News tagged with genetic element

Draft sequence of monarch butterfly genome presented

Each fall millions of monarch butterflies from across the eastern United States use a time-compensated sun compass to direct their navigation south, traveling up to 2,000 miles to an overwintering site in ...

Biology / Biotechnology

created Nov 23, 2011 | popularity not rated yet | comments 0

Genomic architecture presages genomic instability: study

When cells divide normally, DNA gets copied perfectly and distributed among the daughter cells with an even hand. Occasionally though, DNA breaks during division and is rearranged, resulting in duplications or deletions of ...

Medicine & Health / Genetics

created Oct 02, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Scientists find H1N1 flu virus prevalent in animals in Africa

(PhysOrg.com) -- UCLA life scientists and their colleagues have discovered the first evidence of the H1N1 virus in animals in Africa. In one village in northern Cameroon, a staggering 89 percent of the pigs ...

Biology / Cell & Microbiology

created Sep 23, 2011 | popularity 5 / 5 (1) | comments 4 | with audio podcast

Genetic differences may cause higher rates of prostate cancer in African-American men

Genetic differences in prostate cells seem to be a root cause of the prostate cancer disparities between African-American men and white men, according to findings presented at the Fourth AACR Conference on The Science of ...

Medicine & Health / Cancer

created Sep 20, 2011 | popularity not rated yet | comments 0

New method reveals parts of bacterium genome essential to life

A team at the Stanford University School of Medicine has cataloged, down to the letter, exactly what parts of the genetic code are essential for survival in one bacterial species, Caulobacter crescentus.

Biology / Cell & Microbiology

created Aug 30, 2011 | popularity 5 / 5 (1) | comments 1 | with audio podcast

B chromosomes affect sex determination in cichlid fishes

B chromosomes have a functional effect on sex determination in a species of cichlid fishes from Lake Victoria, according to a study by Japanese researchers to be published in open-access journal PLoS Genetics on August 18th, ...

Biology / Biotechnology

created Aug 18, 2011 | popularity 4 / 5 (1) | comments 0

DNA construction software saves time, resources and money

DNA construction, also known as DNA cloning or recombinant DNA technology - among a host of other terms - is one of the principal tools of modern biotechnology, used for a wide variety of purposes, including ...

Biology / Biotechnology

created Aug 16, 2011 | popularity 3 / 5 (1) | comments 1

New approach to link genome-wide association signals to biological function

Researchers have developed a new strategy to improve the outcome of genome-wide association (GWA) studies.

Medicine & Health / Genetics

created Jun 30, 2011 | popularity 5 / 5 (2) | comments 0

New approaches refine molecular imaging for detecting cancer metastasis

(PhysOrg.com) -- Researchers may be a step closer to improving the detection of metastatic tumors in an organism - in real time - using a non-invasive approach that pairs an imaging agent with a genetic element that only ...

Medicine & Health / Cancer

created Dec 16, 2010 | popularity not rated yet | comments 0 | with audio podcast

Researchers identify genetic elements influencing the risk of type 2 diabetes

A team led by researchers at the National Human Genome Research Institute (NHGRI), part of the National Institutes of Health, has captured the most comprehensive snapshot to date of DNA regions that regulate genes in human ...

Medicine & Health / Genetics

created Nov 02, 2010 | popularity not rated yet | comments 0 | with audio podcast

Finnish researcher wants DNA test on convicted psychopaths

A simple genetic test can help predict whether psychopaths convicted of violent crimes are prone to be repeat offenders, a Finnish researcher said Tuesday.

Medicine & Health / Psychology & Psychiatry

created Sep 21, 2010 | popularity 1.3 / 5 (3) | comments 6

Scientists identify key enzyme in microbial immune system

Imagine a war in which you are vastly outnumbered by an enemy that is utterly relentless - attacking you is all it does. The intro to another Terminator movie? No, just another day for microbes such as bacteria ...

Biology / Cell & Microbiology

created Sep 09, 2010 | popularity 5 / 5 (2) | comments 0 | with audio podcast

An sRNA controls a bacterium's social life

For the first time, biologists have directly shown how spontaneous mutation of a small RNA (sRNA) regulatory molecule can provide an evolutionary advantage. Reporting in this week's Science, Indiana University Bloomington scient ...

Biology / Cell & Microbiology

created May 20, 2010 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Cryo-electron microscope 'sees' atoms for first time

(PhysOrg.com) -- UCLA researchers report in the April 30 edition of the journal Cell that they have imaged a virus structure at a resolution high enough to effectively "see" atoms, the first published instan ...

Biology / Cell & Microbiology

created May 04, 2010 | popularity 3.3 / 5 (19) | comments 7

Scientists Map Genetic Regulatory Elements for the Heart

(PhysOrg.com) -- Scientists have devised a new computational model that can be used to reveal genetic regulatory elements responsible for development of the human heart and maintenance of its function.

Medicine & Health / Genetics

created Feb 18, 2010 | popularity not rated yet | comments 0