FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
Allele: Dmel\Hmgcrclb1
Open Close
General Information
Symbol
Dmel\Hmgcrclb1
Species
D. melanogaster
Name
FlyBase ID
FBal0094692
Feature type
allele
Associated gene
Associated Insertion(s)
Carried in Construct
Also Known As
clb11.54
Key Links
Genomic Maps

Allele class
Nature of the Allele
Allele class
Progenitor genotype
Cytology
Description

Nucleotide substitution: G841A.

Co-ordinates refer to the pNB36C cDNA.

Amino acid replacement: W91term.

An early nonsense mutation.

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

G23747416A

Reported nucleotide change:

G841A

Amino acid change:

W91term | Hmgcr-PA

Reported amino acid change:

W91term

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 ( 1 )
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

The posterior region of the heart tube is abnormally dilated in mutant embryos.

In Hmgcrclb1 homozygous embryos, 10 germ cells on average fail to migrate into the mesoderm. Females in which the germ-line is homozygous for Hmgcrclb1 are sterile.

Some germ cells fail to move off the midgut and do not associate with somatic gonadal precursor cells in the mesoderm at stages 11-12 in mutant embryos.

Primordial germ cell migration is disrupted. Some PGCs fail to migrate from the endoderm to the mesoderm. Many of those that do fail to associate with the gonadal mesoderm and remain scattered throughout the embryo. Gonadal mesoderm development proceeds normally, as does development of the nervous system and the trachea.

External Data
Interactions
Show genetic interaction network for Enhancers & Suppressors
Phenotypic Class
Phenotype Manifest In
Suppressor of
Statement
Reference

Hmgcrclb1 is a suppressor of adult brain phenotype of SNF4Aγloe

Additional Comments
Genetic Interactions
Statement
Reference

The germ cell migration defects of slamwaldo1 Hmgcrclb1 double mutants are stronger than either single mutant; no germ cells move off the midgut in double mutant embryos.

The addition of Hmgcrclb1 to SNF4Aγloe animals shows a small but significant reduction in the number of holes seen in the adult brain.

Xenogenetic Interactions
Statement
Reference
Complementation and Rescue Data
Comments
Images (0)
Mutant
Wild-type
Stocks (0)
Notes on Origin
Discoverer
Comments
Comments
External Crossreferences and Linkouts ( 0 )
Synonyms and Secondary IDs (5)
Reported As
Name Synonyms
Secondary FlyBase IDs
    References (9)