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Skip to Search Results- 5Fliegel, Larry
- 5Sykes, Brian D.
- 4Chamot, Danuta
- 4Owttrim, George W.
- 3Li, Xiuju J.
- 3Owttrim, George W.
- 9Biological Sciences, Department of
- 9Biological Sciences, Department of/Journal Articles (Biological Sciences)
- 5Biochemistry, Department of
- 5Biochemistry, Department of/Journal Articles (Biochemistry)
- 3Agricultural, Food and Nutritional Science, Department of
- 3Agricultural, Food and Nutritional Science, Department of/Journal Articles (Agricultural, Food and Nutritional Science)
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1999
Owttrim, George W., Magee, Wendy C., Yu, Esther, Chamot, Danuta
The ability to modify RNA secondary structure is crucial for numerous cellular processes. We have characterized two RNA helicase genes, crhB and crhC, which are differentially expressed in the cyanobacterium Anabaena sp. strain PCC 7120. crhC transcription is limited specifically to cold shock...
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A LexA-related protein regulates redox-sensitive expression of the cyanobacterial RNA helicase, crhR
Download2006
Colvin, Kimberley R., Owttrim, George W. , Patterson-Fortin, Laura M.
Expression of the cyanobacterial DEAD-box RNA helicase, crhR , is regulated in response to conditions, which elicit reduction of the photosynthetic electron transport chain. A combination of electrophoretic mobility shift assay (EMSA), DNA affinity chromatography and mass spectrometry identified...
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Comparative analysis of two phenotypically-similar but genomically-distinct Burkholderia cenocepacia-specific bacteriophages
Download2012
Stothard, Paul, Dennis, Jonathan J., Lynch, Karlene H.
Background Genomic analysis of bacteriophages infecting the Burkholderia cepacia complex (BCC) is an important preliminary step in the development of a phage therapy protocol for these opportunistic pathogens. The objective of this study was to characterize KL1 (vBBceSKL1) and AH2 (vBBceSAH2),...
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Conditional, temperature-induced proteolytic regulation of cyanobacterial RNA helicase expression
Download2014
Owttrim, George W., Tarassova, Oxana S., Chamot, Danuta
Conditional proteolysis is a crucial process regulating the abundance of key regulatory proteins associated with the cell cycle, differentiation pathways, or cellular response to abiotic stress in eukaryotic and prokaryotic organisms. We provide evidence that conditional proteolysis is involved...
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Cyanobacterial RNA Helicase CrhR Localizes to the Thylakoid Membrane Region and Cosediments with Degradosome and Polysome Complexes in Synechocystis sptrain PCC 6803
Download2016
Fahlman, Richard P., Owttrim, George W. , Rosana, Albert R. R., Whitford, Denise S.
The cyanobacterium Synechocystis sp. strain PCC 6803 encodes a single DEAD box RNA helicase, CrhR, whose expression is tightly autoregulated in response to cold stress. Subcellular localization and proteomic analysis results indicate that CrhR localizes to both the cytoplasmic and thylakoid...
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Designed zinc finger proteins as novel therapeutics inhibiting the transcription of hepatitis B and duck hepatitis B viruses
DownloadFall 2010
The Hepatitis B virus (HBV) chronically infects 350 million individuals worldwide, leading to mortality by end-stage liver disease, liver cirrhosis, and hepatocellular carcinoma. The vaccine to prevent HBV infection is highly effective but is not extensively available in endemic areas, resulting...
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Divergent genes for translation inition factor elF-4A are coordinately expressed in tobacco
Download1991
Kuhlemeir, Cris, Holfmann, Sylvia, Owtrim, George W.
Three cDNA clones coding for eukaryotic translation initiation factor 4A, elF-4A, were isolated from a Nicotiana plumbaginifolia root cDNA library by heterologous screening. The clones comprise two distinct gene classes as two clones are highly similar while the third is divergent. The genes...
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1992
Forsyth, George W., Romancyia, D. A., Uwiera, Richard R. E., Wong, Jonathan P.
The B subunit of cholera toxin has been covalently attached to the surface of Uposomes made from a mixture of phosphatidylethanolamine, phosphati- dylcholine and cholesterol. Adenylate cydase inhibitors and chloride conduc- tance inhibitors were encapsulated within the liposomes. These...
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Oxidative stress mediates estrogen receptor independent killing and contributes to tamoxifen resistance
Download2016
Godbout, Roseline, Brindley, David N., McMullen, Todd, Mackey, John R., Benesch, Matthew, Mi, Si, Venkatraman, Ganesh, Liu, Rong-Zong, Curtis, Jonathan M., Tang, Xiaoyun, Bekele, Raie T.
Tamoxifen is the accepted therapy for patients with estrogen receptor-α (ERα)-positive breast cancer. However, clinical resistance to tamoxifen, as demonstrated by recurrence or progression on therapy, is frequent and precedes death from metastases. To improve breast cancer treatment it is vital...
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2017-01-01
Carvalho, Wildemar S. P., Wei, Menglian, Ikpo, Nduka, Gao, Yongfeng, Serpe, Michael J.
Reports in the literature on the development of new chemical sensing technologies have been growing steadily in number for years. For example, a Web of Science topic search using the term “Chemical Sensing” revealed that over 8 000 papers were published in 2015–2017, with over 40 000 citations to...