News tagged with dna synthesis

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

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

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

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

Researchers illuminate mechanisms that regulate DNA damage control and replication

Scientists at Burnham Institute for Medical Research (Burnham) have demonstrated important new roles for the protein kinase complex Cdc7/Dbf4 or Cdc7/Drf1 (Ddk) in monitoring damage control during DNA replication and reinitiating ...

Biology /

created Jan 05, 2009 | popularity 4 / 5 (2) | comments 0

'Birth control' for centrioles

Like DNA, centrioles need to duplicate only once per cell cycle. Rogers et al. uncover a long-sought mechanism that limits centriole copying, showing that it depends on the timely demolition of a protein that ...

Biology /

created Jan 26, 2009 | popularity 4 / 5 (2) | comments 0

Mice with disabled gene that helps turn carbs into fat stay lean despite feasting on high-carb diet

(PhysOrg.com) -- Researchers at the University of California, Berkeley, have identified a gene that plays a critical regulatory role in the process of converting dietary carbohydrates to fat. In a new study, ...

Biology / Cell & Microbiology

created Mar 19, 2009 | popularity 5 / 5 (1) | comments 0

DNA biosynthesis discovery could lead to better antibiotics

Combating several human pathogens, including some biological warfare agents, may one day become a bit easier thanks to research reported by a University of Iowa chemist and his colleagues in the April 16 issue ...

Biology / Cell & Microbiology

created Apr 16, 2009 | popularity 2.5 / 5 (2) | comments 0

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

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

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

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

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

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

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