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Bacterial ribonuclease III (RNase III) is a highly conserved endonuclease, which plays pivotal roles in RNA maturation and decay pathways by cleaving double-stranded structure of RNAs. Here we cloned rncS gene from the genomic DNA of Brucella melitensis, and analyzed the cleavage properties of RNase III from Brucella. We identified Brucella-encoding small RNA (sRNA) by high-throughput sequencing and...
Tibetans adapt to high altitude environments through low blood hemoglobin concentrations. Previous work has identified that CYP17A1 and CYP2E1 genes exhibit evidence of local positive selection for this Tibetan high-altitude adaptation. Nevertheless, despite this apparent genetic advantage, some Tibetans still develop high altitude polycythemia (HAPC) yet the reasons for this remain unknown. We sought...
Exogenous wild-type p53 (wt-p53) tumor suppression increases the sensitivity of tumor cells to radiotherapy and chemotherapy. An iodized oil emulsion was used as a p53 vector for intra-arterial gene delivery to treat hepatic tumors. Whether the chemotherapeutic agent or the iodized oil affects exogenous wt-p53 activity remains poorly understood. In the present study, the early therapeutic response...
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