FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
Allele: Dmel\hry25
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General Information
Symbol
Dmel\hry25
Species
D. melanogaster
Name
FlyBase ID
FBal0005342
Feature type
allele
Associated gene
Associated Insertion(s)
Carried in Construct
Also Known As
h5H07, h25
Key Links
Genomic Maps

Nature of the Allele
Cytology

Polytene chromosomes normal.

Description

Amino acid replacement: E40V. In the basic domain. Nucleotide substitution: A?T.

Mutations Mapped to the Genome
Curation Data
Type
Location
Additional Notes
References
Nucleotide change:

A8677391T

Reported nucleotide change:

A?T

Amino acid change:

E40V | hry-PA; E40V | hry-PB

Reported amino acid change:

E40V

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

Homozygous embryos have abnormally shaped salivary glands; 7% have elongated, expanded lumens and 93% have short, expanded lumens (wild-type salivary glands have elongated, unbranched lumens). h25/h674 embryos have salivary glands with either branched or expanded lumens.

The labial lobe is absent in mutant embryos.

Degeneration of the midgut epithelium is seen in homozygous embryos.

The phenotype of fu41 h25 double mutants can be interpreted as an addition of the corresponding single mutant phenotypes, except that the naked cuticle of segments A5 and A7 which is absent in the h25 single mutant, is replaced by a mirror duplication of the remaining denticle belts in the fu h double mutant.

"Pair-rule segmentation phenotype": half the normal number of denticle bands form, due to a deletion of pattern elements from approximately the middle of one segment to a homologous position in the next segment.

The denticle belts associated with the A3/4 and A5/6 composite segments are often fused in homozygous larvae and they may show a more extreme phenotype, resulting in a continuous lawn of denticles throughout the abdomen. Fails to complement the bristle phenotype of h1.

External Data
Interactions
Show genetic interaction network for Enhancers & Suppressors
Phenotypic Class
NOT Enhancer of
Statement
Reference
Phenotype Manifest In
Additional Comments
Genetic Interactions
Statement
Reference
Xenogenetic Interactions
Statement
Reference
Complementation and Rescue Data
Partially rescued by

hry41/hry25 is partially rescued by hrycosh

Comments

The segmentation defect of heterozygote h25/h41 can be rescued by hcosh and individuals develop to viable adults, but the strong bristle phenotype is still present.

Images (0)
Mutant
Wild-type
Stocks (2)
Notes on Origin
Discoverer

Jurgens.

External Crossreferences and Linkouts ( 0 )
Synonyms and Secondary IDs (5)
References (20)