News tagged with dna synthesis

Athletic frogs have faster-changing genomes

Physically fit frogs have faster-changing genomes, says a new study of poison frogs from Central and South America.

Biology / Evolution

created Apr 12, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Visualization of DNA synthesis in vivo

Researchers of the University of Zurich have discovered a new substance for labeling and visualization of DNA synthesis in whole animals. Applications for this technique include identifying the sites of virus ...

Chemistry / Biochemistry

created Dec 13, 2011 | popularity 5 / 5 (1) | comments 0

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 ...

Biology / Cell & Microbiology

created Sep 26, 2011 | popularity 5 / 5 (1) | comments 0

Discovery of DNA silencing mechanism reveals how plants protect their genome

(PhysOrg.com) -- Researchers at the RIKEN Plant Science Center (PSC) have clarified a key epigenetic mechanism by which an enzyme in the model plant Arabidopsis protects cells from harmful DNA elements. Published ...

Biology / Biotechnology

created May 12, 2011 | popularity 5 / 5 (2) | comments 0

Open-source software designed to minimize synthetic biology risks

A software package designed to minimize the potential risks of synthetic biology for the nation's defense and security is now available to the gene synthesis industry and synthetic biology community in an open-source format.

Biology / Biotechnology

created Mar 21, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Answers to a rare and tragic form of epilepsy

A new study offers critical insight into the biochemistry of a rare and fatal form of epilepsy known as Lafora disease, a genetic condition that typically strikes children in their teens. The disease is characterized ...

Medicine & Health / Medical research

created Mar 01, 2011 | popularity not rated yet | comments 0

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 ...

Biology / Cell & Microbiology

created Feb 23, 2011 | popularity not rated yet | comments 0 | with audio podcast

Method of DNA repair linked to higher likelihood of genetic mutation

Accurate transmission of genetic information requires the precise replication of DNA. Errors in DNA replication are common and nature has developed several cellular mechanisms for repairing these mistakes. ...

Medicine & Health / Genetics

created Feb 15, 2011 | popularity 5 / 5 (2) | comments 0

Paving the way for new single-molecule electrochemical switches

The degree of twisting of natural helical structures, such as the DNA double-helix, plays an essential role in many important biological functions. Because of their twisted architecture, artificial helices ...

Chemistry / Materials Science

created Jan 21, 2011 | popularity 5 / 5 (1) | comments 0

Select agents should be defined by DNA sequence in today's era of synthetic biology

A DNA sequence-based system to better define when a pathogen or toxin is subject to Select Agent regulations could be developed, says a new report from the National Research Council, which adds that this could be coupled ...

Biology / Biotechnology

created Aug 03, 2010 | popularity not rated yet | comments 0

iGEM team helps prevent rogue use of synthetic biology

A team of students from ENSIMAG, an engineering school in Grenoble, France, and Virginia Tech is using bioinformatics to implement federal guidance on synthetic genomics. The students' work will help gene synthesis companies ...

Biology / Biotechnology

created Jul 19, 2010 | popularity not rated yet | comments 0

When Good Cells Go Bad: Scientist Researchers Cellular Structure

(PhysOrg.com) -- While some biological research may not directly provide cures for major diseases, it can provide the scientific basis for research that might. Work by Kansas State University's Jeroen Roelofs is one such ...

Medicine & Health / Medical research

created Jul 13, 2010 | popularity 5 / 5 (1) | comments 1

DNA barcoding exposes fake ferns in international plant trade

DNA testing of garden ferns sold at plant nurseries in North Carolina, Texas, and California has found that plants marketed as American natives may actually be exotic species from other parts of the globe.

Biology / Biotechnology

created May 04, 2010 | popularity 5 / 5 (1) | comments 0

Researchers Reveal Structure of Key Genetic Proofreading Protein

(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, ...

Chemistry / Biochemistry

created Jun 05, 2009 | popularity 5 / 5 (2) | comments 0

Regulation of cell proliferation by the OGF-OGFr axis is dependent on nuclear localization signals

Researchers at The Pennsylvania State University College of Medicine, Hershey, Pennsylvania have discovered that the efficacy of the Opioid Growth Factor (OGF, [Met5]-enkephalin), a clinically important antitumor agent, is ...

Medicine & Health / Medical research

created Apr 23, 2009 | popularity 3 / 5 (1) | comments 0