News tagged with rna sequences

Enzyme corrects more than one million faults in DNA replication

Scientists from the Medical Research Council (MRC) Institute of Genetics and Molecular Medicine (IGMM) at the University of Edinburgh have discovered an enzyme that corrects the most common mistake in mammalian DNA.

Biology / Cell & Microbiology

created May 10, 2012 | popularity 4.9 / 5 (16) | comments 1 | with audio podcast

Physics of gene transcription unveiled

(PhysOrg.com) -- A research team has made precise measurements of where and how RNA polymerase encounters obstacles while it reads nucleosomal DNA.

Biology / Cell & Microbiology

created May 14, 2010 | popularity 5 / 5 (12) | comments 2 | with audio podcast

Newly explored bacteria reveal some huge RNA surprises

(PhysOrg.com) -- Yale University researchers have found very large RNA structures within previously unstudied bacteria that appear crucial to basic biological functions such as helping viruses infect cells ...

Biology / Cell & Microbiology

created Dec 02, 2009 | popularity 4.9 / 5 (12) | comments 1

Study identifies proteins that modulate life span in worms

Researchers at the Stanford University School of Medicine have identified a new group of proteins involved in determining the life span of laboratory roundworms. Blocking the expression of one member of the group can extend ...

Biology / Biotechnology

created Jun 16, 2010 | popularity 5 / 5 (11) | comments 1 | with audio podcast

The language of RNA decoded: Study reveals new function for pseudogenes and noncoding RNAs

The central dogma of molecular biology, as proposed in 1970 by Francis Crick and James Watson, holds that genetic information is transferred from DNA to functional proteins by way of messenger RNA (mRNA). This suggests that ...

Medicine & Health / Medical research

created Jun 23, 2010 | popularity 5 / 5 (11) | comments 0 | with audio podcast

MS study suggests key role of environmental factor in the disease

Scientists are reporting what they say is compelling evidence that some powerful non-heritable, environmental factor likely plays a key role in the development of multiple sclerosis.

Medicine & Health / Medical research

created Apr 28, 2010 | popularity 5 / 5 (7) | comments 2 | with audio podcast

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

Researchers develop new way to see single RNA molecules inside living cells

Biomedical engineers have developed a new type of probe that allows them to visualize single ribonucleic acid (RNA) molecules within live cells more easily than existing methods. The tool will help scientists ...

Chemistry / Biochemistry

created Apr 06, 2009 | popularity 4.6 / 5 (5) | comments 0

Scientists observe single gene activity in living cells

Researchers at Albert Einstein College of Medicine of Yeshiva University have for the first time observed the activity of a single gene in living cells. In an unprecedented study, published in the April 22 online edition ...

Biology / Biotechnology

created Apr 21, 2011 | popularity 4.2 / 5 (5) | comments 0 | with audio podcast

Researchers study signaling networks that set up genetic code

(PhysOrg.com) -- In a new study, researchers at the University of Illinois have identified and visualized the signaling pathways in protein-RNA complexes that help set the genetic code in all organisms. The ...

Chemistry / Biochemistry

created Apr 14, 2009 | popularity 5 / 5 (4) | comments 1

New study examines how bacteria acquire immunity

In a new study this week, Rice University scientists bring the latest tools of computational biology to bear in examining how the processes of natural selection and evolution influence the way bacteria acquire immunity from ...

Biology / Cell & Microbiology

created Sep 15, 2010 | popularity 5 / 5 (4) | comments 0 | with audio podcast

New level of genetic diversity in human RNA sequences uncovered

A detailed comparison of DNA and RNA in human cells has uncovered a surprising number of cases where the corresponding sequences are not, as has long been assumed, identical. The RNA-DNA differences generate proteins that ...

Biology / Biotechnology

created May 19, 2011 | popularity 5 / 5 (4) | comments 2 | 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

Research uncovers new exception to decades-old rule about RNA splicing

There are always exceptions to a rule, even one that has prevailed for more than three decades, as demonstrated by a Cold Spring Harbor Laboratory (CSHL) study on RNA splicing, a cellular editing process. The rule-flaunting ...

Biology / Biotechnology

created May 17, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Bacteria from hot springs reveal clues to evolution of early life and to unlock biofuels' potential

A bacteria that lives in hot springs in Japan may help solve one of the mysteries of the early evolution of complex organisms, according to a study publishing next week in PLoS Biology. It may also be the key to 21st centur ...

Biology / Cell & Microbiology

created Jun 08, 2010 | popularity 3.8 / 5 (5) | comments 2 | with audio podcast