic-Abdominal Ganglion
506.1
Adult Crop
9.4
Adult Midgut
3.5
Adult Hindgut
5
Adult Malpighian Tubules
5.2
Adult Fat Body
17.3
Adult Salivary Gland
11.3
Adult Heart
13.6
Adult VirginFemale Spermatheca
14
Adult InseminatedFemale Spermatheca
28.1
Adult Ovary
0.7
Adult Testis
3.1
Adult Male Accessory Gland
9.5
Adult Carcass
13.7
Expression Level Scale
None
Low
Moderate
High
Linear, scaled to Moderate expression
Tissue
Expression Level
Larval Central Nervous System
334.85
Larval Midgut
2.6
Larval Hindgut
4.2
Larval Malpighian Tubules
2.9
Larval Fat Body
0.7
Larval Salivary Gland
2.7
Larval Trachea
2.525
Larval Carcass
7.3
Adult Head
128
Adult Eye
44.5
Adult Brain
(574.3)
Adult Thoracic-Abdominal Ganglion
506.1
Adult Crop
9.4
Adult Midgut
3.5
Adult Hindgut
5
Adult Malpighian Tubules
5.2
Adult Fat Body
17.3
Adult Salivary Gland
11.3
Adult Heart
13.6
Adult VirginFemale Spermatheca
14
Adult InseminatedFemale Spermatheca
28.1
Adult Ovary
0.7
Adult Testis
3.1
Adult Male Accessory Gland
9.5
Adult Carcass
13.7
Expression Level Scale
None
Low
Moderate
High
Linear, scaled to High level expression
Tissue
Expression Level
Larval Central Nervous System
334.85
Larval Midgut
2.6
Larval Hindgut
4.2
Larval Malpighian Tubules
2.9
Larval Fat Body
0.7
Larval Salivary Gland
2.7
Larval Trachea
2.525
Larval Carcass
7.3
Adult Head
128
Adult Eye
44.5
Adult Brain
574.3
Adult Thoracic-Abdominal Ganglion
506.1
Adult Crop
9.4
Adult Midgut
3.5
Adult Hindgut
5
Adult Malpighian Tubules
5.2
Adult Fat Body
17.3
Adult Salivary Gland
11.3
Adult Heart
13.6
Adult VirginFemale Spermatheca
14
Adult InseminatedFemale Spermatheca
28.1
Adult Ovary
0.7
Adult Testis
3.1
Adult Male Accessory Gland
9.5
Adult Carcass
13.7
Expression Level Scale
None
Low
Moderate
High
Very high
Linear, scaled to Very high expression
Tissue
Expression Level
Larval Central Nervous System
334.85
Larval Midgut
2.6
Larval Hindgut
4.2
Larval Malpighian Tubules
2.9
Larval Fat Body
0.7
Larval Salivary Gland
2.7
Larval Trachea
2.525
Larval Carcass
7.3
Adult Head
128
Adult Eye
44.5
Adult Brain
574.3
Adult Thoracic-Abdominal Ganglion
506.1
Adult Crop
9.4
Adult Midgut
3.5
Adult Hindgut
5
Adult Malpighian Tubules
5.2
Adult Fat Body
17.3
Adult Salivary Gland
11.3
Adult Heart
13.6
Adult VirginFemale Spermatheca
14
Adult InseminatedFemale Spermatheca
28.1
Adult Ovary
0.7
Adult Testis
3.1
Adult Male Accessory Gland
9.5
Adult Carcass
13.7
Expression Level Scale
Very high
log, scaled to maximum expression level
Tissue
Expression Level
Larval Central Nervous System
334.85
Larval Midgut
2.6
Larval Hindgut
4.2
Larval Malpighian Tubules
2.9
Larval Fat Body
0.7
Larval Salivary Gland
2.7
Larval Trachea
2.525
Larval Carcass
7.3
Adult Head
128
Adult Eye
44.5
Adult Brain
574.3
Adult Thoracic-Abdominal Ganglion
506.1
Adult Crop
9.4
Adult Midgut
3.5
Adult Hindgut
5
Adult Malpighian Tubules
5.2
Adult Fat Body
17.3
Adult Salivary Gland
11.3
Adult Heart
13.6
Adult VirginFemale Spermatheca
14
Adult InseminatedFemale Spermatheca
28.1
Adult Ovary
0.7
Adult Testis
3.1
Adult Male Accessory Gland
9.5
Adult Carcass
13.7
Expression Level Scale
None
Low
Moderate
High
Very high
log, scaled to Moderate expression
Tissue
Expression Level
Larval Central Nervous System
334.85
Larval Midgut
2.6
Larval Hindgut
4.2
Larval Malpighian Tubules
2.9
Larval Fat Body
0.7
Larval Salivary Gland
2.7
Larval Trachea
2.525
Larval Carcass
7.3
Adult Head
128
Adult Eye
44.5
Adult Brain
574.3
Adult Thoracic-Abdominal Ganglion
506.1
Adult Crop
9.4
Adult Midgut
3.5
Adult Hindgut
5
Adult Malpighian Tubules
5.2
Adult Fat Body
17.3
Adult Salivary Gland
11.3
Adult Heart
13.6
Adult VirginFemale Spermatheca
14
Adult InseminatedFemale Spermatheca
28.1
Adult Ovary
0.7
Adult Testis
3.1
Adult Male Accessory Gland
9.5
Adult Carcass
13.7
Expression Level Scale
None
Low
Moderate
High
log, scaled to High level expression
Tissue
Expression Level
Larval Central Nervous System
334.85
Larval Midgut
2.6
Larval Hindgut
4.2
Larval Malpighian Tubules
2.9
Larval Fat Body
0.7
Larval Salivary Gland
2.7
Larval Trachea
2.525
Larval Carcass
7.3
Adult Head
128
Adult Eye
44.5
Adult Brain
574.3
Adult Thoracic-Abdominal Ganglion
506.1
Adult Crop
9.4
Adult Midgut
3.5
Adult Hindgut
5
Adult Malpighian Tubules
5.2
Adult Fat Body
17.3
Adult Salivary Gland
11.3
Adult Heart
13.6
Adult VirginFemale Spermatheca
14
Adult InseminatedFemale Spermatheca
28.1
Adult Ovary
0.7
Adult Testis
3.1
Adult Male Accessory Gland
9.5
Adult Carcass
13.7
Expression Level Scale
None
Low
Moderate
High
Very high
log, scaled to Very high expression
Tissue
Expression Level
Larval Central Nervous System
334.85
Larval Midgut
2.6
Larval Hindgut
4.2
Larval Malpighian Tubules
2.9
Larval Fat Body
0.7
Larval Salivary Gland
2.7
Larval Trachea
2.525
Larval Carcass
7.3
Adult Head
128
Adult Eye
44.5
Adult Brain
574.3
Adult Thoracic-Abdominal Ganglion
506.1
Adult Crop
9.4
Adult Midgut
3.5
Adult Hindgut
5
Adult Malpighian Tubules
5.2
Adult Fat Body
17.3
Adult Salivary Gland
11.3
Adult Heart
13.6
Adult VirginFemale Spermatheca
14
Adult InseminatedFemale Spermatheca
28.1
Adult Ovary
0.7
Adult Testis
3.1
Adult Male Accessory Gland
9.5
Adult Carcass
13.7
Expression Level Scale
None
Low
Moderate
High
Very high
Heatmap
Tissue
Expression Level
Larval Central Nervous System
Larval Midgut
Larval Hindgut
Larval Malpighian Tubules
Larval Fat Body
Larval Salivary Gland
Larval Trachea
Larval Carcass
Adult Head
Adult Eye
Adult Brain
Adult Thoracic-Abdominal Ganglion
Adult Crop
Adult Midgut
Adult Hindgut
Adult Malpighian Tubules
Adult Fat Body
Adult Salivary Gland
Adult Heart
Adult VirginFemale Spermatheca
Adult InseminatedFemale Spermatheca
Adult Ovary
Adult Testis
Adult Male Accessory Gland
Adult Carcass
FlyAtlas Organ/Tissue Expression, larval vs. adult
Summary of modENCODE Temporal Expression Profile: Temporal profile ranges from a peak of moderate expression to a trough of extremely low expression. Peak expression observed within 00-06 and 18-24 hour embryonic stages, at stages throughout the larval period, at stages throughout the pupal period, in adult male stages.
[download data (TSV)]
Please Note FlyBase no
longer curates genomic clone accessions so this list
may not be complete
cDNA Clones ( 20 )
Please Note
This section lists
cDNAs and ESTs that fall within the genomic extent
of the gene model, which may include cDNAs and ESTs
of genes within introns, or of overlapping genes.
Please see GBrowse for alignment of the cDNAs and ESTs
to the gene model.
Rohrbough et al., 2013, Dev. Neurobiol. 73(3): 189--208
Jelly belly trans-synaptic signaling to anaplastic lymphoma kinase regulates neurotransmission strength and synapse architecture. [FBrf0220771]
Reim et al., 2012, Dev. Biol. 368(1): 28--43
The FGF8-related signals Pyramus and Thisbe promote pathfinding, substrate adhesion, and survival of migrating longitudinal gut muscle founder cells. [FBrf0218673]
Baycin-Hizal et al., 2011, J. Proteome Res. 10(6): 2777--2784
GlycoFly: A Database of Drosophila N-linked Glycoproteins Identified Using SPEG-MS Techniques. [FBrf0213834]
Cheng et al., 2011, Cell 146(3): 435--447
Anaplastic Lymphoma Kinase Spares Organ Growth during Nutrient Restriction in Drosophila. [FBrf0214599]
Franco et al., 2011, Mol. Cell. Proteomics 10(5): M110.002188
A Novel Strategy to Isolate Ubiquitin Conjugates Reveals Wide Role for Ubiquitination during Neural Development. [FBrf0213919]
Gouzi et al., 2011, PLoS Genet. 7(9): e1002281
The receptor tyrosine kinase alk controls neurofibromin functions in Drosophila growth and learning. [FBrf0216258]
Lasek et al., 2011, PLoS ONE 6(7): e22636
An evolutionary conserved role for anaplastic lymphoma kinase in behavioral responses to ethanol. [FBrf0214569]
Michaut et al., 2011, Dev. Growth Differ. 53(9): 982--993
Analyzing the function of a hox gene: An evolutionary approach. [FBrf0216990]
Schönherr et al., 2011, Transl. Oncol. 4(4): 258--265
The Neuroblastoma ALK(I1250T) Mutation Is a Kinase-Dead RTK In Vitro and In Vivo. [FBrf0214568]