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Spliceosome

Biology  Spleen  Splicing
04/20/2014

spliceosome
Large ribonucleoprotein complex that assembles on a pre-mRNA and carries out RNA splicing. (Figures 11-18 and 11-19) ...


Spliceosome
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Spliceosome
Catalyzes the splicing of precursor message RNA. Major components are snRNPs (U1, U2, U4, U5 and U6).
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A spliceosome is a complex of RNA and many protein subunits, that remove the non-coding introns from unprocessed mRNA. The mRNA of prokaryotes is simpler, and they do not have introns, so only eukaryotes have spliceosomes.

Spliceosomes
Spliceosomes remove introns and splice the exons of most nuclear genes. They are composed of 5 kinds of small nuclear RNA (snRNA) molecules and a large number of protein molecules.

spliceosome
(sply-see-oh-some)
A complex assembly that interacts with the ends of an RNA intron in splicing RNA; releases an intron and joins two adjacent exons.
splitting evolution ...

spliceosomes: Organelles in which the splicing and excision reactions that remove introns from precursor messenger RNA molecules occur.

Spliceosome - The large, multi-component protein complex that mediates the splicing reaction of primary RNA transcripts.
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spliceosomes that stimulate synthesis of intron-containing hnRNAs
E.
enhancers that can stimulate specific promoters ...

The Spliceosome
A large protein complex known as the spliceosome controls mRNA splicing. The spliceosome is composed of particles made up of both RNA and protein.

(d) [spliceosome (Google Search)] [index]
TRANSLATION
(28) Translation--introduction (see also translation and genetic code) ...

Archaea (where they are dubbed sRNAs, as Archaea lack nucleoli), and likewise modify rRNA, and in the Cajal body of the eukaryote cell (small Cajal body scaRNPs), where they modify small nuclear RNAs (snRNAs), the RNA constituents of the spliceosome ...

Introns are spliced out of pre-mRNA by spliceosomes, which contain several small nuclear RNAs (snRNA), or the introns can be ribozymes that are spliced by themselves.

The process of RNA splicing is carried out by complexes of proteins and small RNA molecules called spliceosomes. The RNA component of spliceosomes is called small nuclear RNA or snRNA.

Spliceosome (← links)
Northern blot (← links)
Northern blot analysis (← links)
Hiv-1 reverse transcriptase (← links)
Molecular genetics (← links)
Human t-lymphotropic virus (← links)
Hybridization (← links) ...

Small nuclear ribonucleoprotein (RNA plus protein) particle. Component of the spliceosome, the intron-removing apparatus in eukaryotic nuclei .
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See also: See also: RNA, Protein, Trans, DNA, Proteins

Biology  Spleen  Splicing
04/20/2014

 
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