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Mostrando 801 - 820 Resultados de 5,235 Para Buscar '"Operón"', tiempo de consulta: 0.28s Limitar resultados
  1. 801
    “…Using RNA-Seq technology, we identified a cortisol-inducible (∼1,000-fold) operon (desABCD) encoding at least one enzyme involved in anaerobic side-chain cleavage. …”
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    Clostridium scindens: a human gut microbe with a high potential to convert glucocorticoids into androgens
  2. 802
    “…The IscR-mediated regulation of the Pseudomonas aeruginosa isc operon, which is involved in iron-sulphur cluster ([Fe-S]) biogenesis, was analysed. …”
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    The Iron-Sulphur Cluster Biosynthesis Regulator IscR Contributes to Iron Homeostasis and Resistance to Oxidants in Pseudomonas aeruginosa
  3. 803
    “…Expression of the mer operon is under tight control by the dual-function transcriptional regulator MerR. …”
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    Structural basis of the mercury(II)-mediated conformational switching of the dual-function transcriptional regulator MerR
  4. 804
    “…The cyoABCD-1 operon was phylogenetically common to AAB genomes, whereas the cyoABCD-2 operon belonged to a lineage distinctive from the cyoABCD-1 operon. …”
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    Complete genome and gene expression analyses of Asaia bogorensis reveal unique responses to culture with mammalian cells as a potential opportunistic human pathogen
  5. 805
    por Ray, Sujay, Bagchi, Angshuman
    Publicado 2016
    “…Certain experimental evidences suggest that gamma-proteobacterial Acidothiobacillus thiooxidans; lacking the sulphur-oxidizing (sox) operon, has an alternative thiosulphate oxidation pathway. …”
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    Insights from the docked DoxDA Model with Thiosulphate
  6. 806
    “…It harbours two chromosomally located catechol meta pathways, one of which is structurally and phylogenetically very similar to the Pseudomonas sp. CF600 dmp operon and the other to the P. stutzeri AN10 nah lower operon. …”
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    Strategy of Pseudomonas pseudoalcaligenes C70 for effective degradation of phenol and salicylate
  7. 807
    “…Apart from the mecD operon, that shared 66% overall nucleotide identity with the mecB operon, McRI(mecD) islands were unrelated to any mecB-carrying elements or staphylococcal cassette chromosome mec. …”
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    Novel methicillin resistance gene mecD in clinical Macrococcus caseolyticus strains from bovine and canine sources
  8. 808
    “…T3P is genetically organized in three transcriptional units: the mrkABCDF polycistronic operon, the mrkHI bicistronic operon and the mrkJ gene. …”
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    Additional regulatory activities of MrkH for the transcriptional expression of the Klebsiella pneumoniae mrk genes: Antagonist of H-NS and repressor
  9. 809
    “…In vivo, the pseudopaline operon is regulated by zinc through the Zur repressor. …”
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    Pseudomonas aeruginosa zinc uptake in chelating environment is primarily mediated by the metallophore pseudopaline
  10. 810
    “…PCC 6803 relies on expression of the putative pilA9-pilA10-pilA11-slr2018 operon. In this study, we identified the antisense RNA PilR encoded in the noncoding strand of the prepilin-encoding gene pilA11. …”
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    The Small Regulatory Antisense RNA PilR Affects Pilus Formation and Cell Motility by Negatively Regulating pilA11 in Synechocystis sp. PCC 6803
  11. 811
    “…We compared the genomes of 157 mycobacterial species, representing all major branches of the mycobacterial phylogenetic tree to identify genes and operons enriched among rapid and slow growing mycobacteria. …”
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    Key Transitions in the Evolution of Rapid and Slow Growing Mycobacteria Identified by Comparative Genomics
  12. 812
    “…We show that the YajQ homologue, CdgL (c‐di‐GMP receptor interacting with LysR) affects expression of the HSAF biosynthesis operon by interacting with the transcription activator LysR. …”
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    A YajQ‐LysR‐like, cyclic di‐GMP‐dependent system regulating biosynthesis of an antifungal antibiotic in a crop‐protecting bacterium, Lysobacter enzymogenes
  13. 813
    “…Genes for its synthesis and export are encoded by the 12 kb ptx-ptl operon, which is under the control of the pertussis promoter, Pptx. …”
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    Multiple weak interactions between BvgA~P and ptx promoter DNA strongly activate transcription of pertussis toxin genes in Bordetella pertussis
  14. 814
    “…Here we show that the chromosomal virB operon, which encodes the structural genes of this T4SS in X. citri, is regulated by the conserved global regulator CsrA. …”
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    Bactericidal type IV secretion system homeostasis in Xanthomonas citri
  15. 815
    “…Of these populations, 21 had a mutation in the hslVU or rpoBC operon, suggesting that mutations in either operon could drive rescue. …”
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    Genetic Mutations That Drive Evolutionary Rescue to Lethal Temperature in Escherichia coli
  16. 816
    “…By combining the results of experimental evolution with genetics and transcriptomics, we show here that fitness costs of 2 divergent large plasmids in Pseudomonas fluorescens are caused by inducing maladaptive expression of a chromosomal tailocin toxin operon. Mutations in single genes unrelated to the toxin operon, and located on either the chromosome or the plasmid, ameliorated the disruption associated with plasmid carriage. …”
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    Plasmid fitness costs are caused by specific genetic conflicts enabling resolution by compensatory mutation
  17. 817
    “…Single-gene deletions can affect the expression levels of other genes in the same operon in bacterial genomes. Here, we used proteomics for 133 Escherichia coli gene deletion mutants and transcriptome sequencing (RNA-seq) data from 71 mutants to probe the extent of transcriptional and post-transcriptional effects of gene deletions in operons. …”
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    Transcriptional and Post-Transcriptional Polar Effects in Bacterial Gene Deletion Libraries
  18. 818
    “…Bioinformatics analysis allowed the identification of the BT1522–1526 operon putatively involved in IPC synthesis. Mutagenesis studies revealed that BT1522–1526 is essential for the synthesis of phosphatidylinositol (PI) and IPC, confirming the role of this operon in the biosynthesis of IPC. …”
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    Lipidomics Analysis of Outer Membrane Vesicles and Elucidation of the Inositol Phosphoceramide Biosynthetic Pathway in Bacteroides thetaiotaomicron
  19. 819
    “…We conclude that the paa operon is part of a regulatory network that responds to antibiotic and oxidative stress and is important for virulence. …”
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    The Phenylacetic Acid Catabolic Pathway Regulates Antibiotic and Oxidative Stress Responses in Acinetobacter
  20. 820
    “…Prototrophy suppressor mutations in a ppGpp-deficient strain restore the α-hemolysin expression from this operon to wild-type levels, confirming the requirement of ppGpp for its expression. ppGpp stimulates hlyCABD(II) expression independently of RpoS, RfaH, Zur, and H-NS. …”
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    ppGpp, the General Stress Response Alarmone, Is Required for the Expression of the α-Hemolysin Toxin in the Uropathogenic Escherichia coli Isolate, J96
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