FB2026_02 , released June 18, 2026
Allele: Dmel\sax+t8.9
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General Information
Symbol
Dmel\sax+t8.9
Species
D. melanogaster
Name
FlyBase ID
FBal0035534
Feature type
allele
Associated gene
Dmel\sax
Associated Insertion(s)
Carried in Construct
P{sax+8.9}
Key Links
Genomic Maps

Transgenic product class
genomic_DNA
(Nellen et al., 1994)
wild_type
(Nellen et al., 1994)
Mutagen
Nature of the Allele
Transgenic product class
genomic_DNA
(Nellen et al., 1994)
wild_type
(Nellen et al., 1994)
Mutagen
in vitro construct
(Nellen et al., 1994)
Progenitor genotype
Carried in construct
P{sax+8.9}
Cytology
Description

An 8.9kb genomic EcoRI fragment including the sax open reading frame as well as 3kb of 5' and 2kb of 3' flanking regions.

(Nellen et al., 1994)
Allele components
Component
Use(s)
Regulatory region(s)
sax
Encoded product / tool
sax
Mutations Mapped to the Genome
Curation Data
Type
Location
Additional Notes
References
rescue_region
2R:7,802,880..7,812,002 [+]
Linked to:
EcoRI-EcoRI restriction fragment
Comment:

Rescues the sterility of sax mutant females and the embryonic pattern defect of their offspring.

(Nellen et al., 1994)
Variant Molecular Consequences
Associated Sequence Data
DDBJ / EMBL / GenBank
DNA sequence
Protein sequence
 
UniProtKB/Swiss-Prot
    UniProtKB/TrEMBL
      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

      Second midgut constriction is missing.

      (Nellen et al., 1994)
      External Data
      Interactions
      Show genetic interaction network for Enhancers & Suppressors
      Phenotypic Class
      Phenotype Manifest In
      Additional Comments
      Genetic Interactions
      Statement
      Reference
      Xenogenetic Interactions
      Statement
      Reference
      Complementation and Rescue Data
      Rescues

      sax+t8.9 rescues saxunspecified

      (Nellen et al., 1994)
      Comments

      Rescues the sterility of sax mutant females and the embryonic pattern defect of their offspring, allowing their development into phenotypically wild type adults.

      (Nellen et al., 1994)
      Images (0)
      Mutant
      Wild-type
      Stocks (0)
      Notes on Origin
      Discoverer
      External Crossreferences and Linkouts ( 0 )
      Synonyms and Secondary IDs (1)
      Reported As
      Symbol Synonym
      sax+t8.9
      Name Synonyms
      Secondary FlyBase IDs
        References (1)