Mostrando 21 - 40 Resultados de 734 Para Buscar '"Riboswitch"', tiempo de consulta: 0.34s Limitar resultados
  1. 21
    “…Guanine riboswitches negatively modulate transcription upon guanine binding. …”
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    Ligand recognition determinants of guanine riboswitches
  2. 22
    “…Using the adenine-sensing riboswitch aptamer as a model, we provide strong evidence for a rate-limiting folding step of the aptamer domain being modulated through ligand binding, a feature that is important for regulation of the controlled gene. …”
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    Single-molecule chemical denaturation of riboswitches
  3. 23
    “…Riboswitches are RNA sensors that regulate gene expression in response to binding of small molecules. …”
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    Boosting riboswitch efficiency by RNA amplification
  4. 24
    “…A set of 12 fluorogenic glycine riboswitches with different thermodynamic and kinetic response properties was engineered. …”
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    Engineering and characterization of fluorogenic glycine riboswitches
  5. 25
    “…Many bacteria control intracellular SAM concentrations using riboswitch-based mechanisms. A number of structurally different riboswitch families specifically bind to SAM and mainly regulate the transcription or the translation of SAM-biosynthetic enzymes. …”
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    The structure of the SAM/SAH-binding riboswitch
  6. 26
    “…Based on computer and thermodynamic analyses of 25 isolates of Salmonella enterica with complete genome, we have developed an algorithm and criteria to search for potential RNA thermometers, which will enable us to undertake a future search for potential riboswitches in the genomes of other socially significant pathogens. …”
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    Potential thermosensitive riboswitches in the genome of Salmonella
  7. 27
    “…However, by using multiple riboswitches or aptamer domains in tandem, these ligand-sensing structures can produce additional, complex gene control outcomes. …”
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    Architectures and complex functions of tandem riboswitches
  8. 28
    “…Many bacterial mRNAs are regulated at the transcriptional or translational level by ligand-binding elements called riboswitches. Although they both bind adenine, the adenine riboswitches of Bacillus subtilis and Vibrio vulnificus differ by controlling transcription and translation, respectively. …”
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    Comparative Study between Transcriptionally- and Translationally-Acting Adenine Riboswitches Reveals Key Differences in Riboswitch Regulatory Mechanisms
  9. 29
    “…Our results showed that this natural triple-tandem riboswitch controlled the expression of the reporter gene more stringently and digitally than the double-tandem or single riboswitch. …”
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    Characterization of a natural triple-tandem c-di-GMP riboswitch and application of the riboswitch-based dual-fluorescence reporter
  10. 30
    “…The RNAseq of affinity-captured cGAMP riboswitches from the Geobacter sulfurreducens transcriptome highlights general challenges that remain for this technique. …”
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    The Signaling Pathway That cGAMP Riboswitches Found: Analysis and Application of Riboswitches to Study cGAMP Signaling in Geobacter sulfurreducens
  11. 31
    “…We herein report the selection and characterization of a new riboswitch dependent on the aminoglycoside tobramycin. …”
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    Development of a novel tobramycin dependent riboswitch
  12. 32
    “…Riboswitches reflect a novel concept in gene regulation that is particularly suited for technological adaptation. …”
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    Thermodynamic characterization of an engineered tetracycline-binding riboswitch
  13. 33
    “…Regions downstream of identified riboswitches were scanned for open reading frames. Comparative analysis of identified ORFs revealed new riboswitch-regulated functions for several classes of riboswitches. …”
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    Abundance and functional diversity of riboswitches in microbial communities
  14. 34
    “…BACKGROUND: Riboswitches are noncoding RNA structures that appropriately regulate genes in response to changing cellular conditions. …”
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    The distributions, mechanisms, and structures of metabolite-binding riboswitches
  15. 35
    “…Riboswitches are part of noncoding regions of messenger RNA (mRNA) that act as RNA sensors regulating gene expression of the downstream gene. …”
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    Differences between cotranscriptional and free riboswitch folding
  16. 36
    por Batey, Robert T.
    Publicado 2015
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    Riboswitches: still a lot of undiscovered country
  17. 37
    “…Natural regulatory RNAs like riboswitches and RNA thermometers (RNAT) have considerable potential in synthetic biology. …”
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    Exploring the modular nature of riboswitches and RNA thermometers
  18. 38
    “…With cotranscriptional SHAPE-Seq, we determine how the B. cereus crcB fluoride riboswitch cotranscriptional folding pathway undergoes a ligand-dependent bifurcation that delays or promotes terminator formation via a series of coordinated structural transitions. …”
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    Cotranscriptional Folding of a Riboswitch at Nucleotide Resolution
  19. 39
    “…Riboswitches, which are located within certain noncoding RNA region perform functions as genetic “switches”, regulating when and where genes are expressed in response to certain ligands. …”
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    Computational Methods for Modeling Aptamers and Designing Riboswitches
  20. 40
    por Huang, Lin, Lilley, David M J
    Publicado 2018
    “…SAM-V is one of the class of riboswitches that bind S-adenosylmethione, regulating gene expression by controlling translation. …”
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    Structure and ligand binding of the SAM-V riboswitch
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