News tagged with replication

Researchers demonstrate possible primitive mechanism of chemical info self-replication

(Phys.org) -- When scientists think about the replication of information in chemistry, they usually have in mind something akin to what happens in living organisms when DNA gets copied: a double-stranded molecule ...

Chemistry / Materials Science

created May 25, 2012 | popularity 4.7 / 5 (6) | comments 2 | with audio podcast

Self-replication process holds promise for production of new materials

New York University scientists have developed artificial structures that can self-replicate, a process that has the potential to yield new types of materials. The work, conducted by researchers in NYU's Departments of Chemistry ...

Chemistry / Materials Science

created Oct 12, 2011 | popularity 4.9 / 5 (8) | comments 8 | with audio podcast

A $1000 genome could be reached by 2013

(PhysOrg.com) -- A new report published in the journal Nature describes the new machine created by Jonathan Rothberg of Ion Torrent Systems which uses semiconductors to decode DNA and takes them one step c ...

Biology / Biotechnology

created Jul 21, 2011 | popularity 5 / 5 (14) | comments 2 | with audio podcast report

Scientists find a key to maintaining our DNA

DNA contains all of the genetic instructions that make us who we are, and maintaining the integrity of our DNA over the course of a lifetime is a critical, yet complex part of the aging process. In an important, albeit early ...

Chemistry / Biochemistry

created Mar 18, 2011 | popularity 4.9 / 5 (12) | comments 1 | with audio podcast

Scientists open electrical link to living cells

The Terminator. The Borg. The Six Million Dollar Man. Science fiction is ripe with biological beings armed with artificial capabilities. In reality, however, the clunky connections between living and non-living ...

Biology / Cell & Microbiology

created Oct 21, 2010 | popularity 5 / 5 (13) | comments 2 | with audio podcast

Insight into structure of HIV protein could aid drug design

Researchers at the University of Iowa Carver College of Medicine and University of Nebraska Medical Center (UNMC) have created a three-dimensional picture of an important protein that is involved in how HIV ...

Medicine & Health / HIV & AIDS

created Jun 09, 2010 | popularity 4.6 / 5 (5) | comments 0 | with audio podcast

Scientists identify mechanism T-cells use to block HIV

Scientists at Duke University Medical School and Mount Sinai School of Medicine have found a new role for a host protein that provides further insight into how CD8+ T cells work to control HIV and other infections. Study ...

Medicine & Health / HIV & AIDS

created May 17, 2010 | popularity 4.5 / 5 (8) | comments 0 | with audio podcast

Scientists crash test DNA's replication machinery

(PhysOrg.com) -- Important molecular machines routinely crash into one another while plying their trades on DNA. New research shows that the enzymes that copy DNA before cell division, called replisomes, are the kings of ...

Biology / Cell & Microbiology

created Feb 10, 2010 | popularity 5 / 5 (9) | comments 1 | with audio podcast

Social scientists build case for 'survival of the kindest'

(PhysOrg.com) -- Researchers at the University of California, Berkeley, are challenging long-held beliefs that human beings are wired to be selfish. In a wide range of studies, social scientists are amassing ...

Other Sciences / Social Sciences

created Dec 08, 2009 | popularity 4.1 / 5 (40) | comments 61

New study identifies how ebola virus avoids the immune system

(PhysOrg.com) -- Researchers at the University of Pennsylvania School of Medicine have likely found one reason why the Ebola virus is such a powerful, deadly, and effective virus. Using a cell culture model ...

Medicine & Health / Medical research

created Jan 27, 2009 | popularity 4.6 / 5 (12) | comments 1

Scientists develop first examples of RNA that replicates itself indefinitely

Now, a pair of Scripps Research Institute scientists has taken a significant step toward answering that question. The scientists have synthesized for the first time RNA enzymes that can replicate themselves without the help ...

Chemistry /

created Jan 09, 2009 | popularity 4.9 / 5 (14) | comments 24

Virus 'barcodes' offer rapid detection of mutated strains

Researchers at the University of Leeds are developing a way to 'barcode' viral diseases to rapidly test new outbreaks for potentially lethal mutations.

Biology / Cell & Microbiology

created May 13, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

DNA replication protein Cdt1 also has a role in mitosis, cancer

The foundation of biological inheritance is DNA replication – a tightly coordinated process in which DNA is simultaneously copied at hundreds of thousands of different sites across the genome. If that ...

Biology / Cell & Microbiology

created May 13, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

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

Study reveals how protein machinery binds and wraps DNA to start replication

(PhysOrg.com) -- Before any cell - healthy or cancerous - can divide, it has to replicate its DNA. So scientists who want to know how normal cells work - and perhaps how to stop abnormal ones - are keen to ...

Biology / Cell & Microbiology

created Mar 06, 2012 | popularity 5 / 5 (3) | comments 5 | with audio podcast