News tagged with rna biology

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 ...

Biology / Cell & Microbiology

created May 25, 2012 | popularity 4.8 / 5 (8) | comments 0 | with audio podcast

Copy of the genetic makeup travels in a protein suitcase

Scientists from the Institute for Physical and Theoretical Chemistry at the University of Bonn have succeeded for the first time in the real time filming of the transport of an important information carrier in biological ...

Biology / Cell & Microbiology

created May 25, 2012 | popularity not rated yet | comments 0 | with audio podcast

Real-time monitoring of RNA splicing in living cells moves step closer with novel fluorescent probe

Numerous biological processes depend on molecules called lariat RNAs (LaRNAs). These lasso-shaped structures form in the cell during RNA splicing. During this process, transcribed RNA strands convert to messenger ...

Chemistry / Biochemistry

created May 24, 2012 | popularity not rated yet | comments 0

Cells on the move

Cells on the move reach forward with lamellipodia and filopodia, cytoplasmic sheets and rods supported by branched networks or tight bundles of actin filaments. Cells without functional lamellipodia are still ...

Biology / Cell & Microbiology

created Apr 09, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

To get the full story you need to know the motifs

Genome sequencing alone provides researchers with only limited information on the organism works because it neither reveals how the system is regulated nor does it indicate the role of each specific DNA sequence or RNA transcript. ...

Biology / Biotechnology

created Mar 26, 2012 | popularity not rated yet | comments 0

Biologists offer clearer picture of how protein machine systems tweak gene expression

Indiana University biologists have found that specific types of RNA polymerase enzymes, the molecular machines that convert DNA into RNA, can differ in function based on variation in the parts -- in this case ...

Biology / Biotechnology

created Mar 01, 2012 | popularity not rated yet | comments 0 | with audio podcast

Scientists create potent molecules aimed at treating muscular dystrophy

While RNA is an appealing drug target, small molecules that can actually affect its function have rarely been found. But now scientists from the Florida campus of The Scripps Research Institute have for the first time designed ...

Chemistry / Biochemistry

created Feb 22, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Circular RNAs more common than previously thought

In the classical model of gene expression, the genetic script encoded in our genomes is expressed in each cell in the form of RNA molecules, each consisting of a linear string of chemical "bases". It may be time to revise ...

Biology / Cell & Microbiology

created Feb 01, 2012 | popularity 5 / 5 (1) | comments 1

Gold nanorods could improve radiation therapy of head and neck cancer

Radiation therapy is an important part of head and neck cancer therapy, but most head and neck tumors have a built-in mechanism that makes them resistant to radiation. As a result, oncologists have to deliver huge doses of ...

Nanotechnology / Bio & Medicine

created Jan 20, 2012 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Scientists create novel RNA repair technology

Scientists from the Florida campus of The Scripps Research Institute have identified a compound that can help repair a specific type of defect in RNA, a type of genetic material. The methods in the new study could accelerate ...

Chemistry / Biochemistry

created Jan 18, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Study uncovers how DNA unfolds for transcription

(PhysOrg.com) -- The human genome contains some 3 billion base pairs that are tightly compacted into the nucleus of each cell. If a DNA strand were the thickness of a human hair, the entire human genome would ...

Biology / Cell & Microbiology

created Jan 17, 2012 | popularity 5 / 5 (4) | comments 5 | with audio podcast

NanoCAGE reveals transcriptional landscape of the mouse main olfactory epithelium

The problem in biology of how to identify the promoters of olfactory receptor genes (>1000 genes) has remained unsolved due to the difficulty of purifying sufficient material from the olfactory epithelium. ...

Biology / Biotechnology

created Jan 05, 2012 | popularity not rated yet | comments 0

Built-in 'self-destruct timer' causes ultimate death of messenger RNA in cells

Researchers at Albert Einstein College of Medicine of Yeshiva University have discovered the first known mechanism by which cells control the survival of messenger RNA (mRNA) -- arguably biology's most important molecule. ...

Biology / Cell & Microbiology

created Dec 22, 2011 | popularity 5 / 5 (5) | comments 1 | with audio podcast

Just the two of us: Stable dinucleotide-RNA duplexes show promise in biotechnology

(PhysOrg.com) -- Nucleic acid technology has revolutionized the field of biomedicine, as it can be effectively utilized in the diagnosis, treatment, and prevention of genetic diseases The efficacy of most ...

Chemistry / Biochemistry

created Nov 23, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

A better way to count molecules discovered

(PhysOrg.com) -- Researchers at the Swedish medical university Karolinska Institutet have developed a new method for counting molecules. Quantifying the amounts of different kinds of RNA and DNA molecules is a fundamental ...

Biology / Cell & Microbiology

created Nov 21, 2011 | popularity not rated yet | comments 0 | with audio podcast