FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
Help Close All Open All
General Information
Term heat sensitive gain of function allele ID (Ontology) FBcv:0000749 (FlyBase CV)
Definition An allele that at high temperatures but not low temperatures, either makes a normally functioning gene product but at higher levels or in a different spatial or temporal pattern to wild-type, or a product with increased or novel activity compared to wild-type.[ FlyBase:FBrf0049147 ]
Comment
Links to External Ontologies
Annotations
Records annotated with this term OR any of its CHILD TERMS
    Results list data from multiple species. Click on a button above and use the 'Filter by species' options on the resulting HitList to retrieve species-specific data.
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  ALLELE_CLASS      14
Alleles (FBal)  PROMOTED_CLASS      14
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Alleles
 heat sensitive gain of function allele (all annotations which use CV term, excluding "NOT" statements)      14
Spanning Tree (Parents/Children)
Only view relationship: 
  gain of function allele
   |__temperature conditional gain of function allele
       |__heat sensitive gain of function allele  20 rec.
           |__heat sensitive antimorphic allele 2 rec.
           |   |__heat sensitive antimorphic allele - genetic evidence 2 rec.
           |   |__heat sensitive antimorphic allele - molecular evidence
           |__heat sensitive hypermorphic allele
           |   |__heat sensitive hypermorphic allele - genetic evidence
           |   |__heat sensitive hypermorphic allele - molecular evidence
           |__heat sensitive neomorphic allele 4 rec.
               |__heat sensitive neomorphic allele - genetic evidence 4 rec.
               |__heat sensitive neomorphic allele - molecular evidence
Spanning Tree View Settings
Parents/Children
View Depth
Show hierarchy levels: for parents, for children
hide Relationships
Is a temperature conditional gain of function allele
Part of
hide Synonyms & Secondary IDs
Synonyms
Secondary IDs
hide External Crossreferences & Linkouts