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| Term | Cajal body | ID (Ontology) | GO:0015030 (Gene Ontology) | |||||||||||||||||||||||
| Definition | A class of nuclear body, first seen after silver staining by Ramon y Cajal in 1903, enriched in small nuclear ribonucleoproteins, and certain general RNA polymerase II transcription factors; ultrastructurally, they appear as a tangle of coiled, electron-dense threads roughly 0.5 micrometers in diameter; involved in aspects of snRNP biogenesis; the protein coilin serves as a marker for Cajal bodies. Some argue that Cajal bodies are the sites for preassembly of transcriptosomes, unitary particles involved in transcription and processing of RNA.[ PubMed:10944589 PubMed:11031238 PubMed:7559785 ] | |||||||||||||||||||||||||
| Also Known As | "coiled body" | |||||||||||||||||||||||||
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Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
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nuclear body_______________ ribonucleoprotein granule__| nuclear ribonucleoprotein granule |__Cajal body 42 rec. |__box H/ACA scaRNP complex |
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| Is a | nuclear ribonucleoprotein granule | ||
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External Crossreferences & Linkouts
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NIF_Subcellular:nlx_subcell_090901 Wikipedia:Cajal_body |
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