scholarly journals RNA PROCESSING FACTOR3 Is Crucial for the Accumulation of Mature ccmC Transcripts in Mitochondria of Arabidopsis Accession Columbia

2011 ◽  
Vol 157 (3) ◽  
pp. 1430-1439 ◽  
Author(s):  
Christian Jonietz ◽  
Joachim Forner ◽  
Tatjana Hildebrandt ◽  
Stefan Binder
Keyword(s):  
Rna Processing ◽  
Arabidopsis Accession

Mechanisms of Nuclear Transport in the cell: RNA exosome in Saccharomyces cerevisiae

Bionatura ◽  
2020 ◽  
Vol 5 (4) ◽  
pp. 1423-1426
Author(s):  
Bruna Rech ◽  
Fernando A. Gonzales-Zubiate
Keyword(s):  
Saccharomyces Cerevisiae ◽  
Catalytic Activity ◽  
Rna Processing ◽  
Cellular Localization ◽  
Nuclear Transport ◽  
Single Units ◽  
Yeast Saccharomyces Cerevisiae ◽  
Rna Transcripts ◽  
Non Coding Rnas ◽  
Rna Exosome

Ribonucleases (RNases) functions in the cell include precise maturation of non- coding RNAs and degradation of specific RNA transcripts that are no longer necessary. RNAses are present in the cell as single units or assembled as multimeric complexes; one of these complexes is the RNA exosome, a highly conserved complex essential for RNA processing and degradation. In the yeast Saccharomyces cerevisiae, the RNA exosome comprises eleven subunits, two with catalytic activity: Rrp6 and Rrp44, where the Rrp6 subunit is exclusively nuclear. Despite the RNA exosome has been intensively investigated since its discovery in 1997, only a few studies were accomplished concerning its nuclear transport. This review describes recent research about cellular localization and transport of this essential complex.

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