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Spliceosome in Biological News

A splice of life

...ner that they are acceptable for translation into protein. Importantly, the spliceosome also rearranges the genetic bits of the message in such a way that it can g...removing them before the final mRNA product is translated into protein. The spliceosome must clip these sequences, known as introns, at the right place in the prec...

Stowers Institute's Baumann Lab identifies key step in maturation pathway of telomerase

...end of the telomerase RNA subunit," said Jessica Box, Research Technician I and co-equal first author on the paper. "It was highly unexpected that the spliceosome could have such a function, as the two steps of removing an internal piece of RNA and gluing the flanking ends together are tightly coupled during int...
Spliceosome in Biological Definition

Spliceosome

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. The RNAs that spliceosomes consist of are named U1, U2, U4, U...

Splicing (genetics)

...' end of the next exon, and fuse the exon-exon junction; Self-splicing : specialized introns serves as ribozymes , performing the functions of the spliceosome intramolecularly; Group 1 : do not form lariats but instead bind introns to free-floating guanine ; Group 2 : perform the same two-step chemica...
Spliceosome in Biological Dictionary

Spliceosome

A spliceosome is a complex of specialized RNA and protein subunits that removes introns from a transcribed pre-mRNA (hnRNA) segment. This process is generally referred to as splicing. spliceosome ( ) n. A nucleoprotein particle that aids in the splicing of messenger RNA in eukaryotes ...

SnRNP

... RNA splicing: intron/exon · snRNP · spliceosome (minor spliceosome, U1) · alternative splicing ... for ... RNA splicing: intron/exon · snRNP · spliceosome (minor spliceosome, U1) · alternative splicing ...on of the U2 snRNP -precursor RNA complex to the spliceosome probably ... Removal of each snRNP particle pre...

SnRNA

...coding RNA component of the major or U2-dependant spliceosome – a eukaryotic molecular machine involved in the ...U6atac snRNA can direct U6 snRNA to the minor spliceosome ... U1 and U2 snRNA are RNA polymerase II ...al forms of snRNA and proteins combine into a spliceosome (sic, it's a new ... and 73 putative snRNA g...

Pre-mRNA

...sense RNA inhibits splicing of pre - mRNA in vitro. S H Munroe ... and a closed complex in which pre - mRNA is sequestered at an early stage of spliceosome assembly. ... ... the structure is a good mimic of the phosphate group of the pre - mRNA substrate. ... Polyadenylation factor CPSF-73 is the ...

HnRNA

... speaking hnRNA may include nuclear RNA... A spliceosome is a complex of specialized RNA and protein sub...essing of hnRNA , but involves the double ... spliceosome ( ) n. A nucleoprotein particle that aids in the ...f messenger RNA ... The canonical assembly of the spliceosome occurs anew on each hnRNA . ... hnRNA ( ) n...
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