FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
Gene: Dmel\mir-1
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General Information
Symbol
Dmel\mir-1
Species
D. melanogaster
Name
mir-1 stem loop
Annotation Symbol
CR43027
Feature Type
FlyBase ID
FBgn0262455
Gene Model Status
Stock Availability
Gene Summary
Contribute a Gene Snapshot for this gene.
Also Known As

dme-mir-1, dmiR-1, miR-1-3p

Key Links
Genomic Location
Cytogenetic map
Sequence location
Recombination map
2-54
RefSeq locus
NT_033779 REGION:20487441..20487531
Sequence
Genomic Maps
Other Genome Views
The following external sites may use different assemblies or annotations than FlyBase.
Function
Gene Ontology (GO) Annotations (12 terms)
Molecular Function (2 terms)
Terms Based on Experimental Evidence (2 terms)
CV Term
Evidence
References
Terms Based on Predictions or Assertions (0 terms)
Biological Process (9 terms)
Terms Based on Experimental Evidence (9 terms)
CV Term
Evidence
References
Terms Based on Predictions or Assertions (1 term)
CV Term
Evidence
References
inferred from electronic annotation with Rfam:RF00103
Cellular Component (1 term)
Terms Based on Experimental Evidence (0 terms)
Terms Based on Predictions or Assertions (1 term)
CV Term
Evidence
References
part_of RISC complex
inferred from electronic annotation with Rfam:RF00103
Gene Group (FlyBase)
Protein Family (UniProt)
-
Protein Signatures (InterPro)
    -
    Summaries
    Pathway (FlyBase)
    NEGATIVE REGULATORS OF NOTCH SIGNALING PATHWAY -
    The Notch receptor signaling pathway is activated by the binding of the transmembrane receptor Notch (N) to transmembrane ligands, Dl or Ser, presented on adjacent cells. This results in the proteolytic cleavage of N, releasing the intracellular domain (NICD). NICD translocates into the nucleus, interacting with Su(H) and mam to form a transcription complex, which up-regulates transcription of Notch-responsive genes. Negative regulators of the pathway down-regulate the signal from the sending cell or the response in the receiving cell. (Adapted from FBrf0225731 and FBrf0192604).
    POSITIVE REGULATORS OF NOTCH SIGNALING PATHWAY -
    The Notch receptor signaling pathway is activated by the binding of the transmembrane receptor Notch (N) to transmembrane ligands, Dl or Ser, presented on adjacent cells. This results in the proteolytic cleavage of N, releasing the intracellular domain (NICD). NICD translocates into the nucleus, interacting with Su(H) and mam to form a transcription complex, which up-regulates transcription of Notch-responsive genes. Positive regulators of the pathway enhance the signal from the sending cell or the response in the receiving cell. (Adapted from FBrf0225731 and FBrf0192604).
    Gene Model and Products
    Number of Transcripts
    3
    Number of Unique Polypeptides
    0

    Please see the JBrowse view of Dmel\mir-1 for information on other features

    To submit a correction to a gene model please use the Contact FlyBase form

    Protein Domains (via Pfam)
    Isoform displayed:
    Pfam protein domains
    InterPro name
    classification
    start
    end
    Protein Domains (via SMART)
    Isoform displayed:
    SMART protein domains
    InterPro name
    classification
    start
    end
    Structure
    Experimentally Determined Structures
    Crossreferences
    Comments on Gene Model

    Locations and structures of miRNA models as mapped by miRBase (FBrf0220601).

    Conserved: found throughout the Drosophila genus (FBrf0230987).

    Transcript Data
    Annotated Transcripts
    Name
    FlyBase ID
    RefSeq ID
    Length (nt)
    FBtr0304488
    22
    FBtr0472701
    22
    FBtr0304487
    91
    Additional Transcript Data and Comments
    Reported size (kB)
    Comments
    External Data
    Crossreferences
    miRBase - A searchable database of published miRNA sequences and annotation.
    Sequences Consistent with the Gene Model
    Nucleotide / Polypeptide Records
    Mapped Features

    Click to get a list of regulatory features (enhancers, TFBS, etc.) and gene disruptions (point mutations, indels, etc.) within or overlapping Dmel\mir-1 using the Feature Mapper tool.

    External Data
    Crossreferences
    Linkouts
    Expression Data
    Testis-specificity index

    The testis specificity index was calculated from modENCODE tissue expression data by Vedelek et al., 2018 to indicate the degree of testis enrichment compared to other tissues. Scores range from -2.52 (underrepresented) to 5.2 (very high testis bias).

    NA

    Transcript Expression
    in situ
    Stage
    Tissue/Position (including subcellular localization)
    Reference
    organism | ventral

    Comment: gap at site of presumptive anterior endoderm

    northern blot
    Stage
    Tissue/Position (including subcellular localization)
    Reference
    Additional Descriptive Data

    mir-1 transcript is expressed in embryonic mesoderm and mesoderm-derived tissues.

    Expression increases with time to a peak in the first larval instar, then decreases. Expression levels in male and female adults are comparable to that in first instar larvae.

    Northern analysis of 24 microRNAs showed that a number of them were expressed constituitively throughout development.

    Marker for
     
    Subcellular Localization
    CV Term
    Polypeptide Expression
    Additional Descriptive Data
    Marker for
     
    Subcellular Localization
    CV Term
    Evidence
    References
    Expression Deduced from Reporters
    Reporter: P{mir-1.eve-lacZ}
    Stage
    Tissue/Position (including subcellular localization)
    Reference
    High-Throughput Expression Data
    Associated Tools

    JBrowse - Visual display of RNA-Seq signals

    View Dmel\mir-1 in JBrowse
    RNA-Seq by Region - Search RNA-Seq expression levels by exon or genomic region
    Reference
    See Gelbart and Emmert, 2013 for analysis details and data files for all genes.
    Developmental Proteome: Life Cycle
    Developmental Proteome: Embryogenesis
    External Data and Images
    Linkouts
    DRscDB - A single-cell RNA-seq resource for data mining and data comparison across species
    EMBL-EBI Single Cell Expression Atlas - Single cell expression across species
    FlyAtlas2 - A Drosophila melanogaster expression atlas with RNA-Seq, miRNA-Seq and sex-specific data
    Images
    Alleles, Insertions, Transgenic Constructs, and Aberrations
    Classical and Insertion Alleles ( 2 )
    For All Classical and Insertion Alleles Show
     
    Other relevant insertions
    Transgenic Constructs ( 12 )
    For All Alleles Carried on Transgenic Constructs Show
    Transgenic constructs containing/affecting coding region of mir-1
    Transgenic constructs containing regulatory region of mir-1
    Aberrations (Deficiencies and Duplications) ( 0 )
    Inferred from experimentation ( 0 )
    Inferred from location ( 4 )
    Variants
    Variant Molecular Consequences
    Alleles Representing Disease-Implicated Variants
    Phenotypes
    For more details about a specific phenotype click on the relevant allele symbol.
    Lethality
    Allele
    Other Phenotypes
    Allele
    Phenotype manifest in
    Allele
    visceral muscle of larval heart & embryonic/larval pericardial cell
    Orthologs
    Human Orthologs (via DIOPT v9.1)
    Species\Gene Symbol
    Score
    Best Score
    Best Reverse Score
    Alignment
    Complementation?
    Transgene?
    Homo sapiens (Human) (3)
    1 of 14
    Yes
    Yes
    1 of 14
    Yes
    Yes
    1 of 14
    Yes
    Yes
    Model Organism Orthologs (via DIOPT v9.1)
    Species\Gene Symbol
    Score
    Best Score
    Best Reverse Score
    Alignment
    Complementation?
    Transgene?
    Rattus norvegicus (Norway rat) (3)
    1 of 14
    Yes
    Yes
    1 of 14
    Yes
    Yes
    1 of 14
    Yes
    Yes
    Mus musculus (laboratory mouse) (3)
    1 of 14
    Yes
    Yes
    1 of 14
    Yes
    Yes
    1 of 14
    Yes
    Yes
    Xenopus tropicalis (Western clawed frog) (0)
    Danio rerio (Zebrafish) (4)
    1 of 14
    Yes
    Yes
    1 of 14
    Yes
    Yes
    1 of 14
    Yes
    Yes
    1 of 14
    Yes
    Yes
    Caenorhabditis elegans (Nematode, roundworm) (1)
    1 of 14
    Yes
    Yes
    Anopheles gambiae (African malaria mosquito) (0)
    Arabidopsis thaliana (thale-cress) (0)
    Saccharomyces cerevisiae (Brewer's yeast) (0)
    Schizosaccharomyces pombe (Fission yeast) (0)
    Escherichia coli (enterobacterium) (0)
    Other Organism Orthologs (via OrthoDB)
    Data provided directly from OrthoDB:mir-1. Refer to their site for version information.
    Paralogs
    Paralogs (via DIOPT v9.1)
    Human Disease Associations
    FlyBase Human Disease Model Reports
      Disease Ontology (DO) Annotations
      Models Based on Experimental Evidence ( 1 )
      Allele
      Disease
      Evidence
      References
      Potential Models Based on Orthology ( 0 )
      Human Ortholog
      Disease
      Evidence
      References
      Modifiers Based on Experimental Evidence ( 0 )
      Allele
      Disease
      Interaction
      References
      Disease Associations of Human Orthologs (via DIOPT v9.1 and OMIM)
      Note that ortholog calls supported by only 1 or 2 algorithms (DIOPT score < 3) are not shown.
      Homo sapiens (Human)
      Gene name
      Score
      OMIM
      OMIM Phenotype
      DO term
      Complementation?
      Transgene?
      Functional Complementation Data
      Functional complementation data is computed by FlyBase using a combination of the orthology data obtained from DIOPT and OrthoDB and the allele-level genetic interaction data curated from the literature.
      Interactions
      Summary of Physical Interactions
      Interaction Browsers

      Please see the Physical Interaction reports below for full details
      RNA-protein
      Physical Interaction
      Assay
      References
      RNA-RNA
      Physical Interaction
      Assay
      References
      Summary of Genetic Interactions
      Interaction Browsers
      Starting gene(s)
      Interaction type
      Interacting gene(s)
      Reference
      Starting gene(s)
      Interaction type
      Interacting gene(s)
      Reference
      External Data
      Linkouts
      DroID - A comprehensive database of gene and protein interactions.
      Pathways
      Signaling Pathways (FlyBase)
      Metabolic Pathways
      FlyBase
      External Links
      External Data
      Linkouts
      Class of Gene
      Genomic Location and Detailed Mapping Data
      Chromosome (arm)
      2L
      Recombination map
      2-54
      Cytogenetic map
      Sequence location
      FlyBase Computed Cytological Location
      Cytogenetic map
      Evidence for location
      38C8-38C8
      Limits computationally determined from genome sequence between P{EP}CG16798EP401&P{lacW}k07219 and P{lacW}k02501&P{lacW}k14810
      Experimentally Determined Cytological Location
      Cytogenetic map
      Notes
      References
      Experimentally Determined Recombination Data
      Location
      Left of (cM)
      Right of (cM)
      Notes
      Stocks and Reagents
      Stocks (3)
      Genomic Clones (23)
      cDNA Clones (0)
       

      Please Note This section lists cDNAs and ESTs that fall within the genomic extent of the gene model, which may include cDNAs and ESTs of genes within introns, or of overlapping genes. Please see JBrowse for alignment of the cDNAs and ESTs to the gene model.

      cDNA clones, fully sequenced
      BDGP DGC clones
        Other clones
          Drosophila Genomics Resource Center cDNA clones

          For each fully sequenced cDNA the DGRC maintains various forms of the cDNA (e.g tagged or untagged) in several different host vectors for subsequent cloning and expression in Drosophila and Drosophila cell lines.

            cDNA Clones, End Sequenced (ESTs)
            BDGP DGC clones
              Other clones
                RNAi and Array Information
                Linkouts
                Antibody Information
                Laboratory Generated Antibodies
                 
                Commercially Available Antibodies
                 
                Cell Line Information
                Publicly Available Cell Lines
                 
                  Other Stable Cell Lines
                   
                  Other Comments

                  Tiling experiments indicate that the mir-1 gene is 2.9kb in length. mir-1 is directly activated by dl amd twi.

                  mir-1 is not required for the formation or physiological function of the larval musculature, but is required for the dramatic post-mitotic growth of larval muscle.

                  New annotation (CR32958) in release 3 of the genome annotation.

                  Relationship to Other Genes
                  Source for database merge of
                  Additional comments

                  The annotation for mir-1 has been changed in release 5.31 of the genome annotation, so that instead of representing a mature miRNA it now represents the precursor stem loop pre-miRNA. The symbol of the annotation has been changed from CR32958 to CR43027 to reflect this change.

                  Nomenclature History
                  Source for database identify of
                  Nomenclature comments
                  Etymology
                  Synonyms and Secondary IDs (19)
                  Reported As
                  Symbol Synonym
                  CR32958
                  dme-miR-1-3p
                  miR-1
                  (Narbonne-Reveau et al., 2025, Varghese et al., 2025, Atienzar-Aroca et al., 2024, Ghosh et al., 2024, Li et al., 2024, Chan et al., 2023, Gallicchio et al., 2022, Kvon et al., 2021, Layalle et al., 2021, Souidi and Jagla, 2021, Donelson et al., 2020, Dubey et al., 2020, Rastegari et al., 2020, Soleimani et al., 2020, Xia et al., 2020, Liu et al., 2019, Zhu et al., 2019, Avital et al., 2018, Cosacak et al., 2018, Daniel et al., 2018, Cannon et al., 2017, Chandra et al., 2017, Picao-Osorio et al., 2017, Zhu et al., 2017, Funikov et al., 2016, Liu et al., 2016, Fulga et al., 2015, Suh et al., 2015, Fu et al., 2014, Kong et al., 2014, Kozomara et al., 2014, Xia and Zhang, 2014, Esslinger et al., 2013, Laneve et al., 2013, Li et al., 2013, Lucas and Raikhel, 2013, Mezan et al., 2013, Nesler et al., 2013, Nishihara et al., 2013, Fukunaga et al., 2012, Liu et al., 2012, Tan et al., 2012, Xu et al., 2012, Liu et al., 2011, Ni et al., 2011, Qian et al., 2011, Ameres et al., 2010, Czech et al., 2009, Eulalio et al., 2009, Hong et al., 2009, Kadener et al., 2009, Nahvi et al., 2009, Yu et al., 2009, Zekri et al., 2009, Eulalio et al., 2008, Ibáñez-Ventoso et al., 2008, Behura, 2007, Easow et al., 2007, Okamura et al., 2007, Zeitlinger et al., 2007, Biemar et al., 2006, Biemar et al., 2006, Carthew, 2006, Nguyen and Frasch, 2006, Saito et al., 2006, Taylor, 2006, Brennecke et al., 2005, Kwon et al., 2005, Leaman, 2005, Sokol and Ambros, 2005, Stark et al., 2005, Allawi et al., 2004, Nakahara and Carthew, 2004, Boutla et al., 2003, Lai et al., 2003, Sempere et al., 2003, Stark et al., 2003, Stark et al., 2003, Grosshans and Slack, 2002, Moss, 2002, Lagos-Quintana et al., 2001, Lau et al., 2001, Lee et al., 2001)
                  transfrag 8
                  Name Synonyms
                  microRNA 1
                  mir-1
                  mir-1 stem loop
                  Secondary FlyBase IDs
                  • FBgn0046834
                  • FBgn0262320
                  Datasets (0)
                  Study focus (0)
                  Experimental Role
                  Project
                  Project Type
                  Title
                  Study result (0)
                  Result
                  Result Type
                  Title
                  External Crossreferences and Linkouts ( 15 )
                  Sequence Crossreferences
                  NCBI Gene - Gene integrates information from a wide range of species. A record may include nomenclature, Reference Sequences (RefSeqs), maps, pathways, variations, phenotypes, and links to genome-, phenotype-, and locus-specific resources worldwide.
                  GenBank Nucleotide - A collection of sequences from several sources, including GenBank, RefSeq, TPA, and PDB.
                  RefSeq - A comprehensive, integrated, non-redundant, well-annotated set of reference sequences including genomic, transcript, and protein.
                  RNAcentral - A comprehensive ncRNA sequence collection representing all ncRNA types from a broad range of organisms
                  Other crossreferences
                  DRscDB - A single-cell RNA-seq resource for data mining and data comparison across species
                  EMBL-EBI Single Cell Expression Atlas - Single cell expression across species
                  FlyAtlas2 - A Drosophila melanogaster expression atlas with RNA-Seq, miRNA-Seq and sex-specific data
                  KEGG Genes - Molecular building blocks of life in the genomic space.
                  MARRVEL_MODEL - MARRVEL (model organism gene)
                  miRBase - A searchable database of published miRNA sequences and annotation.
                  Linkouts
                  DroID - A comprehensive database of gene and protein interactions.
                  FlyCyc Genes - Genes from a BioCyc PGDB for Dmel
                  References (149)