FB2024_03 , released June 25, 2024
Allele: Dmel\Abd-Biab9-tuh-3
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General Information
Symbol
Dmel\Abd-Biab9-tuh-3
Species
D. melanogaster
Name
FlyBase ID
FBal0000142
Feature type
allele
Associated gene
Associated Insertion(s)
Carried in Construct
Also Known As
tuh-3
Key Links
Allele class
Nature of the Allele
Allele class
Progenitor genotype
Associated Insertion(s)
Cytology

Polytene chromosomes normal.

Description

Insertion of 297 element at around coordinate +173kb, in the middle of the first intron of the class B and class C transcripts, and greater than 25kb from the Delta88 insertion in the Abd-Biab9-tuh-3 chromosome, previously thought to be the cause of the mutant phenotype.

Mutation in the r element.

Delta88 element insertion at +200 kb.

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

Phenotypically similar to "Abd-BI127B".

Male and female abdominal segment are normal, genitalia and analia are missing.

Enhances penetrance of head defect phenotype when in trans with Abd-Biab9-tuh-3. Heterozygotes with Abd-Biab9-tuh-3 exhibit genital defects to a moderate degree. Adult homozygous males have 6 normal abdominal segments. Males and females lack genitalia. Abd-Biab9-tuh-3 females deficient for tuh1h produce offspring with head defects and normal genitalia, just like homozygotes for tuh1h.

Parasegment 14 is partially transformed to parasegment 13.

Male and female genitalia and analia are missing or abnormal in homozygotes. Parasegment 14 is partially transformed into parasegment 13, and there is a rudimentary setal belt in A9 in homozygous embryos. Also shows dominant gain-of-function phenotypes.

External Data
Interactions
Show genetic interaction network for Enhancers & Suppressors
Phenotypic Class
Phenotype Manifest In
Additional Comments
Genetic Interactions
Statement
Reference

Mutant phenotype responds to tuh1h maternal effect by producing head defects, with ectopic posterior abdominal and genital tissue. Mutant phenotype of Abd-Biab9-tuh-3/Abd-Biab8-D16 responds to tuh1g maternal effect by producing genital defects.

Phenotype depends on the allele tuh1 on the X chromosome: in the presence of tuh1h shows a dominant expression of head tumours composed of genital tissue, in the presence of tuh1g shows a recessive phenotype and loss of genitalia in both sexes.

Abd-Biab9-tuh-3 acts as a recessive allele in combination with tuh1g, causing internal and external genitalia to be deleted. Abd-Biab9-tuh-3 acts as a semidominant allele in combination with tuh1h, causing growths of abdominal and/or genital tissue in the head.

tuh1h/tuh1h Abd-Biab7-SGA/Abd-Biab9-tuh-3 flies have a similar phenotype to Abd-Biab7-SGA heterozygotes.

Abd-Biab9-tuh-3 flies also homozygous for tuh1h show eye outgrowths and have a transformation of head structures to genitalia. This phenotype is temperature-sensitive, having increased penetrance at 25 rather than 18oC.

Xenogenetic Interactions
Statement
Reference
Complementation and Rescue Data
Comments

Complements iab-5 and iab-6 alleles.

Images (0)
Mutant
Wild-type
Stocks (4)
Notes on Origin
Discoverer

C.M. Woolf.

Comments
Comments

"FBti0014081 == 297{}Abd-Biab9-tuh-3" was stated as revision.

m+ r- mutant. Of 21 Abd-B alleles tested, Abd-Biab9-tuh-3 and Abd-Biab9-tuh-3 were the only ones that required mothers to be homozygous for tuh1h for head defects to be expressed.

Abd-B m+ r- mutation.

"FBti0014081 == 297{}Abd-Biab9-tuh-3" was stated as revision. Recombinant analysis determined the 297 insertion to be responsible for the mutant phenotype, not the Delta88 insert previously described. The 297 molecular lesion in what was previously known as "Abd-BI127B" is identical to that in stocks traditionally thought of as Abd-Biab9-tuh-3.

External Crossreferences and Linkouts ( 0 )
Synonyms and Secondary IDs (10)
Reported As
Name Synonyms
Secondary FlyBase IDs
  • FBal0033314
References (14)