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  • 1
    Publication Date: 2005-03-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Altman, Sidney -- Bassler, Bonnie L -- Beckwith, Jon -- Belfort, Marlene -- Berg, Howard C -- Bloom, Barry -- Brenchley, Jean E -- Campbell, Allan -- Collier, R John -- Connell, Nancy -- Cozzarelli, Nicholas R -- Craig, Nancy L -- Darst, Seth -- Ebright, Richard H -- Elledge, Stephen J -- Falkow, Stanley -- Galan, Jorge E -- Gottesman, Max -- Gourse, Richard -- Grindley, Nigel D F -- Gross, Carol A -- Grossman, Alan -- Hochschild, Ann -- Howe, Martha -- Hurwitz, Jerard -- Isberg, Ralph R -- Kaplan, Samuel -- Kornberg, Arthur -- Kustu, Sydney G -- Landick, Robert C -- Landy, Arthur -- Levy, Stuart B -- Losick, Richard -- Long, Sharon R -- Maloy, Stanley R -- Mekalanos, John J -- Neidhardt, Frederick C -- Pace, Norman R -- Ptashne, Mark -- Roberts, Jeffrey W -- Roth, John R -- Rothman-Denes, Lucia B -- Salyers, Abigail -- Schaechter, Moselio -- Shapiro, Lucy -- Silhavy, Thomas J -- Simon, Melvin I -- Walker, Graham -- Yanofsky, Charles -- Zinder, Norton -- New York, N.Y. -- Science. 2005 Mar 4;307(5714):1409-10.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15746409" target="_blank"〉PubMed〈/a〉
    Keywords: Biological Warfare ; *Biomedical Research/economics ; *Bioterrorism ; Financing, Government ; *Microbiology ; *National Institutes of Health (U.S.) ; Peer Review, Research ; Public Health ; *Research Support as Topic ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2013-05-21
    Description: In Gram-negative bacteria, outer-membrane integrity is essential for survival and is monitored by the sigma(E) stress-response system, which initiates damage-repair pathways. One activating signal is unassembled outer-membrane proteins. Using biochemical and genetic experiments in Escherichia coli, we found that off-pathway intermediates in lipopolysaccharide transport and assembly provided an additional required signal. These distinct signals, arising from disruptions in the transport and assembly of the major outer-membrane components, jointly determined the rate of proteolytic destruction of a negative regulator of the sigma(E) transcription factor, thereby modulating the expression of stress-response genes. This dual-signal system permits a rapid response to dysfunction in outer-membrane biogenesis, while buffering responses to transient fluctuations in individual components, and may represent a broad strategy for bacteria to monitor their interface with the environment.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3928677/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3928677/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lima, Santiago -- Guo, Monica S -- Chaba, Rachna -- Gross, Carol A -- Sauer, Robert T -- AI-084442/AI/NIAID NIH HHS/ -- AI-16892/AI/NIAID NIH HHS/ -- F32 AI084442/AI/NIAID NIH HHS/ -- GM-36278/GM/NIGMS NIH HHS/ -- R01 AI016892/AI/NIAID NIH HHS/ -- R01 GM036278/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2013 May 17;340(6134):837-41. doi: 10.1126/science.1235358.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23687042" target="_blank"〉PubMed〈/a〉
    Keywords: Bacterial Outer Membrane Proteins/*metabolism ; Biological Transport ; Carrier Proteins/metabolism ; Cell Membrane/*metabolism ; Escherichia coli/genetics/*metabolism ; Escherichia coli Proteins/metabolism ; Lipid A/metabolism ; Lipopolysaccharides/*metabolism ; Membrane Proteins/metabolism ; Proteolysis ; Sigma Factor/metabolism ; *Signal Transduction ; *Stress, Physiological ; Transcription Factors/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 2014-05-03
    Description: Transcription by RNA polymerase (RNAP) is interrupted by pauses that play diverse regulatory roles. Although individual pauses have been studied in vitro, the determinants of pauses in vivo and their distribution throughout the bacterial genome remain unknown. Using nascent transcript sequencing, we identified a 16-nucleotide consensus pause sequence in Escherichia coli that accounts for known regulatory pause sites as well as ~20,000 new in vivo pause sites. In vitro single-molecule and ensemble analyses demonstrate that these pauses result from RNAP-nucleic acid interactions that inhibit next-nucleotide addition. The consensus sequence also leads to pausing by RNAPs from diverse lineages and is enriched at translation start sites in both E. coli and Bacillus subtilis. Our results thus reveal a conserved mechanism unifying known and newly identified pause events.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4108260/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4108260/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Larson, Matthew H -- Mooney, Rachel A -- Peters, Jason M -- Windgassen, Tricia -- Nayak, Dhananjaya -- Gross, Carol A -- Block, Steven M -- Greenleaf, William J -- Landick, Robert -- Weissman, Jonathan S -- F32 GM100611/GM/NIGMS NIH HHS/ -- F32 GM108222/GM/NIGMS NIH HHS/ -- P50 GM102706/GM/NIGMS NIH HHS/ -- R01 GM038660/GM/NIGMS NIH HHS/ -- R01 GM102790/GM/NIGMS NIH HHS/ -- R37 GM057035/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2014 May 30;344(6187):1042-7. doi: 10.1126/science.1251871. Epub 2014 May 1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cellular and Molecular Pharmacology, Howard Hughes Medical Institute, California Institute for Quantitative Biosciences, Center for RNA Systems Biology, University of California, San Francisco, San Francisco, CA 94158, USA. ; Department of Biochemistry, University of Wisconsin, Madison, WI 53706, USA. ; Department of Microbiology and Immunology, University of California, San Francisco, San Francisco, CA 94158, USA. ; Department of Biological Sciences, Stanford University, Stanford, CA 94025, USA. Department of Applied Physics; Stanford University, Stanford, CA 94025, USA. ; Department of Genetics, Stanford University, Stanford, CA 94025, USA. wjg@stanford.edu landick@biochem.wisc.edu weissman@cmp.ucsf.edu. ; Department of Biochemistry, University of Wisconsin, Madison, WI 53706, USA. Department of Bacteriology, University of Wisconsin, Madison, WI 53706, USA. wjg@stanford.edu landick@biochem.wisc.edu weissman@cmp.ucsf.edu. ; Department of Cellular and Molecular Pharmacology, Howard Hughes Medical Institute, California Institute for Quantitative Biosciences, Center for RNA Systems Biology, University of California, San Francisco, San Francisco, CA 94158, USA. wjg@stanford.edu landick@biochem.wisc.edu weissman@cmp.ucsf.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24789973" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Codon, Initiator/*genetics ; Consensus Sequence ; DNA-Directed RNA Polymerases/metabolism ; Escherichia coli/*genetics/*metabolism ; *Gene Expression Regulation, Bacterial ; Peptide Chain Initiation, Translational/*genetics ; *Regulatory Elements, Transcriptional ; *Transcription, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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