spliceosome
noun/ˈsplaɪsioʊˌsoʊm/ · /ˈsplaɪsəˌsoʊm/
Etymology From splice + -o- + -some.
1
Biology, Genetics, Medicine, Natural sciences, Sciences A dynamic complex of RNA and protein subunits that removes introns from precursor mRNA.
- This complex, termed a "spliceosome," is thought to contain components necessary for mRNA splicing; its existence can explain how separated exons on pre-mRNA are brought into contact.1985 June 23, Edward Brody, “The "spliceosome": yeast pre-messenger RNA associates with 40S complex in a splicing-dependent reaction”, in Science, volume 228, number 4802, page 963:
- Derived terms
- prespliceosome, spliceosomal, supraspliceosome