ArticleMicrobiologyOpen2019
Genome-wide screening of potential RNase Y-processed mRNAs in the M49 serotype Streptococcus pyogenes NZ131.
Article in MicrobiologyOpen, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 3 citations in OpenAlex.
- Dynamics of diversified A-to-I editing in Streptococcus pyogenes is governed by changes in mRNA stability.Nucleic acids research · 2024Article
- Genome-wide screening of potential RNase Y-processed mRNAs in the M49 serotype Streptococcus pyogenes NZ131.MicrobiologyOpen · 2019Article
- RNase Y-mediated regulation of the streptococcal pyrogenic exotoxin B.RNA biology · 2018Article
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
Abstract
RNase Y is a major endoribonuclease in Group A streptococcus (GAS) and other Gram-positive bacteria. Our previous study showed that RNase Y was involved in mRNA degradation and processing in GAS. We hypothesized that mRNA processing regulated the expression of important GAS virulence factors via altering their mRNA stabilities and that RNase Y mediated at least some of the mRNA-processing events. The aims of this study were to (1) identify mRNAs that were processed by RNase Y and (2) confirm the mRNA-processing events. The transcriptomes of Streptococcus pyogenes NZ131 wild type and its RNase Y mutant (Δrny) were examined with RNA-seq. The data were further analyzed to define GAS operons. The mRNA stabilities of the wild type and Δrny at subgene level were determined with tiling array analysis. Operons displaying segmental stability in the wild type but not in the Δrny were predicted to be RNase Y processed. Overall 865 operons were defined and their boundaries predicted. Further analysis narrowed down 15 mRNAs potentially processed by RNase Y. A selection of four candidates including folC1 (folylpolyglutamate synthetase), prtF (fibronectin-binding protein), speG (streptococcal exotoxin G), ropB (transcriptional regulator of speB), and ypaA (riboflavin transporter) mRNAs was examined with Northern blot analysis. However, only folC1 was confirmed to be processed, but it is unlikely that RNase Y is responsible. We conclude that GAS use RNase Y to selectively process mRNA, but the overall impact is confined to selected virulence factors.
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