نتایج جستجو برای: sox 9
تعداد نتایج: 484897 فیلتر نتایج به سال:
The thermo-neutrophilic hydrogen-oxidizing bacterium Hydrogenobacter thermophilus constitutively oxidizes thiosulfate. Soluble extracts of it showed temperature-dependent thiosulfate oxidation activity with an optimum at 60 degrees C. A gene cluster for sox (sulfur oxidation) is presumably responsible for this activity. Among the cluster, two tandemly coded soxA genes were uniquely found. These...
Sox proteins belong to the superfamily of high mobility group (HMG) proteins. Sox3 is expressed predominantly in the immature neuroepithelium. Ectopic expression of Sox3 causes oncogenic transformation of chicken embryo fibroblasts (CEFs). The oncogenicity of Sox3 is correlated with nuclear localization and transcriptional regulatory activity; mutants containing deletions in the HMG box or the ...
Lytic infection by Kaposi's sarcoma-associated herpesvirus (KSHV) is associated with an extensive shutoff of host gene expression, mediated chiefly by accelerated mRNA turnover due to expression of the viral SOX protein. We have previously identified a small number of host mRNAs that can escape SOX-mediated degradation. Here we present a detailed, transcriptome-wide analysis of host shutoff, wi...
Sarbanes-Oxley (SOX) Act stipulates specific roles for the CEO, CFO, and the Auditor. However, the role of the Chief Information Officer (CIO), usually in charge of IT governance (ITG), is implicit. This is despite the fact that in many firms, accounting and financial information and reporting systems either incorporate or are embedded in sophisticated information systems. Through a discussion ...
Diversification of neuron classes is essential for functions of the olfactory system, but the underlying mechanisms that generate individual olfactory neuron types are only beginning to be understood. Here we describe a role of the highly conserved HMG-box transcription factor SOX-2 in postmitotic specification and alternative differentiation of the Caenorhabditis elegans AWC and AWB olfactory ...
The mammalian testis determining factor SRY and its related Sox factors are critical developmental regulators. They share significant similarity in their high mobility group (HMG) domain and display discrete patterns of tissue-specific expression. Here we show that SRY and the Sox protein SOX6 colocalize with splicing factors in the nucleus and are dynamically redistributed following the blocka...
Exposure tests were performed on low alloy steels in high Cl- and high SOx environment, and the structure of the rust were analyzed by TEM (Transmission Electron Microscopy) and Raman Spectroscopy. In the exposure test site, the concentrations of Cl- and SOx were found to be high, which caused the corrosion of the steels. The conventional weathering steel (SMA: 0.6% Cr-0.4% Cu-Fe) showed higher...
The Sarbanes-Oxley Act (SOX) mandates management evaluation and independent audits of internal control effectiveness. The mandate is costly to firms but may yield benefits through lower information risk that translates into lower cost of equity. We use unaudited pre-SOX 404 disclosures and SOX 404 audit opinions to assess how changes in internal control quality affect firm risk and cost of equi...
Bathymodiolus mussels live in symbiosis with intracellular sulfur-oxidizing (SOX) bacteria that provide them with nutrition. We sequenced the SOX symbiont genomes from two Bathymodiolus species. Comparison of these symbiont genomes with those of their closest relatives revealed that the symbionts have undergone genome rearrangements, and up to 35% of their genes may have been acquired by horizo...
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