RNA polymerase
hideRNA polymerase (RNAP or RNApol) is an enzyme that produces RNA. In cells, RNAP is needed for constructing RNA chains from DNA genes as templates, a process called transcription. RNA polymerase enzymes are essential to life and are found in all organisms and many viruses. In chemical terms, RNAP is a nucleotidyl transferase that polymerizes ribonucleotides at the 3' end of an RNA transcript.
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News tagged with rna polymerase
How RNA polymerase II gets the go-ahead for gene transcription
Oct 09, 2009 |
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All cells perform certain basic functions. Each must selectively transcribe parts of the DNA that makes up its genome into RNAs that specify the structure of proteins. The set of proteins synthesized by a cell in turn determines ...
Gene transcribing machine takes halting, backsliding trip along the DNA
Jul 30, 2009 |
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(PhysOrg.com) -- The body's nanomachines that read our genes don't run as smoothly as previously thought, according to a new study by University of California, Berkeley, scientists.
One secret to how TB sticks with you
Jul 09, 2009 |
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Mycobacterium tuberculosis is arguably the world's most successful infectious agent because it knows how to avoid elimination by slowing its own growth to a crawl. Now, a report in the July 10 issue of the journal Cell, ...
Molecular typesetting -- proofreading without a proofreader
Jun 23, 2009 |
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Researchers at the Universities of Leeds and Bristol (UK) have developed a model of how errors are corrected whilst proteins are being built.
TRAPping proteins that work together inside living cells
Jun 15, 2009 |
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DNA might be the blueprint for living things, but proteins are the builders. Researchers trying to understand how and which proteins work together have developed a new crosslinking tool that is small and unobtrusive ...
Researchers Reveal Structure of Key Genetic Proofreading Protein
Jun 05, 2009 |
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(PhysOrg.com) -- Nature might abhor a vacuum, but it loves a backup plan. In living organisms, physiological systems are kept under tight control by hierarchies of organic safety catches and emergency releases, ...
Bacteria are models of efficiency
Biology /
Feb 04, 2009 |
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The bacterium Escherichia coli, one of the best-studied single-celled organisms around, is a master of industrial efficiency. This bacterium can be thought of as a factory with just one product: itself. It exists to make c ...


