FB2026_03 , released September 17, 2026
FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term myofibril ID (Ontology) GO:0030016 (Gene Ontology)
Definition The contractile element of skeletal and cardiac muscle; a long, highly organized bundle of actin, myosin, and other proteins that contracts by a sliding filament mechanism.[ ISBN:0815316194 ]
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Genes (FBgn)GO_CELLULAR_COMPONENT
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 Alleles Genes Constructs
 myofibril (all annotations which use CV term, excluding "NOT" statements)
     located_in | myofibril       --
      --
     myofibril | absent | adult stage
      --
     myofibril | adult stage
      --
     myofibril | adult stage | progressive
      --
     myofibril | adult stage | progressive | RU486 conditional
      --
     myofibril | conditional
      --
     myofibril | larval stage
      --       --
     myofibril | P-stage
      --       --
     myofibril | pharate adult stage
      --
     myofibril | pupal stage
      --
     myofibril | third instar larval stage
      --
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cytoplasm_____________________________
intracellular membraneless organelle__|
supramolecular fiber__________________|
                                      contractile muscle fiber
                                       |__myofibril  1083 rec.
                                           |__cardiac myofibril 24 rec.
                                           |__costamere 4 rec.
                                           |__myofilament 66 rec.
                                           |   |__striated muscle myosin thick filament 23 rec.
                                           |   |__striated muscle thin filament(+) 42 rec.
                                           |__sarcomere 881 rec.
                                           |   |__A band(+) 95 rec.
                                           |   |__I band(+) 654 rec.
                                           |   |__striated muscle myosin thick filament 23 rec.
                                           |   |__striated muscle thin filament(+) 42 rec.
                                           |__skeletal muscle myofibril 8 rec.
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Is a contractile muscle fiber
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Wikipedia:Myofibril