FB2024_03 , released June 25, 2024
Allele: Dmel\ciD
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General Information
Symbol
Dmel\ciD
Species
D. melanogaster
Name
Dominant
FlyBase ID
FBal0001651
Feature type
allele
Associated gene
Associated Insertion(s)
Carried in Construct
Key Links
Mutagen
Nature of the Allele
Mutagen
Progenitor genotype
Caused by aberration
Cytology

102A3 (determined by in situ hybridisation)

Polytene chromosomes normal (Bridges).

Description

Rearrangement resulting in a fusion protein consisting of the first 246 amino acids of pan fused to ci coding sequences (the pan sequences are substituted for the first 12 amino acids of ci).

In(4)ciD is an inversion in which the promoter regions and first exons of pan and ci have been swapped. ciD consists of a hybrid gene in which the pan promoter drives expression of a ci protein that carries the N-terminal region of pan. The predicted protein product consists of the first 246 amino acids of pan fused in frame to ci, of which the first 13 N-terminal amino acids are missing.

Small inversion, breakpoints are located 5' to the transcription unit and 10kb 3' to the transcription unit.

Two insertions of 4.9kb, one in the BglII HaeIII fragment and the second in the KpnI XhoI fragment.

Small cytologically invisible inversion.

ci1, ci36, ci57, ciD and ciW mutant in the same 5.8 kb Bgl fragment. This fragment hybridizes to a 2.0 kb RNA that shows peak concentrations in late pupae.

Mutations Mapped to the Genome
Curation Data
Type
Location
Additional Notes
References
Variant Molecular Consequences
Associated Sequence Data
DNA sequence
Protein sequence
 
Expression Data
Reporter Expression
Additional Information
Statement
Reference
 
Marker for
Reflects expression of
Reporter construct used in assay
Human Disease Associations
Disease Ontology (DO) Annotations
Models Based on Experimental Evidence ( 0 )
Disease
Evidence
References
Modifiers Based on Experimental Evidence ( 0 )
Disease
Interaction
References
Comments on Models/Modifiers Based on Experimental Evidence ( 0 )
 
Disease-implicated variant(s)
 
Phenotypic Data
Phenotypic Class
Phenotype Manifest In
Detailed Description
Statement
Reference

ciD/+ wings have a disrupted wing vein L4.

In heterozygotes, L4 is partially absent.

Wing vein L4 is truncated, and small amounts of ectopic wing vein are occasionally present. The posterior wing margin is fused to the alula, has larger bristles and is often nicked.

Heterozygotes show loss of wing margin bristles. This phenotype is dominantly enhanced by panS28.

Longitudinal wing vein 4 (L4) is shortened, some posterior row hairs are missing and the posterior wing margin is flattened in heterozygotes.

Double mutant phenotype with CrebA mutants is additive.

ciD/ciW flies have abnormal legs.

Naked cuticle is deleted and replaced with a mirror image duplication of the anterior denticle belt. ptc9; ciD double mutants have features of both single mutants; naked cuticle is deleted and segment borders are duplicated.

Keyhole structure of the larval foregut does not form.

Coordinate mutant.

Wing vein interruption.

Frequent gaps in the midsection of row 1 of tarsal bristles, though the terminal bristles are always present.

Mirror segmentation phenotype of embryos is not altered by wghs.PN.

Lack all longitudinal and transverse veins and affect morphogenesis of legs and eyes.

Segment polarity phenotype.

Dominant wing venation defect and recessive segmentation defect.

Neuronal cell fate remains unchanged.

Interruptions in the fourth wing vein and slightly spread wings.

Wings show interruptions of L4 in two places: proximal to and distal to anterior crossvein. L5 also shows distal interruption. L3 and L5 thick. Considerable plexus effect and knotting of veins. Wings broader, warped or concave upward, regularly extended and bent backward. Alula fused with and in same plane as blade of wing. Black dried haemolymph from axillary spiracle. Slight scalloping of inner wing margin, with hairs and tufts. Direction and extent of temperature effects depends on genetic background (Scharloo). In general, no overlapping of wild type. Inviable in combination with Ax/Ax or Ax/Y (House and Lutes, 1975). H/+ inhibits scalloping of ciD but greatly enhances L4 interruption (House, 1959). Fully dominant in triplo-4's (Sturtevant, 1936). Two doses of ciD reduce survival of triplo-4 flies (Parker, 1969). Homozygotes lethal in embryo (Hochman, 1971). Embryonic segment polarity disrupted; anterior portions of segments with their denticle belts duplicated in mirror-image fashion; posterior portions missing; each segment almost entirely covered with denticles (Nusslein-Volhard and Wieschaus, 1980). Fine hairs eliminated from dorsal abdominal segments; replaced with clear cuticle and socketed denticles (Orenic, Chidsey, and Holmgren, 1987). Embryonic CNS relatively normal (Patel et al., 1989). Genotype of oocyte with respect to ciD without effect on phenotype of progeny (Orenic et al.). ciD/l(4)102ABc dies as embryo, ciD/l(4)102ABb as embryo or larva; in ciD/ciCe-2 death usually delayed until pupal stage (Hochman, 1971). Survival of ci/ciD/Df(4)M101-63a argues for nonallelism or pseudoallelism of ci and ciD (Hochman, 1971). RK1.

External Data
Interactions
Show genetic interaction network for Enhancers & Suppressors
Phenotypic Class
Enhanced by
Statement
Reference
Suppressed by
Statement
Reference

ciD has visible | dominant phenotype, suppressible by nej[+]/nej3

Phenotype Manifest In
Enhanced by
Statement
Reference
Suppressed by
Statement
Reference

ciD has wing margin phenotype, suppressible by nej3

ciD has wing margin phenotype, suppressible by nejQ7

ciD has wing phenotype, suppressible by nej[+]/nej3

NOT suppressed by
Statement
Reference

ciW/ciD has leg phenotype, non-suppressible by fuJ

ciW/ciD has wing phenotype, non-suppressible by fuJ

ciD has phenotype, non-suppressible by su(Hw)2

Enhancer of
Statement
Reference

ciD/ci[+] is an enhancer of wing | ectopic phenotype of AntpCtx

ciD/ci[+] is an enhancer of eye phenotype of AntpCtx

ciD is an enhancer of phenotype of ptctuf-1

Suppressor of
Statement
Reference

ciD is a suppressor of phenotype of arm3

Other
Additional Comments
Genetic Interactions
Statement
Reference

DdG0269/Y; ciD/+ wings show a combination of the disrupted wing vein phenotype of ciD/+ and the extra vein phenotype of DdG0269 in an additive manner.

Approximately 14% of AntpCtx/+;ciD/+ flies exhibit ectopic wings on the head. Flies showing an ectopic wing on the head almost always show a normal or slightly reduced eye, whereas flies with a head capsule-to-thorax transformation mostly have reduced or lost eyes.

Ninety percent of the eyes of AntpCtx/+;ciD/+ flies show a normal to weakly reduced eye phenotype.

When knScer\UAS.cVa is driven by Scer\GAL4en-e16E in a ciD background, the truncation of L4 is stronger than seen in ciD alone and L5 is partly missing.

The number of posterior row hairs is increased, and the wing is a normal shape in ciD/+ nej3/+ transheterozygotes, although wing vein L4 is still shortened.

ciD significantly increases the ptctuf-1 phenotype in ptctuf-1 ciD/+ flies. The wing and leg phenotypes of ciD/ciW flies are not altered by fuJ.

When doubly heterozygous with en loss of function alleles, the dominant ci phenotype is unchanged.

Xenogenetic Interactions
Statement
Reference
Complementation and Rescue Data
Comments

Not allelic with ci, at least with respect to its lethality, since ciD/Df(4)M101-63a survives, whereas ci/Df(4)M101-63a is mutant (Hochman, 1965). Based on location, phenotype and complementation, ciD and Ce postulated to be part of a single complex (Orenic, Slusarski, Kroll and Holmgren, 1990).

Images (1)
Stocks (163)
Notes on Origin
Discoverer

Ruch, 18th Jan. 1932.

Comments
Comments

The expression of l(1)sc is unaltered in early homozygous mutant embryos.

Induced revertants of the ciD phenotype have molecular alterations in the ciD transcript demonstrating the transcripts involvement in the ci phenotype, wing vein interruption.

ciD is epistatic to hh11, smo1 and fu513.

External Crossreferences and Linkouts ( 0 )
Synonyms and Secondary IDs (5)
Reported As
Name Synonyms
Dominant
Secondary FlyBase IDs
    References (72)