News tagged with ribosomal rna

Research reveals novel transport mechanism for large ribonucleoproteins

The movement of genetic materials, such as RNA and ribosomes, from the nucleus to the cytoplasm is a critical component in a cell's ability to make the proteins necessary for essential biological functions. Until now, it ...

Biology / Cell & Microbiology

created May 10, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

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!

Chemistry / Biochemistry

created May 19, 2011 | popularity 5 / 5 (4) | comments 1 | with audio podcast

Study reveals how ribosomes override their blockades

Ribosomes are "protein factories" in the cells of all living things. They produce proteins based on existing genetic codes stored on special nucleic acid molecules. These molecules, also called messenger RNA (mRNA) due to ...

Biology / Cell & Microbiology

created May 14, 2012 | popularity 5 / 5 (1) | comments 0

Scientists solve long-standing mystery of protein 'quality control' mechanism

Scientists from The Scripps Research Institute have solved a long-standing mystery of how cells conduct "quality control" to eliminate the toxic effects of a certain kind of error in protein production. The findings may lead ...

Biology / Cell & Microbiology

created Sep 12, 2010 | popularity 4.5 / 5 (8) | comments 3 | with audio podcast

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 ...

Biology / Cell & Microbiology

created Mar 12, 2012 | popularity 4.9 / 5 (9) | comments 5 | with audio podcast

Scientists expand knowledge of cell process involved in many diseases

As part of a joint research effort with the University of Michigan, scientists from the Florida campus of The Scripps Research Institute have for the first time defined the structure of one of the cell's most basic engines, ...

Biology / Cell & Microbiology

created Aug 16, 2011 | popularity 3 / 5 (2) | comments 0 | with audio podcast

Biologists uncover a novel cellular proofreading mechanism

(PhysOrg.com) -- To make proteins, cells assemble long chains of amino acids, based on genetic instructions from DNA. That construction takes place in a tiny cellular structure called a ribosome, to which amino acids are ...

Biology / Cell & Microbiology

created Nov 11, 2011 | popularity 4.8 / 5 (5) | comments 0 | with audio podcast

From gene to protein: Gene expression quantification offers new insights

How do genes control us? This fundamental question of life still remains elusive despite decades of research. Genes are blueprints for proteins, but it is the proteins that actually carry out vital functions in the body for ...

Biology / Biotechnology

created May 18, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Nature's quality control in yeast

(PhysOrg.com) -- Scientists know that in yeast cells, as in other cells, it’s the job of ribosomes to make proteins out of amino acids using information coded in the messenger RNA (mRNA).

Biology / Cell & Microbiology

created Aug 30, 2010 | popularity not rated yet | comments 0 | with audio podcast

Study Reveals Unexpected Ancient Cellular Structure

(PhysOrg.com) -- Scientists at North Carolina State University have effectively lifted the veil from the structure of an ancient and important RNA-protein complex essential for the biosynthesis and function of the ribosome, ...

Biology / Cell & Microbiology

created Sep 10, 2009 | popularity 5 / 5 (3) | comments 0

Genomic study yields plausible cause of colony collapse disorder

Researchers report this week that they have found a surprising but reliable marker of colony collapse disorder, a baffling malady that in 2007-2008 killed off more than a third of commercial honey bees in ...

Biology / Plants & Animals

created Aug 24, 2009 | popularity 5 / 5 (4) | comments 2

Extremophile Yields a Key Cog in Life's Protein Factory

(PhysOrg.com) -- Peering at single molecules within an organism that makes its home near thermal vents, Yale University scientists have discovered the structure of a key player in the creation of protein-making ...

Chemistry / Biochemistry

created Sep 10, 2009 | popularity 4.5 / 5 (2) | comments 0

Researchers uncover new mechanistic insight into mRNA biogenesis and export

A team of EU-funded Spanish and Polish researchers have revealed the structure of a protein complex that is essential for messenger RNA (mRNA) biogenesis and export. Writing in the European Molecular Biology ...

Biology / Biotechnology

created Mar 19, 2012 | popularity 5 / 5 (1) | comments 0

Scientists make fundamental discovery about how gene expression functions in bacteria

Researchers from NYU Langone Medical Center have discovered and characterized a general mechanism that controls transcription elongation in bacteria. The mechanism, described in the April 23 issue of Science, relies on phy ...

Biology / Biotechnology

created Apr 22, 2010 | popularity 4 / 5 (2) | comments 0 | with audio podcast

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, ...

Biology / Cell & Microbiology

created Dec 22, 2010 | popularity 5 / 5 (2) | comments 0 | with audio podcast