Entry
Name
Ribosome biogenesis in eukaryotes - Papaver somniferum (opium poppy)
Description
Ribosomes are the cellular factories responsible for making proteins. In eukaryotes, ribosome biogenesis involves the production and correct assembly of four rRNAs and about 80 ribosomal proteins. It requires hundreds of factors not present in the mature particle. In the absence of these proteins, ribosome biogenesis is stalled and cell growth is terminated even under optimal growth conditions. The primary pre-rRNA transcript is assembled into the 90S pre-ribosome, which contains both 40S and 60S assembly factors. Within this complex, the pre-rRNA is cleaved. pre-60S ribosomes are subjected to several sequential processing steps in the nucleoplasm involving numerous assembly intermediates before it is exported to the cytoplasm and matured into the 60S ribosomal subunit. The pre-40S ribosome is matured to the small ribosomal subunit in the cytoplasm by cleavage.
Class
Genetic Information Processing; Translation
BRITE hierarchy
Pathway map
Ortholog table
Organism
Papaver somniferum (opium poppy) [GN:
psom ]
Gene
113300072 U3 small nucleolar ribonucleoprotein protein MPP10-like isoform X1 [KO:K14559 ]
113338759 U3 small nucleolar ribonucleoprotein protein MPP10-like isoform X1 [KO:K14559 ]
113318187 U3 small nucleolar ribonucleoprotein protein MPP10-like isoform X1 [KO:K14559 ]
113304740 U3 small nucleolar ribonucleoprotein protein IMP3-like [KO:K14560 ]
113337460 U3 small nucleolar ribonucleoprotein protein IMP3-like [KO:K14560 ]
113275752 U3 small nucleolar ribonucleoprotein protein IMP3-like isoform X1 [KO:K14560 ]
113281856 U3 small nucleolar ribonucleoprotein protein IMP3-like [KO:K14560 ]
113282373 U3 small nucleolar ribonucleoprotein protein IMP4-like isoform X1 [KO:K14561 ]
113276560 U3 small nucleolar ribonucleoprotein protein IMP4-like [KO:K14561 ]
113284063 probable mediator of RNA polymerase II transcription subunit 36b [KO:K14563 ] [EC:2.1.1.-]
113303409 probable mediator of RNA polymerase II transcription subunit 36b [KO:K14563 ] [EC:2.1.1.-]
113299570 probable mediator of RNA polymerase II transcription subunit 36b [KO:K14563 ] [EC:2.1.1.-]
113316150 probable mediator of RNA polymerase II transcription subunit 36b [KO:K14563 ] [EC:2.1.1.-]
113317487 probable mediator of RNA polymerase II transcription subunit 36b [KO:K14563 ] [EC:2.1.1.-]
113341525 probable mediator of RNA polymerase II transcription subunit 36b [KO:K14563 ] [EC:2.1.1.-]
113341527 probable mediator of RNA polymerase II transcription subunit 36b [KO:K14563 ] [EC:2.1.1.-]
113341530 probable mediator of RNA polymerase II transcription subunit 36b [KO:K14563 ] [EC:2.1.1.-]
113279837 probable mediator of RNA polymerase II transcription subunit 36b [KO:K14563 ] [EC:2.1.1.-]
113321823 H/ACA ribonucleoprotein complex subunit 4-like [KO:K11131 ] [EC:5.4.99.-]
113313425 H/ACA ribonucleoprotein complex subunit 4-like [KO:K11131 ] [EC:5.4.99.-]
113314125 H/ACA ribonucleoprotein complex subunit 4-like [KO:K11131 ] [EC:5.4.99.-]
113273938 H/ACA ribonucleoprotein complex subunit 2-like protein [KO:K11129 ]
113277524 H/ACA ribonucleoprotein complex subunit 2-like protein [KO:K11129 ]
113297795 putative H/ACA ribonucleoprotein complex subunit 1-like protein 1 [KO:K11128 ]
113308787 putative H/ACA ribonucleoprotein complex subunit 1-like protein 1 [KO:K11128 ]
113320969 putative H/ACA ribonucleoprotein complex subunit 1-like protein 1 [KO:K11128 ]
113301656 putative H/ACA ribonucleoprotein complex subunit 1-like protein 1 [KO:K11128 ]
113335788 H/ACA ribonucleoprotein complex subunit 3-like protein [KO:K11130 ]
113335659 H/ACA ribonucleoprotein complex subunit 3-like protein [KO:K11130 ]
113347648 H/ACA ribonucleoprotein complex subunit 3-like protein [KO:K11130 ]
113353279 H/ACA ribonucleoprotein complex subunit 3-like protein [KO:K11130 ]
113280807 U3 small nucleolar RNA-associated protein 14 homolog A-like isoform X1 [KO:K14567 ]
113289977 U3 small nucleolar RNA-associated protein 14 homolog A-like [KO:K14567 ]
113299125 probable RNA 3'-terminal phosphate cyclase-like protein [KO:K11108 ]
113358646 probable RNA 3'-terminal phosphate cyclase-like protein isoform X1 [KO:K11108 ]
113358667 probable RNA 3'-terminal phosphate cyclase-like protein [KO:K11108 ]
113288369 small RNA degrading nuclease 5-like isoform X1 [KO:K14570 ] [EC:3.1.-.-]
113284357 small RNA degrading nuclease 5-like isoform X1 [KO:K14570 ] [EC:3.1.-.-]
113346702 small RNA degrading nuclease 1-like isoform X1 [KO:K14570 ] [EC:3.1.-.-]
113356838 small RNA degrading nuclease 1-like isoform X1 [KO:K14570 ] [EC:3.1.-.-]
113356892 small RNA degrading nuclease 1-like isoform X1 [KO:K14570 ] [EC:3.1.-.-]
113335443 elongation factor-like GTPase 1 isoform X1 [KO:K14536 ] [EC:3.6.5.-]
Reference
Authors
Freed EF, Bleichert F, Dutca LM, Baserga SJ
Title
When ribosomes go bad: diseases of ribosome biogenesis.
Journal
Reference
Authors
Perez-Fernandez J, Roman A, De Las Rivas J, Bustelo XR, Dosil M
Title
The 90S preribosome is a multimodular structure that is assembled through a hierarchical mechanism.
Journal
Reference
Authors
Strunk BS, Karbstein K
Title
Powering through ribosome assembly.
Journal
Reference
Authors
Granneman S, Baserga SJ
Title
Ribosome biogenesis: of knobs and RNA processing.
Journal
Reference
Authors
Kressler D, Hurt E, Bassler J
Title
Driving ribosome assembly.
Journal
Related pathway
KO pathway
LinkDB
All DBs