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Mostrando 781 - 800 Resultados de 5,235 Para Buscar '"Operón"', tiempo de consulta: 0.35s Limitar resultados
  1. 781
    “…We demonstrated that the nucleoid-associated proteins H-NS and Hha, and their respective paralogs StpA and YdgT, negatively regulate at pH 5.1 and pH 7.1 the transcription of the pef operon. Two promoters, PpefB and PpefA, direct the transcription of this operon. …”
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    H-NS is the major repressor of Salmonella Typhimurium Pef fimbriae expression
  2. 782
    “…In this study, molecular biological analyses revealed the roles of three transcriptional regulators BrpR, BrpT, and BrpS in the regulatory pathway for the cabABC operon. BrpR induces brpT and BrpT in turn activates the cabABC operon in a sequential cascade, contributing to development of robust biofilm structures. …”
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    A Regulatory Network Controls cabABC Expression Leading to Biofilm and Rugose Colony Development in Vibrio vulnificus
  3. 783
    “…One cluster harboured mostly non-CC17 isolates while two clusters were dominant for the vanA and vanB operons. CONCLUSION: The gradual increase in dominance of the respective van operon was observed in both the vanA and vanB dominant clusters suggesting a strain-van operon affinity. …”
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    A three-year whole genome sequencing perspective of Enterococcus faecium sepsis in Australia
  4. 784
    “…Here, we show that, contrary to the case in other Gammaproteobacteria, FruR acts as a transcriptional activator of the fru operon and is indispensable for the growth of Vibrio cholerae on fructose. …”
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    Vibrio cholerae FruR facilitates binding of RNA polymerase to the fru promoter in the presence of fructose 1-phosphate
  5. 785
    “…Escherichia coli C is a strong biofilm producer in comparison to E. coli K-12 laboratory strains due to higher expression of the pgaABCD operon encoding the enzymes for the biosynthesis of the extracellular polysaccharide poly-β-1,6-N-acetylglucosamine (PNAG). …”
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    Different csrA Expression Levels in C versus K-12 E. coli Strains Affect Biofilm Formation and Impact the Regulatory Mechanism Presided by the CsrB and CsrC Small RNAs
  6. 786
    “…Molecular study of ica operon revealed that 2 (6.3%) and 19 (59.4%) isolates carried icaA and icaD, respectively. …”
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    Biofilm formation and molecular analysis of intercellular adhesion gene cluster (icaABCD) among Staphylococcus aureus strains isolated from children with adenoiditis
  7. 787
    “…S. haemolitycus (isolate 95), and S. lugdunensis were unable to form biofilm and did not harbor the complete icaADBCR operon. High variability of adhesion genes was detected, with atl, ebp, icaADBC operon, and IS256 being the most common. …”
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    Comparative Phenotypic and Genomic Features of Staphylococci from Sonication Fluid of Orthopedic Implant-Associated Infections with Poor Outcome
  8. 788
    “…Whole‐genome sequencing revealed that all of these autotrophic transformants carried a variable number of tandem repeats (from 5 to 15) of chromosomal segments containing the psbEFLJ operon. RNA‐seq analysis showed greatly increased transcript levels of the psbEFLJ operon in these autotrophic transformants. …”
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    Tandem gene amplification restores photosystem II accumulation in cytochrome b (559) mutants of cyanobacteria
  9. 789
    por Wang, Y Z, Zhou, Y, Zylstra, G J
    Publicado 1995
    “…Analysis of the nucleotide sequence for the isophthalate degradation operon located genes for a dioxygenase, a transport protein, a cis-dihydrodiol dehydrogenase, and a reductase. …”
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    Molecular analysis of isophthalate and terephthalate degradation by Comamonas testosteroni YZW-D.
  10. 790
    “…The type III arginine catabolic mobile element (ACME) was detected in three Staphylococcus epidermidis oral isolates recovered from separate patients (one healthy, one healthy with dental implants, and one with periodontal disease) based on ACME-arc-operon- and ACME-opp3-operon-directed PCR. These isolates were subjected to whole-genome sequencing to characterize the precise structural organization of ACME III for the first time, which also revealed that all three isolates were the same sequence type, ST329.…”
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    First Detailed Genetic Characterization of the Structural Organization of Type III Arginine Catabolic Mobile Elements Harbored by Staphylococcus epidermidis by Using Whole-Genome Sequencing
  11. 791
    “…Sequencing the near-entire rrn operon of bacteria and archaea enables the use of the universally conserved operon holding evolutionary polymorphisms for taxonomic resolution. …”
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    RESCUE: a validated Nanopore pipeline to classify bacteria through long-read, 16S-ITS-23S rRNA sequencing
  12. 792
    “…As a result, we identified new regulon members, functioning in respiration, central metabolism (glycolysis, gluconeogenesis, pentose phosphate pathway, citrate cicle, metabolism of pyruvate and lactate), metabolism of carbohydrates and fatty acids, transcriptional regulation and transport, in particular: the ATP synthase operon atpIBEFHAGCD, Na(+)-exporting NADH dehydrogenase operon nqrABCDEF, the D-amino acids dehydrogenase operon dadAX. …”
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    Comparative genomic analysis of regulation of anaerobic respiration in ten genomes from three families of gamma-proteobacteria (Enterobacteriaceae, Pasteurellaceae, Vibrionaceae)
  13. 793
    “…AO22 contains a functional mer operon with all four essential genes (merRTPA) and shows >99% DNA sequence identity to that of Tn501. …”
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    A Tn5051-like mer-containing transposon identified in a heavy metal tolerant strain Achromobacter sp. AO22
  14. 794
    “…Furthermore, the P1 promoter of the sae operon, one of the targets of the SaeRS TCS, showed normal transcription activity. …”
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    Aureusimines in Staphylococcus aureus Are Not Involved in Virulence
  15. 795
    “…The organization of this operon allows for surprising levels of additional transcriptional control and flexibility. …”
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    The Evolution of the Phage Shock Protein Response System: Interplay between Protein Function, Genomic Organization, and System Function
  16. 796
    “…Frequently in gonococcal strains, the expression of the mtrCDE operon is differentially regulated by both a repressor, MtrR, and an activator, MtrA. …”
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    A Novel Mechanism of High-Level, Broad-Spectrum Antibiotic Resistance Caused by a Single Base Pair Change in Neisseria gonorrhoeae
  17. 797
    “…In particular, in A. marginale Tat functionality is conserved despite operon splitting as a consequence of genome rearrangements. …”
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    The Twin-Arginine Translocation Pathway in α-Proteobacteria Is Functionally Preserved Irrespective of Genomic and Regulatory Divergence
  18. 798
    “…Comparative analysis at nucleotide and protein levels suggest that a number of important phage related functions are missing in the e14 genome including parts of the early left operon, early right operon and late operon. The loss of these genes is the result of at least three major deletions that have occurred on e14 since its integration. …”
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    Analysis of the lambdoid prophage element e14 in the E. coli K-12 genome
  19. 799
    “…Pyrosequencing analysis showed that the nag2 operon was the key functional operon in naphthalene degradation in-situ, and shared homology with both nag operons in Ralstonia sp. …”
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    A Culture-Independent Approach to Unravel Uncultured Bacteria and Functional Genes in a Complex Microbial Community
  20. 800
    “…However, this 4-gene operon is only present in some Campylobacter isolates and other arsenic resistance mechanisms in C. jejuni have not been characterized. …”
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    The Contribution of ArsB to Arsenic Resistance in Campylobacter jejuni
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