Mostrando 81 - 100 Resultados de 2,272 Para Buscar '"Sos"', tiempo de consulta: 0.11s Limitar resultados
  1. 81
    “…DNA polymerases of the Y-family, such as Escherichia coli UmuC and DinB, are specialized enzymes induced by the SOS response, which bypass lesions allowing the continuation of DNA replication. umuDC orthologs are absent in Caulobacter crescentus and other bacteria, raising the question about the existence of SOS mutagenesis in these organisms. …”
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  2. 82
  3. 83
    por Janion, Celina
    Publicado 2008
    “…Under normal growth conditions the SOS genes are expressed at a basal level, which increases distinctly upon induction of the SOS response. …”
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  4. 84
    “…We show that some of the Rec proteins implicated previously promote TLD via facilitating activation of the SOS response and that, of the roughly 40 proteins upregulated by SOS, SulA, an SOS–inducible inhibitor of cell division, accounts for most or all of how SOS causes TLD. …”
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  5. 85
    “…The eubacterial SOS system is a paradigm of cellular DNA damage and repair, and its activation can contribute to antibiotic resistance.1,2,3 Under normal conditions, LexA represses the transcription of many DNA repair proteins by binding to SOS “boxes” in their operators. …”
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  6. 86
    “…In this study, we cloned and identified three salt overly sensitive 2 (SOS2) genes in the woody plant Populus trichocarpa, designated as PtSOS2.1, PtSOS2.2, and PtSOS2.3, which were transformed into hybrid poplar clone T89 (Populus tremula× Populus tremuloides Michx clone T89) mediated by Agrobacterium tumefaciens. …”
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  7. 87
    “…The Escherichia coli SOS system is a well-established model for the cellular response to DNA damage. …”
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  8. 88
    “…Cytological analyses of mucilage indicates that heteromannans are associated with cellulose, and not in the pathway involving SOS5 or FEI2. A SOS5 fluorescent protein fusion (SOS5-mCITRINE) was localized throughout the mucilage pocket, consistent with a structural role in pectin adhesion. …”
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  9. 89
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  11. 91
    “…Neither Ethylene-Insensitive 2 (EIN2) nor EIN3 changed the expression patterns of SOS genes including SOS1, SOS2, SOS3 and SOS3-like Calcium Binding Protein 8 (SCaBP8), but SOS2 activated the expression of one target gene of EIN3, Ethylene and Salt-inducible ERF 1 (ESE1). …”
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  12. 92
    “…In Escherichia coli , this inducible system is termed the SOS response. The SOS global regulatory network consists of multiple factors promoting the integrity of DNA as well as error‐prone factors allowing for survival and continuous replication upon extensive DNA damage at the cost of elevated mutagenesis. …”
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  13. 93
    “…However, SOS1 mutations are rare in human malignancies and patients with germline SOS1 mutations may not be at increased risk of developing cancer. …”
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  15. 95
    “…The guanine nucleotide exchange factor Son of Sevenless (Sos) is the main Ras activator, but the role of the ubiquitously expressed Sos1 in the development of fibrosis has not been studied. …”
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  16. 96
    “…Lesions to DNA compromise chromosome integrity, posing a direct threat to cell survival. The bacterial SOS response is a widespread transcriptional regulatory mechanism to address DNA damage. …”
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  17. 97
    “…In Escherichia coli, sub-minimum inhibitory concentrations (sub-MICs) of the widely used fluoroquinolones are known to induce the SOS response. Interestingly, the expression of several PMQR qnr genes is controlled by the SOS master regulator, LexA. …”
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