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Hfq binding sRNA

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isrA Hfq binding RNA
Predicted secondary structure of isrA Hfq binding RNA
Identifiers
SymbolisrA
RfamRF01385
Other data
RNA typegene, sRNA
Domain(s)Enterobacteriaceae
PDB structuresPDBe
Hfq protein from S. aureus with a bound sRNA.

An Hfq binding sRNA is an sRNA that binds the bacterial RNA binding protein called Hfq. A number of bacterial small RNAs which have been shown to bind to Hfq have been characterised (see list). Many of these RNAs share a similar structure composed of three stem-loops. Several studies have expanded this list, and experimentally validated a total of 64 Hfq binding sRNA in Salmonella Typhimurium. A transcriptome wide study on Hfq binding sites in Salmonella mapped 126 Hfq binding sites within sRNAs. Genomic SELEX has been used to show that Hfq binding RNAs are enriched in the sequence motif 5′-AAYAAYAA-3′. Genome-wide study identified 40 candidate Hfq-dependent sRNAs in plant pathogen Erwinia amylovora. 12 of them were confirmed by Northern blot.

Bacterial Hfq binding sRNAs

References

  1. Zhang A, Wassarman KM, Rosenow C, Tjaden BC, Storz G, Gottesman S (2003). "Global analysis of small RNA and mRNA targets of Hfq". Mol. Microbiol. 50 (4): 1111–1124. doi:10.1046/j.1365-2958.2003.03734.x. PMID 14622403. S2CID 40056275.
  2. Pfeiffer V, Sittka A, Tomer R, Tedin K, Brinkmann V, Vogel J (December 2007). "A small non-coding RNA of the invasion gene island (SPI-1) represses outer membrane protein synthesis from the Salmonella core genome". Molecular Microbiology. 66 (5): 1174–1191. doi:10.1111/j.1365-2958.2007.05991.x. PMID 17971080.
  3. Sittka A, Lucchini S, Papenfort K, et al. (2008). Burkholder WF (ed.). "Deep Sequencing Analysis of Small Noncoding RNA and mRNA Targets of the Global Post-Transcriptional Regulator, Hfq". PLOS Genetics. 4 (8): e1000163. doi:10.1371/journal.pgen.1000163. PMC 2515195. PMID 18725932.
  4. ^ Padalon-Brauch G, Hershberg R, Elgrably-Weiss M, et al. (April 2008). "Small RNAs encoded within genetic islands of Salmonella typhimurium show host-induced expression and role in virulence". Nucleic Acids Research. 36 (6): 1913–1927. doi:10.1093/nar/gkn050. PMC 2330248. PMID 18267966.
  5. Holmqvist E, Wright PR, Li L, Bischler T, Barquist L, Reinhardt R, Backofen R, Vogel J (2016). "Global RNA recognition patterns of post-transcriptional regulators Hfq and CsrA revealed by UV crosslinking in vivo". EMBO J. 35 (9): 991–1011. doi:10.15252/embj.201593360. PMC 5207318. PMID 27044921.
  6. Lorenz C, Gesell T, Zimmermann B, Schoeberl U, Bilusic I, Rajkowitsch L, Waldsich C, von Haeseler A, Schroeder R (2010). "Genomic SELEX for Hfq-binding RNAs identifies genomic aptamers predominantly in antisense transcripts". Nucleic Acids Res. 38 (11): 3794–3808. doi:10.1093/nar/gkq032. PMC 2887942. PMID 20348540.
  7. Zeng, Quan; Sundin, George W. (2014-01-01). "Genome-wide identification of Hfq-regulated small RNAs in the fire blight pathogen Erwinia amylovora discovered small RNAs with virulence regulatory function". BMC Genomics. 15 (1): 414. doi:10.1186/1471-2164-15-414. ISSN 1471-2164. PMC 4070566. PMID 24885615.

Further reading

External links

Gallery of secondary structure images
  • isrA Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01385. isrA Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01385.
  • isrB Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01386. isrB Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01386.
  • isrC Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01387. isrC Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01387.
  • isrD Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01388. isrD Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01388.
  • isrF Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01389. isrF Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01389.
  • isrG Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01390. isrG Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01390.
  • isrH Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01391. isrH Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01391.
  • isrI Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01392. isrI Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01392.
  • isrJ Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01393. isrJ Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01393.
  • isrK Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01394. isrK Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01394.
  • isrL Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01395. isrL Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01395.
  • isrN Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01396. isrN Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01396.
  • isrO Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01397. isrO Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01397.
  • isrP Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01398. isrP Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01398.
  • isrQ Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01399. isrQ Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01399.
  • istR Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01400. istR Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01400.
  • rseX Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01401. rseX Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01401.
  • STnc150 Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01402. STnc150 Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01402.
  • STnc290 Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01403. STnc290 Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01403.
  • STnc440 Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01404. STnc440 Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01404.
  • STnc490k Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01405. STnc490k Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01405.
  • STnc500 Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01406. STnc500 Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01406.
  • STnc560 Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01407. STnc560 Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01407.
  • sraL Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01408. sraL Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01408.
  • STnc250 Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01409. STnc250 Hfq binding RNA: Predicted secondary structure taken from the Rfam database. Family RF01409.


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