Entry
Name
mRNA surveillance pathway - Vulpes lagopus (Arctic fox)
Description
The mRNA surveillance pathway is a quality control mechanism that detects and degrades abnormal mRNAs. These pathways include nonsense-mediated mRNA decay (NMD), nonstop mRNA decay (NSD), and no-go decay (NGD). NMD is a mechanism that eliminates mRNAs containing premature translation-termination codons (PTCs). In vertebrates, PTCs trigger efficient NMD when located upstream of an exon junction complex (EJC). Upf3, together with Upf1 and Upf2, may signal the presence of the PTC to the 5'end of the transcript, resulting in decapping and rapid exonucleolytic digestion of the mRNA. In the NSD pathway, which targets mRNAs lacking termination codons, the ribosome is believed to translate through the 3' untranslated region and stall at the end of the poly(A) tail. NSD involves an eRF3-like protein, Ski7p, which is hypothesized to bind the empty A site of the ribosome and recruit the exosome to degrade the mRNA from the 3' end. NGD targets mRNAs with stalls in translation elongation for endonucleolytic cleavage in a process involving the Dom34 and Hbs1 proteins.
Class
Genetic Information Processing; Translation
BRITE hierarchy
Pathway map
Other DBs
Organism
Vulpes lagopus (Arctic fox) [GN:
vlg ]
Gene
121471446 PPP2R5B; serine/threonine-protein phosphatase 2A 56 kDa regulatory subunit beta isoform isoform X1 [KO:K11584 ]
121472680 CPSF4L; putative cleavage and polyadenylation specificity factor subunit 4-like protein [KO:K14404 ]
121472750 MSI2; RNA-binding protein Musashi homolog 2 isoform X1 [KO:K14411 ]
121472893 FIP1L1; pre-mRNA 3'-end-processing factor FIP1 isoform X1 [KO:K14405 ]
121472968 SMG6; telomerase-binding protein EST1A isoform X1 [KO:K11124 ] [EC:3.1.-.-]
121475260 MSI1; RNA-binding protein Musashi homolog 1 isoform X1 [KO:K14411 ]
121475295 PPP1CC; serine/threonine-protein phosphatase PP1-gamma catalytic subunit isoform X1 [KO:K06269 ] [EC:3.1.3.16 ]
121475371 CSTF2T; cleavage stimulation factor subunit 2 tau variant [KO:K14407 ]
121476249 PCF11; pre-mRNA cleavage complex 2 protein Pcf11 isoform X1 [KO:K14400 ]
121476865 UPF3A; regulator of nonsense transcripts 3A isoform X1 [KO:K14328 ]
121478297 PABPC1L; polyadenylate-binding protein 1-like isoform X1 [KO:K13126 ]
121478731 PPP2R3A; serine/threonine-protein phosphatase 2A regulatory subunit B'' subunit alpha isoform X1 [KO:K11583 ]
121482145 WDR33; pre-mRNA 3' end processing protein WDR33 isoform X1 [KO:K15542 ]
121482818 UPF3B; regulator of nonsense transcripts 3B isoform X1 [KO:K14328 ]
121482889 PPP2R3B; serine/threonine-protein phosphatase 2A regulatory subunit B'' subunit beta isoform X1 [KO:K11583 ]
121483494 CSTF2; cleavage stimulation factor subunit 2 isoform X1 [KO:K14407 ]
121483516 GSPT2; eukaryotic peptide chain release factor GTP-binding subunit ERF3B isoform X1 [KO:K03267 ]
121484411 PPP2R2D; serine/threonine-protein phosphatase 2A 55 kDa regulatory subunit B delta isoform isoform X1 [KO:K04354 ]
121484445 PPP2R1A; serine/threonine-protein phosphatase 2A 65 kDa regulatory subunit A alpha isoform isoform X1 [KO:K03456 ]
121486472 GSPT1; eukaryotic peptide chain release factor GTP-binding subunit ERF3A isoform X1 [KO:K03267 ]
121486629 RNPS1; RNA-binding protein with serine-rich domain 1 isoform X1 [KO:K14325 ]
121487745 CPSF4; cleavage and polyadenylation specificity factor subunit 4 isoform X1 [KO:K14404 ]
121490126 PPP2R2C; protein phosphatase 2, regulatory subunit B, gamma isoform X1 [KO:K04354 ]
121490872 CPSF6; cleavage and polyadenylation specificity factor subunit 6 isoform X1 [KO:K14398 ]
121491285 CPSF3; cleavage and polyadenylation specificity factor subunit 3 isoform X1 [KO:K14403 ] [EC:3.1.27.-]
121492115 PPP2R5A; serine/threonine-protein phosphatase 2A 56 kDa regulatory subunit alpha isoform isoform X1 [KO:K11584 ]
121492894 ACIN1; apoptotic chromatin condensation inducer in the nucleus isoform X1 [KO:K12875 ]
121493034 PPP2R5E; serine/threonine-protein phosphatase 2A 56 kDa regulatory subunit epsilon isoform isoform X1 [KO:K11584 ]
121493057 PPP2R5D; serine/threonine-protein phosphatase 2A 56 kDa regulatory subunit delta isoform [KO:K11584 ]
121493191 CPSF2; cleavage and polyadenylation specificity factor subunit 2 [KO:K14402 ]
121493453 PPP2R5C; serine/threonine-protein phosphatase 2A 56 kDa regulatory subunit gamma isoform isoform X1 [KO:K11584 ]
121493493 PPP2R3C; serine/threonine-protein phosphatase 2A regulatory subunit B'' subunit gamma isoform X1 [KO:K11583 ]
121495383 ETF1; eukaryotic peptide chain release factor subunit 1 [KO:K03265 ]
121495681 PPP2CA; serine/threonine-protein phosphatase 2A catalytic subunit alpha isoform [KO:K04382 ] [EC:3.1.3.16 ]
121496949 PPP2R2A; serine/threonine-protein phosphatase 2A 55 kDa regulatory subunit B alpha isoform isoform X1 [KO:K04354 ]
121497098 SRRM1; serine/arginine repetitive matrix protein 1 isoform X1 [KO:K13171 ]
121497471 PPP2R2B; serine/threonine-protein phosphatase 2A 55 kDa regulatory subunit B beta isoform isoform X1 [KO:K04354 ]
121498606 NCBP2; nuclear cap-binding protein subunit 2 isoform X1 [KO:K12883 ]
121498673 CPSF1; cleavage and polyadenylation specificity factor subunit 1 isoform X1 [KO:K14401 ]
121499587 PPP2R1B; serine/threonine-protein phosphatase 2A 65 kDa regulatory subunit A beta isoform isoform X1 [KO:K03456 ]
121500948 PABPN1L; LOW QUALITY PROTEIN: embryonic polyadenylate-binding protein 2 [KO:K14396 ]
121501772 CPSF7; cleavage and polyadenylation specificity factor subunit 7 isoform X1 [KO:K14398 ]
Reference
Authors
Maquat LE
Title
Nonsense-mediated mRNA decay: splicing, translation and mRNP dynamics.
Journal
Reference
Authors
Amrani N, Sachs MS, Jacobson A
Title
Early nonsense: mRNA decay solves a translational problem.
Journal
Reference
Authors
Eulalio A, Behm-Ansmant I, Izaurralde E
Title
P bodies: at the crossroads of post-transcriptional pathways.
Journal
Reference
Authors
Mandel CR, Bai Y, Tong L
Title
Protein factors in pre-mRNA 3'-end processing.
Journal
Reference
Authors
Clement SL, Lykke-Andersen J
Title
No mercy for messages that mess with the ribosome.
Journal
Related pathway
KO pathway