News tagged with rna synthesis
Researchers solve structure of human protein critical for silencing genes
In a study published in the journal Cell on May 24, Cold Spring Harbor Laboratory (CSHL) scientists describe the three-dimensional atomic structure of a human protein bound to a piece of RNA that "guides" the pr ...
May 25, 2012 |
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Study of ribosome evolution challenges 'RNA World' hypothesis
In the beginning – of the ribosome, the cell's protein-building workbench – there were ribonucleic acids, the molecules we call RNA that today perform a host of vital functions in cells. And according ...
Mar 12, 2012 |
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Researchers discover molecular machinery for bacterial cell death
Researchers at the Hebrew University of Jerusalem and the University of Vienna have revealed for the first time a stress-induced machinery of protein synthesis that is involved in bringing about cell death in bacteria.
Nov 30, 2011 |
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Structure of a molecular copy machine: How mitochondrial genes are transcribed
Mitochondria are compartments within cells and have their own DNA. The key protein required for the expression of the genetic information in this DNA is the mitochondrial RNA polymerase enzyme. Its three-dimensional structure ...
Sep 26, 2011 |
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'Bifocals' in mangrove fish species discovered
(PhysOrg.com) -- A "four-eyed" fish that sees simultaneously above and below the water line has offered up a dramatic example of how gene expression allows organisms to adapt to their environment.
Jul 20, 2011 |
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New mechanism in the regulation of human genes
Scientists at the Technical University of Munich and the Helmholtz Zentrum Muenchen and along with their colleagues from the European Molecular Biology Laboratory (EMBL) in Heidelberg and the Centre for Genomic Regulation ...
Jul 14, 2011 |
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A lack of structure facilitates protein synthesis
Having an easily accessible starting point on messenger RNA increases protein formation, scientists from the Max Planck Institute of Molecular Plant Physiology in Potsdam have discovered.
Jun 28, 2011 |
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Atomic-scale structures of ribosome could help improve antibiotics
(PhysOrg.com) -- It sounds like hype from a late-night infomercial: It can twist and bend without breaking! And wait, there's more: It could someday help you fend off disease!
May 19, 2011 |
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'GPS system' for protein synthesis in nerve cells gives clues for understanding brain disorders
Scientists at the University of Pennsylvania explain how a class of RNA molecules is able to target the genetic building blocks that guide the functioning of a specific part of the nerve cell. Abnormalities at this site are ...
Medicine & Health / Neuroscience
Mar 09, 2011 |
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Stop and go: How the cell deals with transcriptional roadblocks
Gene transcription is central to cell function, as it converts the information stored in the DNA into RNA molecules of defined sequence, which then program protein synthesis. The enzyme RNA polymerase II (Pol II) is responsible ...
Feb 23, 2011 |
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Scientist uncovers switch controlling protein production
A scientist from the Florida campus of The Scripps Research Institute has discovered a molecular switch that controls the synthesis of ribosomes. Ribosomes are the large machineries inside all living cells that produce proteins, ...
Dec 22, 2010 |
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Nature study shows how molecules escape from the nucleus
By constructing a microscope apparatus that achieves resolution never before possible in living cells, researchers at Albert Einstein College of Medicine of Yeshiva University have illuminated the molecular ...
Sep 15, 2010 |
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A new role for insulin in cell survival, cell metabolism and stress response
Researchers at the Buck Institute for Age Research have discovered a novel way in which insulin affects cell metabolism and cell survival. Surprisingly the insulin signaling pathway, which is involved in aging, diabetes and ...
Medicine & Health / Medical research
Sep 07, 2010 |
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Microfluidic device allows collection, analysis of hard-to-handle immune cells
A team led by Massachusetts General Hospital (MGH) scientists has developed a new microfluidic tool for quickly and accurately isolating neutrophils - the most abundant type of white blood cell - from small blood samples, ...
Aug 30, 2010 |
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Cell biologist pinpoints how RNA viruses copy themselves
Nihal Altan-Bonnet, assistant professor of cell biology, Rutgers University in Newark, and her research team have made a significant new discovery about RNA (Ribonucleic acid) viruses and how they replicate themselves.
May 28, 2010 |
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