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

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

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

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

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

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

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

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

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

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

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

'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

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

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

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