RNase II regulates RNase PH and is essential for cell survival during starvation and stationary phase. [PDF]
RNase II is the most active exoribonuclease in Escherichia coli cell extracts. Yet, its removal appears to have no deleterious effect on growing cells. Here, we show that RNase II is required for cell survival during prolonged stationary phase and upon ...
Sulthana S, Quesada E, Deutscher MP.
europepmc +4 more sources
The Phosphorolytic Exoribonucleases Polynucleotide Phosphorylase and RNase PH Stabilize sRNAs and Facilitate Regulation of Their mRNA Targets. [PDF]
Cameron TA, De Lay NR.
europepmc +4 more sources
The rph-1-Encoded Truncated RNase PH Protein Inhibits RNase P Maturation of Pre-tRNAs with Short Leader Sequences in the Absence of RppH. [PDF]
Bowden KE+4 more
europepmc +4 more sources
Novel role for RNase PH in the degradation of structured RNA. [PDF]
Jain C.
europepmc +4 more sources
RNase PH: an Escherichia coli phosphate-dependent nuclease distinct from polynucleotide phosphorylase. [PDF]
Final trimming of the 3' terminus of tRNA precursors in Escherichia coli is thought to proceed by an exonucleolytic mechanism. However, mutant strains lacking as many as four exoribonucleases known to act on tRNA still grow normally and process tRNA ...
Murray P. Deutscher+2 more
openalex +2 more sources
Crystal Structure of the tRNA Processing Enzyme RNase PH from Aquifex aeolicus [PDF]
RNase PH is one of the exoribonucleases that catalyze the 3′ end processing of tRNA in bacteria. RNase PH removes nucleotides following the CCA sequence of tRNA precursors by phosphorolysis and generates mature tRNAs with amino acid acceptor activity. In
Ryohei Ishii+2 more
openalex +2 more sources
Degradation of ribosomal RNA during starvation: Comparison to quality control during steady-state growth and a role for RNase PH [PDF]
Ribosomal RNAs are generally stable in growing Escherichia coli cells. However, their degradation increases dramatically under conditions that lead to slow cell growth.
Georgeta N. Basturea+2 more
openalex +2 more sources
Mutational analysis of Arabidopsis chloroplast polynucleotide phosphorylase reveals roles for both RNase PH core domains in polyadenylation, RNA 3′‐end maturation and intron degradation [PDF]
Polynucleotide phosphorylase (PNPase) catalyzes RNA polymerization and 3'→5' phosphorolysis in vitro, but its roles in plant organelles are poorly understood.
Arnaud Germain+5 more
openalex +2 more sources
Probing the Functional Importance of the Hexameric Ring Structure of RNase PH [PDF]
RNase PH is a phosphate-dependent exoribonuclease that catalyzes the removal of nucleotides at the 3′ end of the tRNA precursor, leading to the release of nucleoside diphosphate, and generates the CCA end during the maturation process. The 1.9-Å crystal
Jung Min Choi+4 more
openalex +2 more sources
Sequence-specific RNA binding mediated by the RNase PH domain of components of the exosome [PDF]
We have previously demonstrated that PM-Scl-75, a component of the human exosome complex involved in RNA maturation and mRNA decay, can specifically interact with RNAs containing an AU-rich instability element.
John R. Anderson+5 more
openalex +2 more sources