The gene eyegone is referred to in FlyBase by the symbol Dmel\eyg (CG10488, FBgn0000625). It is a protein_coding_gene from Drosophila melanogaster. There is experimental evidence that it has the molecular function: RNA polymerase II regulatory region sequence-specific DNA binding. There is experimental evidence that it is involved in the biological process: notum development; eye development; antennal development; eye-antennal disc development; compound eye development; negative regulation of transcription from RNA polymerase II promoter; compound eye morphogenesis. 56 alleles are reported. The phenotypes of these alleles are annotated with: organ system subdivision; adult segment; organ system; imaginal precursor; adult; thoracic segment; external compound sense organ; multicellular structure; eo support cell; salivary gland imaginal ring. It has 3 annotated transcripts and 3 annotated polypeptides. Protein features are: Homeobox, conserved site; Homeodomain; Homeodomain-like; Paired domain; Winged helix-turn-helix transcription repressor DNA-binding domain. 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 06-12 hour embryonic stages, during early pupal stages. Summary of FlyAtlas Anatomical Expression Data: Expression at high levels in the following post-embryonic organs or tissues: adult salivary gland. Expression at moderate levels in the following post-embryonic organs or tissues: larval salivary gland. Comments on Affy2 ProbeSet: ProbeSet 1632742_at completely aligns to an exonic region common to each of the 2 FlyBase-annotated transcript isoforms of eyg. Gene sequence location is 3L:12455637..12461121.
User Contributed Data
External Summaries
Phenotypic Description from the Red Book (Lindsley
& Zimm 1992)
Gene/Allele symbols may differ
from current usage
eyg: eye gone
Eyes and head much smaller than normal. Considerable pupal mortality, probably from inability to push open
pupa cases. Adults normal in viability and productivity.
Character subject to genetic modifiers and possibly environmental influences. Expression varies from complete absence of
facets to formation of about 100 facets. Homozygotes show
reduced larval and pupal survival (Inoue, 1980, DIS 55: 206).
Lethal in combination with ey; phenotype described under ey
[Hunt, 1970, Genet. Res. 15: 29-34 (fig.)]. RK2.
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FB2013_03
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Eye disc primordia express eyg in embryos. Expression of eyg in eye discs is detected at least as early as late second instar. eyg transcript is detected in the anterior of early larval eye discs and is strongly expressed dorsally and anterior to the morphogenetic furrow in late eye discs. Expression also occurs in the central region of antennal discs, the anterior notum, dorsal hinge and a region of the posterior periphery in the wing disc and in several restricted areas of the leg disc.
eyg is expressed in the salivary gland placode from stage 11. Expression is uniform at first in the placode and later fades in some areas such that a crescent pattern is formed. Expression is also observed in the subantennal region of the head and in a segmentally repeated pattern in the trunk. The segmental pattern begins as a single cell in each segment and develops into a ventrally located patch that fades to a narrow stripe during germ band retraction. Expression is also observed in the region around the posterior spiracle.
eyg protein can first be detected in third instar wing discs and is restricted to the anterior compartment in a region destined to become the anterior central region of the mesothorax.
Summary of FlyAtlas Anatomical Expression Data: Expression at high levels in the following post-embryonic organs or tissues: adult salivary gland. Expression at moderate levels in the following post-embryonic organs or tissues: larval salivary gland.
[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
9.225
Larval Midgut
3.4
Larval Hindgut
2.7
Larval Malpighian Tubules
2
Larval Fat Body
2.2
Larval Salivary Gland
216.5
Larval Trachea
2.3
Larval Carcass
11.2
Adult Head
21.2
Adult Eye
60.225
Adult Brain
3.1
Adult Thoracic-Abdominal Ganglion
1.5
Adult Crop
7
Adult Midgut
5.2
Adult Hindgut
4.7
Adult Malpighian Tubules
1.1
Adult Fat Body
10
Adult Salivary Gland
512.2
Adult Heart
1.425
Adult VirginFemale Spermatheca
5.8
Adult InseminatedFemale Spermatheca
9.4
Adult Ovary
1.5
Adult Testis
5.1
Adult Male Accessory Gland
93.9
Adult Carcass
12.7
Expression Level Scale
None
Low
Moderate
High
Linear, scaled to Moderate expression
Tissue
Expression Level
Larval Central Nervous System
9.225
Larval Midgut
3.4
Larval Hindgut
2.7
Larval Malpighian Tubules
2
Larval Fat Body
2.2
Larval Salivary Gland
216.5
Larval Trachea
2.3
Larval Carcass
11.2
Adult Head
21.2
Adult Eye
60.225
Adult Brain
3.1
Adult Thoracic-Abdominal Ganglion
1.5
Adult Crop
7
Adult Midgut
5.2
Adult Hindgut
4.7
Adult Malpighian Tubules
1.1
Adult Fat Body
10
Adult Salivary Gland
512.2
Adult Heart
1.425
Adult VirginFemale Spermatheca
5.8
Adult InseminatedFemale Spermatheca
9.4
Adult Ovary
1.5
Adult Testis
5.1
Adult Male Accessory Gland
93.9
Adult Carcass
12.7
Expression Level Scale
None
Low
Moderate
High
Linear, scaled to High level expression
Tissue
Expression Level
Larval Central Nervous System
9.225
Larval Midgut
3.4
Larval Hindgut
2.7
Larval Malpighian Tubules
2
Larval Fat Body
2.2
Larval Salivary Gland
216.5
Larval Trachea
2.3
Larval Carcass
11.2
Adult Head
21.2
Adult Eye
60.225
Adult Brain
3.1
Adult Thoracic-Abdominal Ganglion
1.5
Adult Crop
7
Adult Midgut
5.2
Adult Hindgut
4.7
Adult Malpighian Tubules
1.1
Adult Fat Body
10
Adult Salivary Gland
512.2
Adult Heart
1.425
Adult VirginFemale Spermatheca
5.8
Adult InseminatedFemale Spermatheca
9.4
Adult Ovary
1.5
Adult Testis
5.1
Adult Male Accessory Gland
93.9
Adult Carcass
12.7
Expression Level Scale
None
Low
Moderate
High
Very high
Linear, scaled to Very high expression
Tissue
Expression Level
Larval Central Nervous System
9.225
Larval Midgut
3.4
Larval Hindgut
2.7
Larval Malpighian Tubules
2
Larval Fat Body
2.2
Larval Salivary Gland
216.5
Larval Trachea
2.3
Larval Carcass
11.2
Adult Head
21.2
Adult Eye
60.225
Adult Brain
3.1
Adult Thoracic-Abdominal Ganglion
1.5
Adult Crop
7
Adult Midgut
5.2
Adult Hindgut
4.7
Adult Malpighian Tubules
1.1
Adult Fat Body
10
Adult Salivary Gland
512.2
Adult Heart
1.425
Adult VirginFemale Spermatheca
5.8
Adult InseminatedFemale Spermatheca
9.4
Adult Ovary
1.5
Adult Testis
5.1
Adult Male Accessory Gland
93.9
Adult Carcass
12.7
Expression Level Scale
Very high
log, scaled to maximum expression level
Tissue
Expression Level
Larval Central Nervous System
9.225
Larval Midgut
3.4
Larval Hindgut
2.7
Larval Malpighian Tubules
2
Larval Fat Body
2.2
Larval Salivary Gland
216.5
Larval Trachea
2.3
Larval Carcass
11.2
Adult Head
21.2
Adult Eye
60.225
Adult Brain
3.1
Adult Thoracic-Abdominal Ganglion
1.5
Adult Crop
7
Adult Midgut
5.2
Adult Hindgut
4.7
Adult Malpighian Tubules
1.1
Adult Fat Body
10
Adult Salivary Gland
512.2
Adult Heart
1.425
Adult VirginFemale Spermatheca
5.8
Adult InseminatedFemale Spermatheca
9.4
Adult Ovary
1.5
Adult Testis
5.1
Adult Male Accessory Gland
93.9
Adult Carcass
12.7
Expression Level Scale
None
Low
Moderate
High
log, scaled to Moderate expression
Tissue
Expression Level
Larval Central Nervous System
9.225
Larval Midgut
3.4
Larval Hindgut
2.7
Larval Malpighian Tubules
2
Larval Fat Body
2.2
Larval Salivary Gland
216.5
Larval Trachea
2.3
Larval Carcass
11.2
Adult Head
21.2
Adult Eye
60.225
Adult Brain
3.1
Adult Thoracic-Abdominal Ganglion
1.5
Adult Crop
7
Adult Midgut
5.2
Adult Hindgut
4.7
Adult Malpighian Tubules
1.1
Adult Fat Body
10
Adult Salivary Gland
512.2
Adult Heart
1.425
Adult VirginFemale Spermatheca
5.8
Adult InseminatedFemale Spermatheca
9.4
Adult Ovary
1.5
Adult Testis
5.1
Adult Male Accessory Gland
93.9
Adult Carcass
12.7
Expression Level Scale
None
Low
Moderate
High
log, scaled to High level expression
Tissue
Expression Level
Larval Central Nervous System
9.225
Larval Midgut
3.4
Larval Hindgut
2.7
Larval Malpighian Tubules
2
Larval Fat Body
2.2
Larval Salivary Gland
216.5
Larval Trachea
2.3
Larval Carcass
11.2
Adult Head
21.2
Adult Eye
60.225
Adult Brain
3.1
Adult Thoracic-Abdominal Ganglion
1.5
Adult Crop
7
Adult Midgut
5.2
Adult Hindgut
4.7
Adult Malpighian Tubules
1.1
Adult Fat Body
10
Adult Salivary Gland
512.2
Adult Heart
1.425
Adult VirginFemale Spermatheca
5.8
Adult InseminatedFemale Spermatheca
9.4
Adult Ovary
1.5
Adult Testis
5.1
Adult Male Accessory Gland
93.9
Adult Carcass
12.7
Expression Level Scale
None
Low
Moderate
High
Very high
log, scaled to Very high expression
Tissue
Expression Level
Larval Central Nervous System
9.225
Larval Midgut
3.4
Larval Hindgut
2.7
Larval Malpighian Tubules
2
Larval Fat Body
2.2
Larval Salivary Gland
216.5
Larval Trachea
2.3
Larval Carcass
11.2
Adult Head
21.2
Adult Eye
60.225
Adult Brain
3.1
Adult Thoracic-Abdominal Ganglion
1.5
Adult Crop
7
Adult Midgut
5.2
Adult Hindgut
4.7
Adult Malpighian Tubules
1.1
Adult Fat Body
10
Adult Salivary Gland
512.2
Adult Heart
1.425
Adult VirginFemale Spermatheca
5.8
Adult InseminatedFemale Spermatheca
9.4
Adult Ovary
1.5
Adult Testis
5.1
Adult Male Accessory Gland
93.9
Adult Carcass
12.7
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 06-12 hour embryonic stages, during early pupal stages.
[download data (TSV)]
Please Note FlyBase no
longer curates genomic clone accessions so this list
may not be complete
cDNA Clones ( 3 )
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.
lune is stated to be the same as eyg demonstrated by lune rescue of the eyg mutant phenotype. There are no mutations of lune so allelism cannot be tested.
Most metazoan homeodomains share a preference for the TAAT motif, they can differ from each other in their preference for the bases immediately 3' to this core. This preference is determined, in part, by the identity of amino acid position 50. Because homeodomain sequences have been identified that possess at least 10 different amino acids at position 50 it is investigated whether multiple DNA binding specificities can be conferred by changing this position to a variety of amino acid side chains.